What will be the change in energy for the following reaction?H2(g)+F2 – McqOptions

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1.	What will be the change in energy for the following reaction?H2(g)+F2(g)→ 2HFGiven: To break one mole of H2, energy absorbed is 436 kJ. To break one mole of F2, energy absorbed is 158 kJ. To form one moles of HF, energy released is 568 kJ.
A.	542KJ
B.	-542KJ
C.	26 KJ
D.	-26 KJ
Answer» C. 26 KJ

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