H2P-661
Mean kinetic energy and temperature
H2 Physics · JC 2 · Easy · Mean kinetic energy and temperature
An ideal gas is kept at constant temperature. Its pressure is increased from 1.0 × 10⁵ Pa to 3.0 × 10⁵ Pa by slowly decreasing the volume. What happens to the r.m.s. speed of the gas molecules?
- It remains constant.
- It doubles.
- It increases by a factor of √3.
- It decreases to one-third of its original value.
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