# Chemistry/physics

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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....

• Chemistry/physics -

Use temperature.

• Chemistry/physics -

• Chemistry/physics -

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

• Chemistry/physics -

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.

• Chemistry/physics -

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"

• Chemistry/physics -

http://hyperphysics.phy-astr.gsu.edu/Hbase/kinetic/kintem.html

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