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<h1 class="content-title">
Penjelasan Ilmiah tentang Video Viral Kopi Luwak yang Mudah Terbakar | Kimia Kelas 11 </h1>
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<p class="content-author"><a href="https://www.ruangguru.com/blog/author/kresnoadi" class="">Kresnoadi</a> </p>
<p class="content-info"><span>October 5, 2018 • </span> <span>3 minutes read</span></p>
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<p><em><img decoding="async" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/kopi%20luwak%20terbakar.png" width="820" style="width: 820px;" alt="penjelasan kopi luwak terbakar"></em></p>
<blockquote>
<div><em>Artikel kimia kelas XI ini akan membahas video viral luwak white koffie yang terbakar ketika disemburkan ke api dari segi ilmiah. Dengan Ruangguru, #30MenitBisa</em></div>
</blockquote>
<p><span id="more-9094"></span></p>
<p style="text-align: center;">—</p>
<p style="text-align: justify;">Ada nggak di antara kamu yang suka kopi? Biasanya, sih, pas masa-masa ujian. Ngomongin soal kopi, belakangan ini ada beberapa video viral yang berkaitan dengan kopi nih. Masalahnya, bukan tentang tempat kopi yang enak atau cara bikin kopi. Video viral yang beredar adalah tentang salah satu merek kopi luwak yang dtabur di atas api dan membuat apinya membesar.</p>
<p style="text-align: justify;">Gara-gara hal ini, langsung beredar isu yang mengatakan kalau kopi tersebut mengandung bubuk mesiu. Dunia perkopian langsung huru-hara. Anak kosan menjadi panik. Ibu-ibu takut menyajikan kopi. Bahkan ada yang berpikir, ‘Kalo gue makan makanan pedas, jangan-jangan perut gue akan meledak!’</p>
<p><img decoding="async" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/video%20viral%20kopi%20luwak.gif" alt="video viral kopi luwak" width="480" style="width: 480px; display: block; margin: 0px auto;"></p>
<p style="text-align: justify;">Nah, itu adalah salah satu dari rekaman video yang diambil dari akun YouTube City Network. Gimana menurut kamu?</p>
<p style="text-align: justify;">Sekarang, kita bahas dari sisi ilmu pengetahuan ya. Kira-kira kenapa kopi tersebut bisa memperbesar api? Apakah benar ada bubuk mesiunya?</p>
<p style="text-align: justify;">Pertama, kita harus tahu dulu konsep segitiga api. Segitiga api adalah konsep yang menjelaskan bagaimana api bisa terbentuk.</p>
<p><img decoding="async" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/segitiga%20api.png" alt="gambar segitiga api" width="600" style="width: 600px; display: block; margin: 0px auto;"></p>
<p style="text-align: justify;">Seperti pada gambar di atas, untuk memunculkan api, kita butuh tiga unsur: 1) Sumber api, 2) Bahan bakar, dan 3) Oksigen. Dari kategori ini, tentu kopi luwak masuk ke dalam bahan bakar. Tapi, pertanyaan selanjutnya adalah, “Mengapa ia bisa membesarkan api?”</p>
<p><img decoding="async" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/isi%20kandungan%20kopi%20luwak.png" alt="isi kandungan kopi luwak" width="600" style="width: 600px; display: block; margin: 0px auto;"></p>
<p style="text-align: justify;">Sekarang, kita akan bedah karakteristik kopi luwak. Jika kita melihat komposisinya, kopi luwak terdiri dari bubuk kopi, gula, dan krimer. Itu artinya, di dalam kopi dan gula, terdapat kandungan karbohidrat. Sementara di dalam krimer terdapat kandungan lemak. Di sisi lain, Badan POM menemukan bahwa di dalam campuran kopi luwak terdapat kandungan minyak. Nah, bahan pangan seperti ini, otomatis <strong>akan mempunyai ikatan rantai karbon di dalamnya.</strong></p>
<p style="text-align: justify;"><strong>Baca juga: <a href="/apa-yang-dimaksud-dengan-kekhasan-atom-karbon" rel="noopener" target="_blank">Mengenal Kekhasan Atom Karbon</a></strong></p>
<p style="text-align: justify;">Hal inilah yang menyebabkan ia bereaksi ketika disulut api.</p>
<p style="text-align: justify;">Terlebih, secara fisik, bubuk kopi luwak sangat halus, yang berarti ia memiliki luas permukaan yang besar. Kadar airnya juga sedikit (kering). Ini juga menjadi faktor mengapa ia mudah terbakar (Coba aja kamu seduh kopinya, terus tuang ke api, pasti nggak kebakar. Tapi tumpah). Karakteristik fisik ini, dalam dunia kimia, dikenal dengan istilah <em>dust explotion. </em>Ya, debu. Bukan <em>luwak explotion.</em></p>
<p style="text-align: center;"><img decoding="async" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/contoh%20dust%20explotion.gif" alt="contoh dust explotion" width="450" style="width: 450px; display: block; margin: 0px auto;">Tepung jagung ketika disemburkan ke api (Sumber: Tontechy via YouTube)</p>
