The root-mean-square speed (thermal speed) for a certain gas at 100 degree C is 0.500 km/s. If the temperature of the gas is now increased to 200 degree C, the root-mean-square(thermal) speed will be closest to 563 m/s. 1000 m/s 634m/s 707 m/s 804 m/s

Explanation:

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a.) travels faster in solids because the particles are closer together.

air is a gas water is a liquid

there is no correct list among the choices you've provided.

the list might look something like this:

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