Chemistry

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Here is the picture I am given:
h ttp://imageshack.us/photo/my-images/209/diatomics.png/
This is supposed to be at a constant temperature, the hint says it's endothermic because energy is used to break the bonds. I believe it is a constant volume so w = 0 since it's endothermic is q positive? and that would make Esurroundings negative?
I am supposed to find:
wsystem:
qsystem:
Esurroundings:

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