combustion reactions

Question

lovelyharmonics · Answer

What is always true of a combustion reaction?

 water will always be one of the products

 the reaction releases a large amount of energy

 one reactant must contain hydrogen

 carbon dioxide is one of the reactants

lovelyharmonics · Answer

i think it a. im just not positive because i believe they also release alot of energy as well

eric_d · Answer

the reaction releases a large amount of energy

eric_d · Answer

Combustion is an exothermic reaction, so it releases heat

lovelyharmonics · Answer

i couldhave sworn my teacher said all combustion reactions produce water .-.

ganeshie8 · Answer

http://www.iun.edu/~cpanhd/C101webnotes/chemical%20reactions/combustion.html

eric_d · Answer

hydrocarbon reacts with water to produce carbon dioxide and water during combustion

lovelyharmonics · Answer

i love the fact that they use pictures in that link XD

lovelyharmonics · Answer

I knew i was right about the water thingy though c:

lovelyharmonics · Answer

but heat takes place in both of em, so that makes sense c:

ganeshie8 · Answer

:) last equation is not releasing water

so i go with @eric_d ...

lovelyharmonics · Answer

yeah c: