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Heat transfer/calorimetry

Questions (3)

To vaporize 2.00 g of ammonia 656 calories are required. How many kilojoules are required to vaporize the same mass of ammonia?
1. 2 answers
2. asked by -
3. 49 views
New problem. Any assistance is greatly appreciated.22.5 ml of ethanol (density=0.789 g/ml) initially at 7.7 deg. C is mixed with
1. 2 answers
2. asked by Ben
3. 606 views
A 55.6g sample of water is cooled from 50 degrees C to 35.5 degrees C.How many calories released? How many kilocalories? How
1. 1 answer
2. asked by Anonymous
3. 475 views