# Chemistry/physics

Are there two ways of calculating the average kinetic energy of a molecule?

Ik that 1/2mv^2 works
but for this problem, i don't know the mass or the velocity....

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asked by Rachel
1. Use temperature.

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2. instead of what?

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posted by Rachel
3. average KE of a molecule is a function of temperature, that relation is in your book. The exact function depends on the type of molecule.

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4. The question is calculate the average kinetic energy of CH4 molecules in a sample of CH4 gas at 263K. What formula should i use when you say "use temp"

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posted by Rachel
5. http://hyperphysics.phy-astr.gsu.edu/Hbase/kinetic/kintem.html

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6. concrete road is put down, black asphalt strips are placed sections of the concrete?

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