How much heat is transferred from the water

Reference no: EM13242552

1. Air in a balloon does 59 J of work while absorbing 75 J of heat. What is its change in internal energy?

2. A bottle containing 2 kg of water at a temperature of 15°C is placed in a refrigerator where the temperature is kept at 5°C. How much heat is transferred from the water to cool it to 5°C?

Reference no: EM13242552

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