J8. over several cycles, a refrigerator compressor does work on the refrigerant. this work is equivalent to a constant pressure of 413 × 105 pa compressing a circular piston with a radius of 0,.019 m a distance of 25.0 m. if the change in the refrigerant's internal energy is 0 j after each cycle, how much heat will the refrigerant remove from within the refrigerator?
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Physics, 22.06.2019 22:30
Calculate a pendulums frequency of oscillation (in hz) if the pendulum completes one cycle in 0.5s.
Answers: 1
Physics, 23.06.2019 04:31
The radioactive isotope of lead, pb-209, decays at a rate proportional to the amount present at time t and has a half-life of 3.3 hours. if 1 gram of this isotope is present initially, how long will it take for 80% of the lead to decay? (round your answer to two decimal places.)
Answers: 2
Physics, 23.06.2019 07:50
In a particular chemical reaction, the energy of the reactants is 30 kj and the energy of the products is 5 kj.
the maximum energy of the system is 40 kj. sketch a potential energy diagram for this reaction. make sure to label the energy of the reactants, the energy of the products, the activation energy, and the enthalpy change for the reaction.
Answers: 2
J8. over several cycles, a refrigerator compressor does work on the refrigerant. this work is equiva...
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