CHEMISTRY · Single correct · AP · Chemistry · Thermochemistry · Thermochemistry
Problem
Consider the following reactions :
(1) ΔH3 is more negative than ΔH1 and ΔH2
(2) ΔH1 is less negative than ΔH2
(3) ΔH1,ΔH2 and ΔH3 are negative whereas ΔH4 is positive.
(4) ΔH1 and ΔH3 are negative whereas ΔH2 and ΔH4 are positive.