A. chemical
Physics, 31.10.2020 19:40 alexvane78
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A change in the size or shape of a substance is a change
A. chemical
B. physical
C. material
D. nuclear
Answers: 3
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Agas expands from an initial volume of 0.040 m^3 and an initial pressure of 210 kpa to a final volume of 0.065 m^3 while its temperature is kept constant. how much work is done by the system?
Answers: 1
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What is the magnitude of the gravitational force acting on the earth due to the sun?
Answers: 1
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Match each type of lever with the correct diagram. 1. first-class 2. third-class 3. second-class
Answers: 3
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Oxygen gas enters well-insulated diffuser at 25 lbf/in.2, 420r, with a velocity of 860 ft/s through a flow area of 1.6 in.^2. at the exit, the flow area is 12 times the inlet area, and the velocity is 19 ft/s. the potential energy change from inlet to exit is negligible. assuming ideal gas behavior for the oxygen and steady-state operation of the diffuser, determine the following: (a) the exit temperature, in r(b) the exit pressure, in lbf/in.^2 (c) the mass flow rate, in lb/s
Answers: 3
PLEASE HELP
A change in the size or shape of a substance is a change
A. chemical
A. chemical
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