Temperature of an ideal gas is T K and average kinetic energy is E -2-07 - 10-23 TJoule - molecule- Number of molecules in 1 litre gas at S-T-P- will be A- 2-68 - 1022B- 2-68 - 1025C- 2-68 - 1028D- 1-68 - 1022

The correct option is A As we know that at S.T.P. 22.4 litre of gas contains 6.023 × 10^23 molecules ∴ 1 litre of gas contain 6.023 × 10^23/22.4=2.68× 10^2 ...

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Standard XII

Chemistry

Work Done in Isothermal Reversible Process

Temperature o...

Question

Temperature of an ideal gas is T K and average kinetic energy is $E = 2.07 \times 10^{- 23}$ TJoule /molecule. Number of molecules in 1 litre gas at S.T.P. will be

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Solution

The correct option is A

As we know that at S.T.P. 22.4 litre of gas contains $6.023 \times 10^{23}$ molecules
$∴$ 1 litre of gas contain $\frac{6.023 \times 10^{23}}{22.4} = 2.68 \times 10^{22}$ molecules.

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Temperature of an ideal gas is T K and average kinetic energy is E=2.07×10−23 TJoule /molecule. Number of molecules in 1 litre gas at S.T.P. will be

The correct option is A As we know that at S.T.P. 22.4 litre of gas contains 6.023×1023 molecules ∴ 1 litre of gas contain 6.023×102322.4=2.68×1022 molecules.

Temperature of an ideal gas is T K and average kinetic energy is $E = 2.07 \times 10^{- 23}$ TJoule /molecule. Number of molecules in 1 litre gas at S.T.P. will be

The correct option is A

As we know that at S.T.P. 22.4 litre of gas contains $6.023 \times 10^{23}$ molecules
$∴$ 1 litre of gas contain $\frac{6.023 \times 10^{23}}{22.4} = 2.68 \times 10^{22}$ molecules.