Yuk, kenal lebih dekat tentang gas ideal! Apa itu gas ideal? Seperti apa sifat-sifat dan persamaannya? Pelajari selengkapnya dalam artikel Fisika kelas 11 berikut, ya!
—
Teman-teman, pernah nggak mendengar istilah gas sejati dan gas ideal?
Gas sejati adalah gas nyata yang ada di sekitar kita. Contohnya, gas yang kita hirup, gas yang keluar dari kendaraan bermotor, dan sebagainya. Gas sejati memiliki sifat dan interaksi yang sangat kompleks.
Sementara itu, gas ideal adalah gas teoretik yang digunakan untuk mempelajari perilaku gas. Karena gas sejati bersifat kompleks, maka susah bagi kita untuk mempelajari perilakunya.
Oleh karena itu, gas sejati ini disederhanakan menjadi gas ideal. Karena telah disederhanakan, gas ideal pun memiliki sifat dan interaksi yang lebih sederhana dibandingkan gas sejati. Jadi, sederhananya, gas ideal adalah model untuk perhitungan perilaku gas sejati atau gas nyata.
Sifat-Sifat Gas Ideal
Salah satu sifat pada gas ideal adalah partikel-partikelnya tidak memiliki volume dan gaya antar partikelnya diabaikan, kecuali tumbukan.
Gas-gas nyata, seperti gas O2, H2, CO2, dan gas lainnya, dapat mendekati sifat gas ideal ketika berada pada temperatur tinggi dan bertekanan rendah.
Sifat lain yang dimiliki gas ideal, yakni jarak antarmolekulnya sangat jauh jika dibandingkan dengan ukuran molekulnya sendiri. Selain itu, partikel gas ideal bergerak dengan acak dan bertumbukan lenting sempurna, baik dengan dinding wadah gas atau dengan partikel gas lainnya.
Baca Juga: Pengertian, Penerapan, Rumus, dan Contoh Soal Kapilaritas
Konsep Mol pada Gas Ideal
Untuk menyatakan banyaknya zat pada gas ini, digunakan sebuah besaran yang kita sebut sebagai jumlah zat dengan satuan standar internasionalnya adalah mol. Dalam 1 mol zat sendiri terdapat 6,022 × 1023 partikel yang terkandung di dalamnya.
Contoh Soal!
Pada suhu dan tekanan massa dari 1 liter gas A adalah seperempat dari massa 1 liter gas SO3. Tentukan massa molekul relatif gas A tersebut! (Ar O = 16, S = 32)
Pembahasan:
Sebelum mencari massa molekul relatif gas A, kita cari dulu massa molekul relatif gas SO3.
Mr SO3 = (1 × Ar S) + (3 × Ar O)
Mr SO3 = (1 × 32) + (3 × 16)
Mr SO3 = 80
Nah, diketahui pada soal kalau massa 1 liter gas A adalah ¼ dari massa 1 liter gas SO3, sehingga:
Massa A = ¼ Massa SO3
mol × Mr A = ¼ × mol × Mr SO3
Jadi, massa molekul relatif gas A yaitu 20 kg/mol.
Hukum dan Persamaan Gas Ideal
Pada teori kinetik gas, keadaan gas diuji oleh beberapa ilmuwan dan menghasilkan beberapa temuan sebagai berikut:
1. Hukum Boyle
Hukum Boyle menyatakan bahwa tekanan gas berbanding terbalik dengan volume gas, saat temperatur dan jumlah zat gas dijaga tetap konstan. Secara matematis, hal tersebut dapat dituliskan seperti berikut:
Atau dalam bentuk lain, bisa dituliskan seperti berikut:
PV = konstan
Sehingga, untuk persamaan perbandingan keadaan gas sesuai hukum Boyle, bisa dituliskan seperti berikut:
Contoh Soal:
Diketahui pada awalnya, jumlah suatu gas ideal memiliki tekanan sejumlah P dan volume sejumlah V. Kemudian, tekanan gas tersebut berubah menjadi 4 kali tekanan awal. Berapakah volume gas tersebut sekarang?
Pembahasan:
P1 . V1 = P2 . V2
P2 = 4P1 , sehingga
P1 . V1 = 4P1 . V2
V1 = 4V2
V2 = ¼ V1
Jadi, volume gas tersebut sekarang menjadi ¼ volume gas awal.
