# combustion of diamond equation

Thanks for contributing an answer to Chemistry Stack Exchange! So equation 3 is now: 2H2 + O2 ---> 2 H2O. Which software is good with generally contracted basis sets? Combustion, or burning, is a high-temperature exothermic redox chemical reaction between a fuel (the reductant) and an oxidant, usually atmospheric oxygen, that produces oxidized, often gaseous products, in a mixture termed as smoke.Combustion does not always result in fire, but when it does, a flame is a characteristic indicator of the reaction. site design / logo © 2020 Stack Exchange Inc; user contributions licensed under cc by-sa. To learn more, see our tips on writing great answers. Complete combustion of hydrocarbons (without impurities) in the presence of enough oxygen produces water vapor and carbon dioxide. Yes, diamond will combust in air. Diamond is one of the allotropes of the element carbon, together with graphite, fullerenes and lately graphene which has a 2D crystalline structure. Here is another link on the topic: @airhuff Is the point of ventilation included in your answer is just because more and more CO2 will accumulate and the reaction will slow down? All other trademarks and copyrights are the property of their respective owners. Looking at the O2s again, we now have a total of 2 O2s in the reactants side, and 3/2 on the products side. Are my scuba fins likely to be acceptable "personal items" for air travel? Fact Check: What Power Does the President Really Have Over State Governors? Regardless of the ambient air temperature, e.g. If it's heated to a sufficiently high temperature, will the reaction produce enough heat to sustain the full combustion reaction all the way to carbon dioxide even in air that's only 21 °C. How can solids undergo combustion if it only occurs in the gas phase? LOL - I'm not sure about that. What would cause a sudden drop in humidity in my home? In precombustion technologies, combustion is made using pure oxygen (up to 97% purity); however, a small amount of nitrogen and argon remains. How much of what sort of impurities does it contain? So, once you have initiated combustion by some means heating it to about $900\ \mathrm{^\circ C}$, it will continue to burn, primarily to $\ce{CO2}$. Is it possible to melt diamonds into a liquid? Acetylene (aka ethyne, C2H2) reacts with oxygen (O2) to make carbon dioxide (CO2) and water (H2O). How efficiently diamond combusts in air, in other words how much of the carbon is converted to $\ce{CO2}$ vs. $\ce{CO}$ and other partially oxidized carbon species is a function of a few different things. First, the activation energy for the combustion of diamond is only in the neighborhood of 150 – 250 kJ mol -1 : 1 much lower than the activation energy for conversion to graphite. Is it a single smooth "rock" or a finely ground powder? Of course a continuous air supply is required, what other conditions do we need to sustain? Chemistry Stack Exchange is a question and answer site for scientists, academics, teachers, and students in the field of chemistry. Why is a link in an email more dangerous than a link from a web search? {/eq}. spark. Device to power either a red LED or a green LED, Combining CSV and shapefile to find area name where stations are located. your example of $21\ \mathrm{^\circ C}$, you of course have to heat it to it's ignition temperature somehow, whether in a furnace, a flame, etc. Our experts can answer your tough homework and study questions. If so, does the reaction of carbon monoxide with oxygen occur fast enough to be perceived as smouldering or does it occur slowly enough to be perceived as flaming combustion? How to prevent even root users from uninstalling or tampering the application on macOS, Inverting lower triangular matrix in time n^2, Baby proofing the space between fridge and wall, Regions for numerically defined Toroidal surfaces. Why does this review of Star Trek IV include an image of Link from Legend of Zelda? Lasers are used to drill holes in diamonds of very specific sizes for wire drawing and such. The combustion of diamonds (Equation 2) allows for an easier “destruction” of diamonds than conversion to graphite (Equation 1) for a number of reasons. When heated to 700-800 degrees Celsius, diamonds, which area pure carbon, are oxidized by atmospheric oxygen. Festival of Sacrifice: The Past and Present of the Islamic Holiday of Eid al-Adha. The diamonds do not burst into flames though what would happen under pure pressurised oxygen I do not know. Consider the combustion of methane. MathJax reference. Balancing problem is now solved. It only takes a minute to sign up. © copyright 2003-2020 Study.com. Is the Coronavirus Crisis Increasing America's Drug Overdoses? This temperature is required to supply the activation energy Hexane (C6H14) reacts with oxygen (O2) to make carbon dioxide (CO2) and water (H2O). By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. Step 3: Think about your result . 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How efficiently ventilated is the system? These issues and other conditions of the combustion will determine the degree to which $\ce{CO}$ and other partially combusted carbon species are produced. About how much carbon monoxide is produced in these two different reations? The autoignition temperature is described in this Wikipedia article as: "...the lowest temperature at which it spontaneously ignites in normal Where should small utility programs store their preferences? The following is an example of what type of... A major component of gasoline is octane. What Is the Chemical Formula for a Diamond? Diamonds do not conduct electricity well and take on a crystalline form. I know charcoal can smoulder in an incomplete combustion to produce carbon monoxide so I assume diamond also can. And I suppose you want them to be gem quality ;) Check out. Complete combustion does NOT give carbon monoxide or soot. Summary. Metabolism of one mole of glucose, C6H12O6,... What does a combustion engine need for fuel? rev 2020.11.24.38066, Sorry, we no longer support Internet Explorer, The best answers are voted up and rise to the top, Chemistry Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. Soot does not have a structured form. The reaction is exothermic, which makes sense because it is a combustion reaction and combustion reactions always release heat. This reaction is highly exothermic, meaning that much heat is released - that is why hydrocarbons are often used as fuels. What molecules are produced in carbon arc lamp and how do they produce light? Many hydrocarbons (a class of organic compounds) undergo combustion to produce carbon dioxide and water only.