Answer to Question #319367 in General Chemistry for Davzz

Question #319367

300 j of heat added to a system and 250 j of work is added by the system. what is the change in internal energy by the system?

Expert's answer

From the first law of thermodynamics we know that,

ΔU=q+W

In this case, q = 300 J, W = 250 J

∴ΔU=300+ 250= 550J

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