definite mass of a gas is kept in a closed cylinder A.
suppose gas is transferred to the other cylinder B without changing the temperature. is there any change in the number of molecules ?
what happens to pressure when the volume is decreased?
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Answer:
The molecular weight (molar mass) of any gas is the mass of one particle of that gas multiplied by Avogadro’s number (6.02 x 1023).
Knowing the molar mass of an element or compound can help us stoichiometrically balance a reaction equation.
The average molar mass of a mixture of gases is equal to the sum of the mole fractions of each gas (xi) multiplied by the molar mass (Mi) of that particular gas:
¯
M
=
∑
i
x
i
M
i
Explanation:
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