ThermochemistryHard
Question
Which of the following reaction(s) is/are endothermic?
Options
A.N2(g) + O2(g) → 2NO(g)
B.CaCO3(s) → CaO(s) + CO2(g)
C.2CO(g) + O2(g) → 2CO2(g)
D.C2H4(g) + H2(g) → C2H6(g)
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