Physics, 25.12.2019 17:31 live4dramaoy0yf9
Two moles of helium gas initially at 438 k and 0.44 atm are compressed isothermally to 1.61 atm. find the final volume of the gas. assume that helium behaves as an ideal gas. the universal gas constant is 8.31451 j/k · mol.
Answers: 3
Physics, 22.06.2019 10:30
Arunner is training for an upcoming marathon by running around a 100-m-diameter circular track at constant speed. let a coordinate system have its origin at the center of the circle with the x-axis pointing east and the y-axis north. the runner starts at (x, y) = (50 m, 0 m) and runs 2.5 times around the track in a clockwise direction.
Answers: 1
Physics, 22.06.2019 14:30
A10nc charge sits at a point in space where the magnitude of the electric field is 1500 n/c. what will the magnitude of the field be if the 10 nc charge is replaced by a 20 nc charge? assume the system is big enough to consider the charges as small test charges.
Answers: 1
Physics, 22.06.2019 18:30
Arailroad car collides with and sticks to an identical railroad car that is initially at rest. after the collision, the total kinetic energy of the two cars is a) the same as before. b) half as much as before. c) one third as much as before. d) one fourth as much as before. e) twice as much as before.
Answers: 1
Two moles of helium gas initially at 438 k and 0.44 atm are compressed isothermally to 1.61 atm. fin...
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