The combustion of hydrogen gas in oxygen, is it an endothermic or exothermic process? write a chemical reaction for this process

exothermic process because the process of association of oxygen and hydrogen is taking place..

mine i add some sprinkles to it

oh and its pronounced asscream

not ice

in theory, limestone is composed principally of the compound calcium carbonate - caco3, but in reality this compound is deposited in conditions involving a number of other compounds as impurities so it ends up being a mixture of many compounds.

hope this : -)

tony (lordcaos066)