Physics, 31.07.2019 12:30 kenken2583
If we mechanically expand a gas into a larger volume, while keeping the temperature constant, what happens to the pressure? a. the pressure increases, and we can precisely predict by how much. b. the pressure remains unchanged. c. the pressure decreases, and we can precisely predict by how much.
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What would the difference of spectral lines emitted by hydrogen gas in distant galaxies which is normally found at a wavelength of 21 cm on earth, be observed at 21.1 centimeters?
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The graph represents the distance a car travels over time while on the highway. which statement about the car's trip is accurate? a) the car does not move over time. b) the car travels at a constant velocity. c) the car's velocity increases constantly over time. d) the car's velocity decreases constantly over time.
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Which symbol in the first law of thermodynamics represents the sum of the chemical and thermal energy stored in atoms and molecules? a. q b.w c.v d.u
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If we mechanically expand a gas into a larger volume, while keeping the temperature constant, what h...
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