<p> </p>
<p style="text-align: justify;">Seperti halnya bubuk kopi luwak, karakteristik ini juga bisa kita temukan pada bahan-bahan lain. Seperti tepung terigu, tepung kanji, merica bubuk, tepung jagung, dan susu bubuk. Itu artinya, semua bahan ini, kalau disemburkan ke api juga akan membesarkan api. Bumbu cimol juga kalo disemprot ke api akan bikin apinya membesar kok.</p>
<p><img decoding="async" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/rogu%20kopi.png" alt="rogu kopi" width="600" style="width: 600px; display: block; margin: 0px auto;"></p>
<p style="text-align: justify;">Makanya, satu hal yang perlu kamu ingat adalah: <strong>bukan berarti karena ia gampang terbakar, lantas disebut punya bubuk mesiu di dalamnya.</strong> Jangan gampang narik kesimpulan dari hal yang sebenarnya kita nggak tahu deh. Apalagi sampai nyebarin dan bikin panik orang lain.</p>
<p><img decoding="async" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/meme%20twit%20kompas.jpg" alt="meme twit kompas" width="600" style="width: 600px; display: block; margin: 0px auto;"></p>
<p style="text-align: justify;">Penjelasan tentang hal ini bahkan pernah dibuat dua tahun lalu di <em>channel YouTube </em><a href="https://www.youtube.com/watch?v=GJpp3qKebnw&t=113s" rel="nofollow noopener" target="_blank">Kimiasutra</a>. Karena, pas zaman itu, ada juga gosip serupa yang mengatakan kalau krimer punya zat eksplosif dan bikin meledak. Eh, kok, sekarang malah muncul berita yang sama lagi.</p>
<p style="text-align: justify;">Gimana, sekarang udah tahu kan penjelasan dan klarifikasi tentang video kopi yang bisa terbakar dari sisi penjelasan ilmiah. Kalau kamu ingin mempelajari materi-materi kayak gini dalam bentuk video, tonton aja langsung lewat <strong><a href="http://bit.ly/rg_app" rel="noopener" target="_blank">ruangbelajar</a>.</strong> Di sana, kamu juga akan mendapat latihan soal yang membantu meningkatkan pemahaman kamu, <em>lho</em>!</p>
<p style="text-align: center;"> <a href="https://link.ruangguru.com/blPk/eaff0eb9" target="_blank" style="text-align: center;" class="rg-cta" rel="noopener"><img fetchpriority="high" decoding="async" src="https://cdn-web.ruangguru.com/landing-pages/assets/cta/0ec4a2df-db2e-4ae1-8473-692756dcb684.jpeg" width="822" height="200" alt="IDN CTA Blog ruangbelajar Ruangguru" /></a></p>
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<li><a href="https://www.ruangguru.com/bantuan#layanan">Layanan Pengaduan</a></li>
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<li><a href="https://www.ruangguru.com/privacy-policy">Kebijakan Privasi</a></li>
<li><a href="https://www.ruangguru.com/about-us">Tentang Kami</a></li>
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<li><a href="https://www.ruangguru.com/press">Press Kit</a></li>
<li><a href="https://www.ruangguru.com/bantuan">Bantuan</a></li>
<li><a href="https://career.ruangguru.com/">Karier</a></li>
</ul>
</nav>
</div>
<div class="col-6 col-md-3">
<nav class="footer-menu">
<p class="title">Produk Lainnya</p>
<ul type="none">
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</nav>
</div>
<div class="col-6 col-md-3">
<nav class="footer-menu">
<p class="title"> Coba GRATIS Aplikasi Ruangguru</p>
<div class="download-list">
<ul>
<li>
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</a>
</li>
<li>
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<img src="https://cdn-web-2.ruangguru.com/static/googleplay.png" loading="lazy" alt="Button Google Play Footer " />
</a>
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<img src="https://cdn-web-2.ruangguru.com/static/huawei.png" loading="lazy" alt="Button AppGallery Footer " />
</a>
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</div>
<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>
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<img src="https://cdn-web-2.ruangguru.com/static/instagram.png" loading="lazy" alt="Logo Instagram Footer" width="32px" height="32px" />
</picture>
</a>
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<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/facebook.png?height=60&convert=webp" type="image/webp">
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</picture>
</a>
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<picture>
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</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>