What is the efficiency of the engine

Reference no: EM13996432

1. m a calorimeter, a 140-gram aluminum container is initially at 18.0 ^oc. 150 grams of water at 90.0 ^oC is added to the container. What is the final temperature of the water and the container when the system reaches equilibrium? (specific heat of water = 4186 J/kg ^oC, specific heat of aluminum = 900 K/kg. ^oC)

2. An engine goes through a cyclic process. In the process, the engine does 700 J of work and has a heat output of 2200 J. What is the efficiency of the engine?

Reference no: EM13996432

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