I think I have made no mistake then too why my answer is not

Last updated: 7/4/2023

I think I have made no mistake then too why my answer is not matching with answer key Please help me 3 102 00 9 2 g of toluene C Hg is completely burnt in air The difference in heat change at constant pressure and constant volume at 27 C is 1 2 5 kJ 2 2 5 kJ 3 Zero 4 0 50 kJ For the reaction P Q 3YAH nCPAT PUENGAT AH AU NAT CP C a Load pat tznate to ex ZMATR 10 21x300x25