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14 November, 06:17

How does a sample of helium at 15 °C compare to a sample of helium at 215 K?

The helium at 15 °C has a higher average kinetic energy than the sample at 215 K.

The helium at 15 °C has lower nuclear energy than the sample at 215 K.

The helium at 15 °C has slower-moving atoms than the sample at 215 K.

The helium at 15 °C has smaller atoms than the sample at 215 K.

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  1. 14 November, 06:19
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    The answer is: The helium at 15 °C has a higher average kinetic energy than the sample at 215 K.

    215 K is equivalent to - 58.15 °C. Temperature is directly proportional to average kinetic enegry, so 15 °C has a higher average kinetic energy than the sample at - 58.15 °C or 215K.
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