2. Hukum Charles
Hukum Charles, menyatakan bahwa temperatur mutlak dan volume gas akan berbanding lurus saat tekanan dan jumlah zatnya dijaga tetap. Secara matematis, hal tersebut bisa dituliskan seperti ini:
V ∝ T
Dalam bentuk lain, bisa juga dituliskan seperti ini:
Sehingga, hubungan keadaan awal dan keadaan akhirnya, bisa ditulis seperti rumus berikut ini:
Contoh Soal:
Diketahui sebuah gas ideal memiliki volume awal sebesar ½V, dengan volume akhir sebesar 2V. Sementara itu, gas tersebut memiliki suhu sebesar T. Berapakah besar suhu akhir dari gas tersebut?
Pembahasan:
V1 = ½V
V2 = 2V
T1 = T
Ditanya: T2 …?
V1 / T1 = V2 / T2
½V / T = 2V / T2
T2 = 4T
Jadi, suhu akhir gas tersebut adalah sebesar 4 kali dari suhu awal.
3. Hukum Gay-Lussac
Hukum Gay-Lussac menyatakan bahwa tekanan pada gas berbanding lurus dengan temperatur mutlaknya, saat gas dijaga dalam volume dan jumlah zat yang tetap. Secara matematis, hal tersebut dapat dituliskan seperti ini:
P ∝ T
Dalam bentuk lain, bisa dituliskan juga seperti ini:
Kemudian, untuk perbandingan keadaan awal dan keadaan akhirnya, bisa dituliskan seperti pada rumus berikut:
Nah, hubungan ketiga besaran makroskopik tersebut, yang terdiri atas tekanan (P), volume (V), dan temperatur (T), bisa dinyatakan dalam hukum gabungan gas ideal, di mana syaratnya adalah jumlah zat harus dalam keadaan konstan.
Secara matematis, hal tersebut dapat dituliskan seperti rumus berikut:
Untuk persamaan keadaan awal dan akhirnya dapat ditulis dengan rumus seperti berikut:
Contoh Soal:
Diketahui sebuah gas ideal memiliki tekanan awal sejumlah P, sementara suhu awalnya adalah T. Kemudian, gas tersebut mengalami perubahan tekanan menjadi 3P. Berapa suhu gas tersebut sekarang?
Pembahasan:
P1 = P
P2 = 3P
T1 = T
Ditanya: T2 …?
P1 / T1 = P2 / T2
P / T = 3P / T2
T2 = 6T
Jadi, suhu gas tersebut sekarang berubah menjadi 6T.
—
Nah, sudah paham kan dengan materi hukum dan persamaan gas ideal? Atau masih penasaran? Kalau masih penasaran, yuk pelajari selengkapnya di ruangbelajar! Daftarkan dirimu sekarang juga, ya!
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<h1 class="content-title">
Pengertian Gas Ideal, Sifat, Hukum & Persamaannya | Fisika Kelas 11 </h1>
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<p class="content-author"><a href="https://www.ruangguru.com/blog/author/kenya-swawikanti" class="">Kenya Swawikanti</a> </p>
<p class="content-info"><span>January 7, 2026 • </span> <span>5 minutes read</span></p>
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<p style="text-align: justify;"><span style="font-weight: 400;"><span style="color: #000000;"><img decoding="async" style="width: 820px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/Gas%20Ideal.jpg" alt="Gas Ideal" /></span></span></p>
<blockquote>
<p style="text-align: center;"><em>Yuk, kenal lebih dekat tentang <strong>gas ideal</strong>! Apa itu gas ideal? Seperti apa sifat-sifat dan persamaannya? Pelajari selengkapnya dalam <strong><a href="https://www.ruangguru.com/blog/c/fisika/fisika-sma-kelas-11">artikel Fisika kelas 11</a></strong> berikut, ya!</em></p>
<p style="text-align: center;"><em><span style="font-weight: 400;"><span style="color: #000000;">—</span></span></em></p>
</blockquote>
<p> </p>
<p style="text-align: justify;">Teman-teman, pernah nggak mendengar istilah <strong><a href="/blog/kimia-kelas-12-mengenal-macam-macam-gas-mulia" rel="noopener">gas</a> sejati dan gas ideal</strong>?</p>
<p style="text-align: justify;"><strong>Gas sejati adalah gas nyata yang ada di sekitar kita</strong>. Contohnya, gas yang kita hirup, gas yang keluar dari kendaraan bermotor, dan sebagainya. Gas sejati memiliki sifat dan interaksi yang sangat kompleks.</p>
<p style="text-align: justify;">Sementara itu, <strong>gas ideal adalah gas teoretik yang digunakan untuk mempelajari perilaku gas</strong>. Karena gas sejati bersifat kompleks, maka susah bagi kita untuk mempelajari perilakunya.</p>
