Physics, 05.05.2020 23:00 jcross11nate
A piston-cylinder device initially contains 0.6 kg of H2O with a volume of 0.1 m3. The mass of the piston is such that it maintains a constant pressure of 700 kPa. The cylinder is connected through a valve to a supply line that carries steam at 4.0 MPa and 500 °C. Now the valve is opened and steam is allowed to flow slowly into the cylinder until the volume of the cylinder doubles and the temperature in the cylinder reaches 200 °C, at which point the valve is closed. Determine:(a) The mass of steam that has entered the cylinder;(b)The amount of heat transfer.
Answers: 3
Physics, 22.06.2019 16:40
On your wedding day your lover gives you a gold ring of mass 3.67 g. 48 years later its mass is 3.44 g. on the average how many atoms were abrated from the ring during each second of your marriage? the atomic mass of gold is 197 u. don't enter units
Answers: 1
Physics, 22.06.2019 18:30
Ben (55kg) is standing on very slippery ice when junior (25kg) bumps into him. junior was moving at a speed of 8 m/s before the collision and ben and junior embrace after the collision. find the speed of ben and junior as they move across the ice after the collision. give the answer in m/s. describe the work you did to get the answer.
Answers: 1
Physics, 23.06.2019 01:00
First answer marked as brainiest which is the correct equation describing the first law of thermodynamics? a) when the internal energy of a system changes, it equals the amount of heat added plus the work done. b) when work is done by the piston, it is equal to the heat added plus the change in internal energy of the system. c) when heat is added to the system, it is equal to the amount of work done by the piston plus the change in internal energy of the system.
Answers: 2
A piston-cylinder device initially contains 0.6 kg of H2O with a volume of 0.1 m3. The mass of the p...
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