Question

2h2+o2 gives 2h2o +heat​

Answer 1

Answer:

2H2O2(l)⟶2H2O(l)+O2(g)2H2O2(l)⟶2H2O(l)+O2(g) 

If heat of formation of H2O2(l)H2O2(l)and H2O(l)H2O(l) are - 188 & - 286 KJ/mol respectively : -

+ 196 KJ/mol