<p style="text-align: justify;">Oleh karena itu, <strong>gas sejati</strong> ini <strong>disederhanakan menjadi gas ideal</strong>. Karena telah disederhanakan, gas ideal pun memiliki sifat dan interaksi yang lebih sederhana dibandingkan gas sejati. Jadi, <strong>sederhananya</strong>, <strong>gas ideal adalah model untuk perhitungan perilaku gas sejati</strong> atau gas nyata.</p>
<p> </p>
<h2><span style="font-size: 18pt;">Sifat-Sifat Gas Ideal</span></h2>
<p style="text-align: justify;">Salah satu sifat pada gas ideal adalah <strong>partikel-partikelnya tidak memiliki volume dan gaya antar partikelnya diabaikan</strong>, <strong>kecuali tumbukan</strong>.</p>
<p style="text-align: justify;">Gas-gas nyata, seperti gas O<sub>2</sub>, H<sub>2</sub>, CO<sub>2</sub>, dan gas lainnya, dapat mendekati sifat gas ideal ketika berada pada temperatur tinggi dan bertekanan rendah.</p>
<p style="text-align: justify;">Sifat lain yang dimiliki gas ideal, yakni <em>jarak antarmolekulnya sangat jauh jika dibandingkan dengan ukuran molekulnya sendiri</em>. Selain itu, <strong>partikel gas ideal bergerak dengan acak dan bertumbukan lenting sempurna</strong>, baik dengan dinding wadah gas atau dengan partikel gas lainnya.</p>
<p style="text-align: justify;"><strong>Baca Juga: <a href="/blog/kapilaritas-pengertian-rumus-dan-contohnya-dalam-kehidupan-sehari-hari" rel="noopener">Pengertian, Penerapan, Rumus, dan Contoh Soal Kapilaritas</a></strong></p>
<p> </p>
<h2><span style="font-size: 18pt;">Konsep Mol pada Gas Ideal</span></h2>
<p style="text-align: justify;">Untuk menyatakan banyaknya zat pada gas ini, digunakan sebuah besaran yang kita sebut sebagai <strong>jumlah zat</strong> dengan satuan standar internasionalnya adalah <strong>mol</strong>. Dalam <strong>1 mol zat</strong> sendiri terdapat <strong>6,022 × 10<sup>23</sup> partikel</strong> yang terkandung di dalamnya.</p>
<p style="text-align: justify;"><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/rumus%20massa%20molekul%20relatif.jpg" alt="rumus massa molekul relatif" width="600" /></p>
<p> </p>
<p><strong>Contoh Soal!</strong></p>
<p style="text-align: justify;">Pada suhu dan tekanan massa dari 1 liter gas A adalah seperempat dari massa 1 liter gas SO<sub>3</sub>. Tentukan massa molekul relatif gas A tersebut! (Ar O = 16, S = 32)</p>
<p> </p>
<p><strong>Pembahasan:</strong></p>
<p style="text-align: justify;">Sebelum mencari massa molekul relatif gas A, kita cari dulu massa molekul relatif gas SO<sub>3</sub>.</p>
<p>Mr SO<sub>3</sub> = (1 × Ar S) + (3 × Ar O)<br />
Mr SO<sub>3</sub> = (1 × 32) + (3 × 16)<br />
Mr SO<sub>3</sub> = 80</p>
<p> </p>
<p>Nah, diketahui pada soal kalau massa 1 liter gas A adalah ¼ dari massa 1 liter gas SO<sub>3</sub>, sehingga:</p>
<p>Massa A = ¼ Massa SO<sub>3</sub></p>
<p>mol × Mr A = ¼ × mol × Mr SO<sub>3</sub></p>
<p><img decoding="async" class="size-medium alignnone" src="https://cdn-web-2.ruangguru.com/landing-pages/assets/f7941adc-6edc-4e1a-8a88-151726c82d02.png" alt="cara mencari massa molekul relatif unsur" /></p>
<p>Jadi, massa molekul relatif gas A yaitu 20 kg/mol.</p>
<p> </p>
<h2><span style="font-size: 18pt;">Hukum dan Persamaan Gas Ideal</span></h2>
<p style="text-align: justify;">Pada teori kinetik gas, keadaan gas diuji oleh beberapa ilmuwan dan menghasilkan beberapa temuan sebagai berikut:</p>
<p> </p>
<h3 style="text-align: justify;"><span style="font-size: 14pt;">1. Hukum Boyle</span></h3>
<p style="text-align: justify;">Hukum Boyle menyatakan bahwa <strong>tekanan gas berbanding terbalik dengan volume gas</strong>, <strong>saat temperatur dan jumlah zat gas dijaga tetap konstan</strong>. Secara matematis, hal tersebut dapat dituliskan seperti berikut:</p>
<p style="text-align: justify;"><img decoding="async" style="width: 60px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/gas%20ideal%201.png" alt="gas ideal 1" width="600" /></p>
<p style="text-align: justify;">Atau dalam bentuk lain, bisa dituliskan seperti berikut:</p>
<p style="text-align: center;">PV = konstan</p>
<p style="text-align: justify;">Sehingga, untuk persamaan perbandingan keadaan gas sesuai hukum Boyle, bisa dituliskan seperti berikut:</p>
