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Ideal Gas Equation

If you know t...

Question

If you know the temperature, volume, and pressure of a gas, how would you rearrange the ideal gas equation to find the number of moles?

Divide

P V

T

only

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Multiply

P V

R

only

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Divide

P V

by both

T

and

R

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Divide

P V

n

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Multiply

P V

by both

T

and

R

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Solution

The correct option is B Divide $P V$ by both $T$ and $R$
The ideal gas equation is
$P V = n R T$
The number of moles $n = \frac{P V}{R T}$
Hence, to find the number of moles, divide $P V$ by both $T$ and $R$ .

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If you know the temperature, volume, and pressure of a gas, how would you rearrange the ideal gas equation to find the number of moles?

The correct option is B Divide PV by both T and RThe ideal gas equation is PV=nRTThe number of moles n=PVRTHence, to find the number of moles, divide PV by both T and R.

The correct option is B Divide $P V$ by both $T$ and $R$
The ideal gas equation is
$P V = n R T$
The number of moles $n = \frac{P V}{R T}$
Hence, to find the number of moles, divide $P V$ by both $T$ and $R$ .