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Is burning octane exothermic or endothermic?
Burning octane is an exothermic reaction because it releases energy in the form of heat and light as it reacts with oxygen to form carbon dioxide and water.
Are bubble forming in a soda an example of exothermic reaction?
No, the formation of bubbles in a soda is not an example of an exothermic reaction. It is actually a result of a physical process called carbonation, where carbon dioxide gas is dissolved in the liquid under pressure.
How does the combination of endothermic and exothermic reactions help us use engery from the sun?
The combination of endothermic and exothermic reactions plays a crucial role in photosynthesis, where plants absorb sunlight (endothermic process) to convert carbon dioxide and water into glucose and oxygen. This stored chemical energy in glucose can then be released through exothermic reactions during cellular respiration, providing energy for growth and development. By coupling these reactions, plants efficiently harness solar energy and convert it into a usable form for themselves and other organisms in the ecosystem.
Are all thermal decomposition reactions endothermic in nature?
Yes, but rather: 'most of all' combination reactions are exothermic. This is mostly true for spontaneous, common reactions.Examples of the contrary endothermic reactions, though rare, are:The formation reaction (= combination 'pur sang') of ethene, propene, acetylene, and even benzene is endothermic, when combined out of elements (that's why they are called endothermic compounds). Further a lot of metal hydride's, chlorous oxide: ClO2 are endothermic.The most Exceptional Endothermic Compound is:Dicyanoacetylene, IUPAC-name: but-2-ynedinitrile, C4N2 (or more structural: NC-CC-CN)Standard heat of formation Ho298 ( 4C + N2 --> ) is 500.4 kJ/molBecause of its high endothermic heat of formation, it can explode to carbon powder and nitrogen gas (reversed formation reaction, exo. 500.4 kJ/mol).It burns in oxygen with a bright blue-white flame at a temperature of 5260 K, which is probably the hottest flame of any chemical.
Why methane is exothermic?
Methane is exothermic because when it reacts with oxygen to form carbon dioxide and water, energy is released in the form of heat. This reaction releases more energy than it takes to break the bonds in the reactants, leading to a net release of energy.
Is burning alcohol endothermic or exothermic?
When something burns it gives off heat. Therefore, it is exothermic.
Is production of sugar in photosynthesis exothermic and endothermic?
yes it is because you absorb carbon dioxide and water to produce sugar in photosynthesis.
Is reducing lead oxide with carbon to produce lead endothermic or Exothermic?
The reduction of lead oxide with carbon to produce lead is an exothermic reaction. This is because energy is released in the form of heat during the formation of lead from lead oxide and carbon.
Is burning octane exothermic or endothermic?
Burning octane is an exothermic reaction because it releases energy in the form of heat and light as it reacts with oxygen to form carbon dioxide and water.
Which of the following is true about photosynthesis A. It is an exothermic reaction B. It is an endothermic reaction C. It produces carbon dioxide D. It occurs in animals?
Photosynthesis is an endothermic process.
Is dry ice exothermic?
Dry ice sublimation (changing from solid to gas) is an endothermic process because it requires heat energy to break the intermolecular forces holding the solid together. However, when dry ice sublimates in an enclosed space, it can release cold temperatures and feel cold to the touch, but this is due to the removal of heat energy from the surrounding environment, not due to an exothermic reaction.
Is the combustion of propane endothermic or exothernic?
In the presence of excess oxygen, propane burns to form water and carbon dioxide. When not enough oxygen is present for complete combustion, incomplete combustion occurs when propane burns and forms water, carbon monoxide, and carbon dioxide.
Is calcium carbonate being heated into calcium oxide and carbon dioxide endothermic or exothermic?
The reaction of calcium carbonate being heated into calcium oxide and carbon dioxide is an endothermic reaction because it requires the input of energy to break the bonds in the calcium carbonate molecule and form the products.
Is a candle a endothermic or exothermic change?
exothermic- because exothermic gives off heat and endothermic is cold
Is citric acid and sodium hydrogen carbonate endothermic or exothermic?
The reaction between citric acid and sodium hydrogen carbonate is typically exothermic, meaning it releases heat. This is why it's commonly used in bath bombs to create a fizzing reaction and release carbon dioxide gas.
Is photosynthesis an exothermic or endothermic reaction?
Yes photosynthesis is a endergonic process i.e. energy-requiring process.
When Natural gas is burned in a furnace is it endothermic or exothermic?
When natural gas is burned in a furnace, it undergoes an exothermic reaction, which means it releases heat. The combustion of natural gas produces carbon dioxide, water vapor, and heat energy as byproducts.