<p style="text-align: justify;"><span style="font-size: 16px; color: #000000;"><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/rumus%20tekanan%20dan%20volume.jpg" alt="rumus tekanan dan volume pada temperatur tetap" width="600" /></span></p>
<p> </p>
<p><strong>Contoh Soal:</strong></p>
<p style="text-align: justify;">Diketahui pada awalnya, jumlah suatu gas ideal memiliki tekanan sejumlah P dan volume sejumlah V. Kemudian, tekanan gas tersebut berubah menjadi 4 kali tekanan awal. Berapakah volume gas tersebut sekarang?</p>
<p><strong>Pembahasan:</strong></p>
<p>P<sub>1</sub> . V<sub>1</sub> = P<sub>2</sub> . V<sub>2</sub></p>
<p>P<sub>2 </sub>= 4P<sub>1 </sub>, sehingga</p>
<p>P<sub>1</sub> . V<sub>1</sub> = 4P<sub>1</sub> . V<sub>2</sub></p>
<p>V<sub>1</sub> = 4V<sub>2</sub></p>
<p>V<sub>2</sub> = ¼ V<sub>1</sub></p>
<p>Jadi, volume gas tersebut sekarang menjadi ¼ volume gas awal.</p>
<p> </p>
<h3><span style="font-size: 14pt;">2. Hukum Charles</span></h3>
<p style="text-align: justify;">Hukum Charles, menyatakan bahwa <strong>temperatur mutlak dan volume gas akan berbanding lurus saat <a href="/blog/ipa-kelas-8-tekanan-gas-dalam-ruang-tertutup-di-kehidupan-sehari-hari" rel="noopener">tekanan</a> dan jumlah zatnya dijaga tetap</strong>. Secara matematis, hal tersebut bisa dituliskan seperti ini:</p>
<p style="text-align: center;">V ∝ T</p>
<p style="text-align: justify;">Dalam bentuk lain, bisa juga dituliskan seperti ini:</p>
<p style="text-align: justify;"><span style="font-size: 16px; color: #000000;"><span style="background-color: transparent;"><img decoding="async" style="width: 122px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/gas%20ideal%202.png" alt="gas ideal 2" width="122" /></span></span></p>
<p style="text-align: justify;">Sehingga, hubungan keadaan awal dan keadaan akhirnya, bisa ditulis seperti rumus berikut ini:</p>
<p style="text-align: justify;"><span style="font-size: 16px; color: #000000;"><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/rumus%20volume%20dan%20temperatur.jpg" alt="rumus volume dan temperatur pada tekanan tetap" width="600" /></span></p>
<p> </p>
<p><strong>Contoh Soal:</strong></p>
<p style="text-align: justify;">Diketahui sebuah gas ideal memiliki volume awal sebesar ½V, dengan volume akhir sebesar 2V. Sementara itu, gas tersebut memiliki suhu sebesar T. Berapakah besar suhu akhir dari gas tersebut?</p>
<p><strong>Pembahasan:</strong></p>
<p><img decoding="async" class="size-medium alignnone" src="https://cdn-web-2.ruangguru.com/landing-pages/assets/6a870014-8e2f-4dca-b24c-aa4f91b0b54a.png" alt="rumus hukum charles - gas ideal" /></p>
<p>V<sub>1 </sub>= ½V</p>
<p>V<sub>2</sub> = 2V</p>
<p>T<sub>1</sub> = T</p>
<p>Ditanya: T<sub>2</sub> …?</p>
<p>V<sub>1</sub> / T<sub>1</sub> = V<sub>2</sub> / T<sub>2</sub></p>
<p>½V / T = 2V / T<sub>2</sub></p>
<p>T<sub>2</sub> = 4T</p>
<p>Jadi, suhu akhir gas tersebut adalah sebesar 4 kali dari suhu awal.</p>
<p> </p>
<h3 style="text-align: justify;"><span style="font-size: 14pt;">3. Hukum Gay-Lussac</span></h3>
<p style="text-align: justify;">Hukum Gay-Lussac menyatakan bahwa <strong>tekanan pada gas berbanding lurus dengan temperatur mutlaknya</strong>, <strong>saat gas dijaga dalam volume dan jumlah zat yang tetap</strong>. Secara matematis, hal tersebut dapat dituliskan seperti ini:</p>
<p style="text-align: center;">P ∝ T</p>
<p style="text-align: justify;">Dalam bentuk lain, bisa dituliskan juga seperti ini:</p>
<p style="text-align: justify;"><span style="font-size: 16px; color: #000000;"><img decoding="async" style="width: 119px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/gas%20ideal%203.png" alt="gas ideal 3" width="119" /></span></p>
<p style="text-align: justify;">Kemudian, untuk perbandingan keadaan awal dan keadaan akhirnya, bisa dituliskan seperti pada rumus berikut:</p>
