CATES UI Work to the system. What is the change in energy 3. What is the...

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science chemistry

Answer 1

Answer #1

DeltaU = Q + W

Q = heat absorbed = 0.615kJ = +0.615kJ (+ve when heat is absorbed) = 615J

W = 0.247calories = 0.247*4.184J = 1.03J = -1.03J (negative when work is done on the system)

Delta U = 615J + (-1.03J) = 613.9Joules = 0.614kJ

Change in Energy = 0.614kJ

Answer 2

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