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22 February, 04:59

Chemical equation for heat of formation of c25h52

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  1. 22 February, 05:19
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    its exothermic. exothermic means the reaction gives out heat. [exo meaning outside and thermic meaning heat] because its a combustion reaction, fire is there meaning lots of heat.

    endothermic means it takes in heat. a good example is ammonium and water (NH3 + H20)

    most chemical reaction are exothermic
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