1.

which of the following represents heat of formation of the product:(1)2/3O3(g)---->O2(g)(2)NH4^+(g)+Cl^-(g) ---->NH4Cl(s)(3)1/2H2(g) +aq---->H^+(aq)(4)P4+5O2(g)---->P4O10(S)

Answer» which of the following represents heat of formation of the product:
(1)2/3O3(g)---->O2(g)
(2)NH4^+(g)+Cl^-(g) ---->NH4Cl(s)
(3)1/2H2(g) +aq---->H^+(aq)
(4)P4+5O2(g)---->P4O10(S)


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