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1. |
What will be the change in energy for the following reaction?
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A. | nGiven: To break one mole of H<sub>2</sub>, energy absorbed is 436 kJ. To break one mole of F<sub>2</sub>, energy absorbed is 158 kJ. To form one moles of HF, energy released is 568 kJ. |
B. | 542KJ |
C. | -542KJ |
D. | 26 KJ |
E. | -26 KJ |
Answer» C. -542KJ | |