Question

15. Calculate the standard enthalpy change in KJ/
mol for the
reaction: H2 (g) + O2 (g) ---> H2O2 (g). given that bond enthlpies
of H-H, O=O, O-H, and O-O in KJ/mol are 438, 498, 464 and 138. *
0 -130
0 65
0 130
O 334
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Answer:

nahi aata but important question hai koi is ka correct answer bata dena please