Asked by No Name

would you classify 2C(s) + H2(g) ---> C2H2(g) +227.4 as endothermic or exothermic? Why?
Answered by DrBob222
Look at the equation. If it is forming C2H2 PLUS 227.4 (whatever units that you didn't copy) it is GIVING OFF HEAT so it must be exothermic.
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