2 NO2(g) + 114 kJ = 2 NO(g) + O2(g)
A The reaction is exothermic.
B The products have less enthalpy than the reactants.
C The products have an enthalpy loss.
D The sign of ΔH for the reaction is negative.
E The enthalpy of the products exceeds that of the reactants.
Which statement concerning the following reaction is correct?
2010-09-24 12:44 pm
回答 (1)
2010-09-24 2:04 pm
✔ 最佳答案
E ΔHtotal= ΔHproducts - ΔHreactants = +114 kJ
ΔHproducts = +114 kJ + ΔHreactants
so ΔHproducts > ΔHreactants
收錄日期: 2021-04-15 15:23:42
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