A chemical reaction occurs in a piston. The resulting gas formation expands the piston exerting 130J....

Question

Question

Answer 1

Answer #1

Work done in expansion is taken as negative,

So, w = - 130 J

Heat absorbed = q = 225 j

Using first law of thermodynamic

∆E = q + w = 225 - 130 = 95 J

Answer is (B)

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Answer 2

Answer #2

96 J lolololololololololo

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answered by: anonymous

Answer 3

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