When a hot object is in contact with a cold object, or there is a temperature difference between different regions of an object, heat will transfer from the hot side to the cold
side through a process called

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.

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tony (lordcaos066)

if you mean hydrogen and oxygen then water is the product

i think its 100.

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