<p style="text-align: justify;"><span style="font-size: 16px; color: #000000;"><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/rumus%20tekanan%20dan%20temperatur%20pada%20volume%20tetap.jpg" alt="rumus tekanan dan temperatur pada volume tetap" width="600" /></span></p>
<p> </p>
<p style="text-align: justify;">Nah, hubungan ketiga besaran makroskopik tersebut, yang terdiri atas <strong>tekanan (P), volume (V), dan temperatur (T)</strong>, bisa dinyatakan dalam <strong>hukum gabungan gas ideal</strong>, di mana <strong>syaratnya</strong> adalah<strong> jumlah zat harus dalam keadaan konstan</strong>.</p>
<p style="text-align: justify;">Secara matematis, hal tersebut dapat dituliskan seperti rumus berikut:</p>
<p style="text-align: justify;"><img decoding="async" style="width: 129px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/gas%20ideal%204.png" alt="gas ideal 4" width="129" /></p>
<p style="text-align: justify;">Untuk persamaan keadaan awal dan akhirnya dapat ditulis dengan rumus seperti berikut:</p>
<p style="text-align: justify;"><span style="font-size: 16px; color: #000000;"><img decoding="async" style="width: 107px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/gas%20ideal%205.png" alt="gas ideal 5" width="107" /></span></p>
<p> </p>
<p><strong>Contoh Soal:</strong></p>
<p style="text-align: justify;">Diketahui sebuah gas ideal memiliki tekanan awal sejumlah P, sementara suhu awalnya adalah T. Kemudian, gas tersebut mengalami perubahan tekanan menjadi 3P. Berapa suhu gas tersebut sekarang?</p>
<p style="text-align: justify;"><strong>Pembahasan:</strong></p>
<p><img decoding="async" class="alignnone size-medium" src="https://cdn-web-2.ruangguru.com/landing-pages/assets/bc5601d3-4596-46c2-8424-0d3f54807b1b.png" alt="hukum gay-lussac - gas ideal" /></p>
<p>P<sub>1</sub> = P</p>
<p>P<sub>2</sub> = 3P</p>
<p>T<sub>1</sub> = T</p>
<p>Ditanya: T<sub>2</sub> …?</p>
<p>P<sub>1</sub> / T<sub>1</sub> = P<sub>2</sub> / T<sub>2</sub></p>
<p style="text-align: justify;">P / T = 3P / T<sub>2</sub></p>
<p style="text-align: justify;">T<sub>2</sub> = 6T</p>
<p style="text-align: justify;">Jadi, suhu gas tersebut sekarang berubah menjadi 6T.</p>
<p style="text-align: center;">—</p>
<p style="text-align: justify;"><span style="font-weight: 400;">Nah, </span><span style="font-weight: 400;">sudah paham kan dengan materi hukum dan persamaan gas ideal? Atau masih penasaran? Kalau masih penasaran, yuk pelajari selengkapnya di </span><strong><a href="https://www.ruangguru.com/ruangbelajar" target="_blank" rel="noopener">ruangbelajar</a></strong><span style="font-weight: 400;">! Daftarkan dirimu sekarang juga, ya!</span></p>
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<div class="d-lg-none text-center">
<nav class="footer-menu social">
<p class="title">Ikuti Kami</p>
<a target="_blank" href="https://www.instagram.com/ruangguru/">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/instagram.png?height=60&convert=webp" type="image/webp">
<source srcset="https://cdn-web-2.ruangguru.com/static/instagram.png?height=60" type="image/png">
<img src="https://cdn-web-2.ruangguru.com/static/instagram.png" loading="lazy" alt="Logo Instagram Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://www.facebook.com/ruanggurucom/">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/facebook.png?height=60&convert=webp" type="image/webp">
<source srcset="https://cdn-web-2.ruangguru.com/static/facebook.png?height=60" type="image/png">
<img src="https://cdn-web-2.ruangguru.com/static/facebook.png" loading="lazy" alt="Logo Facebook Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://twitter.com/ruangguru/">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/twitter.png?height=60&convert=webp" type="image/webp">
<source srcset="https://cdn-web-2.ruangguru.com/static/twitter.png?height=60" type="image/png">
<img src="https://cdn-web-2.ruangguru.com/static/twitter.png" loading=" lazy" alt="Logo Twitter Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://www.youtube.com/ruangguru">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/youtube.png?height=60&convert=webp" type="image/webp">
