According to the law of conservation of energy, which changes would
increase the total energy of a system?
A. An addition of 400 J of GPE and a loss of 250 J of thermal energy
B. An addition of 100 J of thermal energy and a loss of 450 J of
kinetic energy
C. An addition of 200 J of kinetic energy and a loss of 250 J of
thermal energy
D. An addition of 300 J of thermal energy and a loss of 450 J of
kinetic energy
Answers: 1
Physics, 22.06.2019 12:30
An ice-making machine inside a refrigerator operates in a carnot cycle. it takes heat from liquid water at 0.0 degrees celsius and rejects heat to a room at a temperature of 19.2 degrees celsius. suppose that liquid water with a mass of 76.3kg at 0.0 degrees celsius is converted to ice at the same temperature. take the heat of fusion for water to be l_f = 3.34*10^5 j/kg.how much energy e must be supplied to the device? express your answer in joules.
Answers: 1
Physics, 22.06.2019 13:30
6–43 a food department is kept at 2128c by a refrigerator in an environment at 308c. the total heat gain to the food department is estimated to be 3300 kj/h and the heat rejection in the condenser is 4800 kj/h. determine the power input to the compressor, in kw and the cop of the refrigerator.
Answers: 2
According to the law of conservation of energy, which changes would
increase the total energy of a...
Health, 25.09.2019 10:30
Mathematics, 25.09.2019 10:30
Chemistry, 25.09.2019 10:30
Mathematics, 25.09.2019 10:30
Mathematics, 25.09.2019 10:30
Mathematics, 25.09.2019 10:30
Social Studies, 25.09.2019 10:30
Physics, 25.09.2019 10:30
Mathematics, 25.09.2019 10:30
Mathematics, 25.09.2019 10:30
Chemistry, 25.09.2019 10:30
Mathematics, 25.09.2019 10:30
Physics, 25.09.2019 10:30
Mathematics, 25.09.2019 10:30