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.

Question

Chemistry

Ariel

1 April, 01:14

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.

+5

Answers (1)

Know the Answer?

Naomi Christensen · Answer 1

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.