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<img src="https://cdn-web-2.ruangguru.com/static/youtube.png" loading=" lazy" alt="Logo Youtube Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://www.linkedin.com/company/ruangguru-com">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/linkedin.png?height=60&convert=webp" type="image/webp">
<source srcset="https://cdn-web-2.ruangguru.com/static/linkedin.png?height=60" type="image/png">
<img src="https://cdn-web-2.ruangguru.com/static/linkedin.png" loading=" lazy" alt="Logo LinkedIn Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://www.tiktok.com/@ruangguru">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/tiktok.png?height=60&convert=webp" type="image/webp">
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<img src="https://cdn-web-2.ruangguru.com/static/tiktok.png" loading=" lazy" alt="Logo TikTok Footer" width="32px" height="32px" />
</picture>
</a>
</nav>
</div>
<p class="footer-copyright">
© 2026 All Rights Reserved PT. Ruang Raya Indonesia
</p>
</div>
<style>
.bantuan-container {
position: relative;
}
.bantuan-element {
position: fixed;
z-index: 999;
display: flex;
align-items: flex-end;
justify-content: flex-end;
cursor: pointer;
transition: all 0.6s ease;
}
.bantuan-top {
bottom: 11rem;
right: 2rem;
}
.bantuan-bottom {
bottom: 2rem;
right: 2rem;
}
.bantuan-top-2 {
bottom: 15rem;
right: 2rem;
}
.bantuan-top-3 {
bottom: 19rem;
right: 2rem;
}
.bantuan-bottom-2 {
bottom: 5rem;
right: 2rem;
}
.bantuan-bottom-3 {
bottom: 8rem;
right: 2rem;
}
@media (min-width: 768px) {
.bantuan-element img {
width: auto;
transition: all 0.4s ease;
}
.bantuan-top img {
width: 140px;
}
.bantuan-bottom img {
width: 140px;
}
.bantuan-top-2 img,
.bantuan-top-3 img {
width: 140px;
}
.bantuan-bottom-2 img,
.bantuan-bottom-3 img {
width: 140px;
}
.bantuan-element.clicked {
bottom: 9rem;
right: 2.5rem;
}
.bantuan-element.clicked img {
width: auto;
height: 64px;
}
}
@media (max-width: 767px) {
.bantuan-top {
bottom: 8rem;
right: 1rem;
align-items: center;
}
.bantuan-bottom {
bottom: 2rem;
right: 1.25rem;
align-items: center;
}
.bantuan-top-2 {
bottom: 12rem;
right: 1rem;
align-items: center;
}
.bantuan-top-3 {
bottom: 16rem;
right: 1rem;
align-items: center;
}
.bantuan-bottom-2 {
bottom: 5rem;
right: 1.25rem;
align-items: center;
}
.bantuan-bottom-3 {
bottom: 8rem;
right: 1.25rem;
align-items: center;
}
.bantuan-element img {
width: auto;
}
.bantuan-top img,
.bantuan-top-2 img,
.bantuan-top-3 img {
width: 96px;
}
.bantuan-bottom img,
.bantuan-bottom-2 img,
.bantuan-bottom-3 img {
width: 96px;
}
}
.bantuan-element:hover {
transform: scale(1.05);
}
.bantuan-element img {
max-width: 100%;
height: auto;
}
</style>
<div id="bantuan-divs-container" style="position: relative" data-product="ruangguru" data-table="rg_floating_icon"></div>
<script>
class FloatingDivsComponent {
constructor(product = 'ruangguru', table = 'rg_floating_icon') {
this.container = document.getElementById('bantuan-divs-container');
this.floatingElements = [];
this.product = product;
this.table = table;
// Configuration
this.config = {
baseApiUrl: 'https://gw.ruangguru.com/api/v3/rdb/p_ddgy8hjx5dxsqx/rg_banner/views/',
apiKey: 'vLyK3dJrDBRmOwueX2OJXibMkgsUbBk0WS4ua2p1',
maxElements: 2,
zIndexBase: 100,
};
// Build dynamic API URL based on table parameter
this.config.apiUrl = this.buildApiUrl();
this.init();
}
buildApiUrl() {
const baseUrl = this.config.baseApiUrl;
const tableName = this.table || 'rg_floating_icon';
const queryParams =
'offset=0&limit=99999&sort=rankPosition&where=(type,eq,floating)~and(showIn,anyof,blog)~and(hide,is,false)~and(product,eq,' +
this.product +
')&nested%5Bcta%5D%5Bfields%5D=Id,name,ctaId,imageUrl,ctaLink,targetUrl';
return `${baseUrl}${tableName}?${queryParams}`;
}
async init() {
try {
await this.fetchFloatingElements();
this.renderFloatingElements();
} catch (error) {
console.error('Failed to initialize floating divs component:', error);
}
}
async fetchFloatingElements() {
try {
const options = {
method: 'GET',
headers: {
