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Determine which of the following sets of data satisfy the first law of thermodynamics? (Recall that...

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Mechanical Engineering

Determine which of the following sets of data satisfy the firstlaw of thermodynamics? (Recall that E = total energy = U + KE +PE)

a. W = 50 kJ Q = 170 kJ DeltaE = 120 kJ

b. W = 100 Btu Q = -110 Btu DeltaE = -210 Btu

c. W = 250 kJ Q = -110 kJ DeltaE = -100 Wh

d. W = 44 kPa-m3   Q = -84 kPa-m3 DelatE = 40 kN-m

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The first law of thermodynamics is an application of the law of conservation of energy which states that the    See Answer
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