To what temperature should the hydrogen at 327°C be cooled at constant pressure, so that the root mean square velocity of its molecules become half of its previous value

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Questions Match

1.
To what temperature should the hydrogen at 327°C be cooled at constant pressure, so that the root mean square velocity of its molecules become half of its previous value

1. – 123°C2. 123°C3. – 100°C4. 0°C

2.
A tennis ball is released from height h above ground level. If the ball makes inelastic collision with the ground, to what height will it rise after third collision, e is the coefficient restitution between ball and ground?

1. he62. e2h3. e3h4. None of these

To what temperature should the hydrogen at 327°C be cooled at constant pressure, so that the root mean square velocity of its molecules become half of its previous value