'xc-token': this.config.apiKey || 'vLyK3dJrDBRmOwueX2OJXibMkgsUbBk0WS4ua2p1',
},
};
const urlNoco = this.config.apiUrl;
const response = await fetch(urlNoco, options);
if (!response.ok) {
throw new Error(`HTTP error! status: ${response.status}`);
}
const data = await response.json();
this.floatingElements = this.processApiResponse(data);
} catch (error) {
console.error('Error fetching floating elements:', error);
throw error;
}
}
processApiResponse(data) {
if (!data || !data.list || !Array.isArray(data.list)) {
return [];
}
console.log(data.list);
// Ensure we only get maximum 2 elements
const limitedElements = data.list.slice(0, this.config.maxElements);
return limitedElements;
}
renderFloatingElements() {
if (!this.container || this.floatingElements.length === 0) {
return;
}
// Additional safeguard: ensure we never render more than maxElements
const elementsToRender = this.floatingElements.slice(0, this.config.maxElements);
// Clean up existing elements and their event listeners
this.cleanupExistingElements();
// Clear existing content
this.container.innerHTML = '';
elementsToRender.forEach((element, index) => {
const floatingDiv = this.createFloatingDiv(element, index);
this.container.appendChild(floatingDiv);
});
}
cleanupExistingElements() {
// Clear existing elements (no need for event listener cleanup with CSS approach)
const existingElements = this.container.querySelectorAll('[data-floating-element]');
existingElements.forEach(element => {
element.remove();
});
}
createFloatingDiv(element, index) {
const div = document.createElement('div');
const cta = element.cta[0]; // Use the first CTA
// Add data attribute for cleanup tracking
div.setAttribute('data-floating-element', 'true');
// Apply CSS classes based on rankPosition
const positionClass = this.getPositionClass(element.rankPosition, index);
div.className = `bantuan-element ${positionClass}`;
div.style.zIndex = this.config.zIndexBase + index;
// Create the link and image
const link = document.createElement('a');
link.href = 'https://cta.ruangguru.com/' + cta.ctaId || '#';
link.target = '_blank';
// Add tracking attributes
link.setAttribute('data-tracking-event-type', 'landing_page__core__item_click');
link.setAttribute(
'data-tracking-context',
JSON.stringify({
product_name: this.product,
cta_action: 'redirection',
cta_action_detail: link.href,
item_type: 'floating',
item_name: element.name || 'Floating element',
item_category: 'payment',
item_position: index,
item_serial: null,
section_type: 'floating_item',
section_position: 'body',
section_name: 'floating_item',
})
);
const img = document.createElement('img');
img.src = element.imageUrl + '?h=200&convert=webp';
img.alt = element.name || 'Floating element';
img.loading = 'lazy';
// Add click tracking
link.addEventListener('click', () => {
this.trackClick(element, cta);
});
link.appendChild(img);
div.appendChild(link);
return div;
}
getPositionClass(rankPosition, index) {
// Define positioning classes based on rankPosition
if (rankPosition === 1) {
return 'bantuan-top'; // Top position
} else if (rankPosition === 2) {
return 'bantuan-bottom'; // Bottom position
} else {
// For additional elements, distribute them evenly
return `bantuan-${index % 2 === 0 ? 'top' : 'bottom'}-${Math.floor(index / 2) + 1}`;
}
}
trackClick(element, cta) {
// Implement click tracking logic here
console.log('Floating element clicked:', {
elementId: element.Id,
elementName: cta.name,
ctaId: cta.ctaId,
targetUrl: cta.targetUrl,
});
}
// Public method to manually refresh
async refresh() {
try {
await this.fetchFloatingElements();
this.renderFloatingElements();
} catch (error) {
console.error('Failed to refresh floating elements:', error);
throw error;
}
}
// Public method to get current floating elements
getFloatingElements() {
return [...this.floatingElements];
}
}
// Initialize the component when DOM is ready
document.addEventListener('DOMContentLoaded', () => {
// Get product and table parameters from data attributes
const container = document.getElementById('bantuan-divs-container');
const product = container.getAttribute('data-product') || 'ruangguru';
const table = container.getAttribute('data-table') || 'rg_floating_icon';
new FloatingDivsComponent(product, table);
});
// Export for use in other modules if needed
if (typeof module !== 'undefined' && module.exports) {
module.exports = FloatingDivsComponent;
}
</script> <div id="wp-install-nudge" style="
position: fixed;
bottom: 0rem;
right: 0;
z-index: 999;
cursor: pointer;
"></div>
<script>
(function (w, d, s, o, f, js, fjs) {
w['Sales-Nudge-Widget'] = o; w[o] = w[o] || function () { (w[o].q = w[o].q || []).push(arguments) };
js = d.createElement(s), fjs = d.getElementsByTagName(s)[0];
js.id = o; js.src = f; js.async = 1; fjs.parentNode.insertBefore(js, fjs);
}(window, document, 'script', 'wpInstallNudge', 'https://cdn-web-2.ruangguru.com/sales-nudge/6198a95130/dist/widget.js'));
wpInstallNudge('init', { targetElementId: 'wp-install-nudge', clientTarget: 'ruangguru_blog' });
</script>
<script>
// note: disabled due to auto reload page
// var lastScrollTop = 0;
// $(window).scroll(function(event){
// var st = $(this).scrollTop();
// if (st > lastScrollTop){
// $('#wp-install-nudge').slideDown( "slow", function() {});
// } else {
// $('#wp-install-nudge').slideUp( "slow", function() {});
// }
// lastScrollTop = st;
// });
// $(document).ready(function () {
// $("#wp-install-nudge").hide();
// });
$('#wp-install-nudge').click(function(){
Analytics.track("promotion__install_nudge__click",
{
user_email: "ruangguru@blog.com",
cta_link: widgetData.dataConfig.target_link
}).catch((err) => {
console.log("tracker error", err);
});
});
</script>
</footer>
<div id="__next"></div>
<script type="speculationrules">
{"prefetch":[{"source":"document","where":{"and":[{"href_matches":"\/blog\/*"},{"not":{"href_matches":["\/blog\/wp-*.php","\/blog\/wp-admin\/*","\/blog\/wp-content\/uploads\/*","\/blog\/wp-content\/*","\/blog\/wp-content\/plugins\/*","\/blog\/wp-content\/themes\/ruangguru\/*","\/blog\/*\\?(.+)"]}},{"not":{"selector_matches":"a[rel~=\"nofollow\"]"}},{"not":{"selector_matches":".no-prefetch, .no-prefetch a"}}]},"eagerness":"conservative"}]}
</script>
<script>
async function getCtaDetails(ctaIds) {
const endpoint =
" https://gw.ruangguru.com/api/v3/rdb/p_ddgy8hjx5dxsqx/CTA/views/CTA?offset=0&limit=10&where=(ctaId,in," + ctaIds.toString() + ")";
try {
const response = await fetch(endpoint, {
headers: {
"xc-token": "-hG2nBDJzSj0agSgNtcJx97M4F02y54nUMoY6plJ",
},
});
const data = await response.json();
const ctaList = data?.list || [];
const ctaMap = new Map();
for (const ctaData of ctaList) {
ctaMap.set(ctaData.ctaId, ctaData);
}
return ctaMap;
} catch (error) {
console.error("Error fetching CTA details:", error);
return new Map();
}
}
async function replaceCTA() {
const regex = /{{cta\((‘(.*?)’|“(.*?)”)\)}}/g;
const bodyHTML = document.body.innerHTML;
const matches = Array.from(bodyHTML.matchAll(regex));
const ctaIds = matches.map((match) => {
let ctaId = match[2] ?? match[3];
return ctaId;
});
const ctaMap = await getCtaDetails(ctaIds);
const replacedHTML = bodyHTML.replace(regex, (match, _inner, ctaId1, ctaId2) => {
const ctaId = ctaId1 ?? ctaId2;
const ctaData = ctaMap.get(ctaId);
if (ctaData) {
return `<a href="https://cta.ruangguru.com/${ctaData.ctaId}" target="_${ctaData.targetType}" style="position:relative;display:inline-block;">
<img src="${ctaData.imageUrl}" loading="lazy" alt="${ctaData.altText}" />
</a>`;
} else {
return match;
}
});
document.body.innerHTML = replacedHTML;
}
</script>
<meta name="author" content="Ruangguru Tech Team">
<!-- Google Tag Manager (noscript) -->
<noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-PVNLZFT" height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>
<!-- Tracker -->
<script type="text/javascript" src="https://cdn-web-2.ruangguru.com/landing-page-web/public/staticpages/global-assets/js/cta.js"></script>
<script src="https://unpkg.com/@dotlottie/player-component@latest/dist/dotlottie-player.mjs" type="module"></script>
</body>
</html>