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At 1 atm and 273 K the volume of nitroge...

At 1 atm and 273 K the volume of nitrogen gas required to cover a sample of silica gel, assuming Langmuir monolayer adsorption , is found to be `1.30 cm^(3)g^(-1)` of the gel. The area occupied by a nitrogen molecule is `0.16nm^(2)`. Find out the no. of surface sites occupied per molecule of `N_(2)`.

Text Solution

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The correct Answer is:
`5653.8` `M^(2) g^(-1)`
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AT STP the volume of nitrogen gas required to cover a sample of silica gel, assuming Langmuir monolayer adsorption, is found to be 1.3^30^1 of the gel. The area occupied by a nitrogen molecule is 0.1 0^2 What is the surface area per gram of silica gel? [Given N_A =6 diamond ^2 ]

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Knowledge Check

  • At 1 atm and 273 K the volume of nitrogen gas required to cover a sample of silica gel, assuming Langmuir monolayer adsorption , is found to be 1.30 cm^(3)g^(-1) of the gel. The area occupoied by a nitrogen molecule os 0.16nm^(2) . Find out the no. of surface sites occupied per molecule of H_(2) .

    A
    `5.568 m^(2)g^(-1)`
    B
    `3.34 m^(2) g^(-1)`
    C
    `1.6 m^(2) g^(-1)`
    D
    none of these

  • At STP the volume of nitrogen gas required to cover a sample of silica gas, assuming larngmulr monolayer adsorption is found to be 1.30 gcm^(-2) g^(-1) of the gel. The area occupied by a nitrogen molecule is 0.16nm^(2) . What is the surface area per gram of silica gel ?

    A
    `5.568m^(2)g^(-1)`
    B
    `3.48m^(2)g^(-1)`
    C
    `1.6m^(2)g^(-1)`
    D
    None of these

  • At 1 atm and 273 Kthe volume of nitrogen gas required to cover a sample of silica gel, assuming Langmuir monolayer adsorption, is found to be 1.30 cm^(3) g^(-1) of the gel. The area occupied by a nitrogen molecule is 0.16 nm^(2) ? What is the surface area per gram of silica gel? Given: N_(A)=6xx10 mol^(23)

    A
    `5.568 m^(2)g^(-1)`
    B
    `3.48 m^(2)g^(-1)`
    C
    `1.6 m^(2) g^(-1)`
    D
    None of these

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    The volume of nitrogen gas Um (measured at STP) required to cover a sample of silica get with a mono-molecular layer is 129 cm^(3) g^(-1) of gel. Calculate the surface area per gram of the gel if each nitrogen molecule occupies 16.2 xx 10^(-20) m^(2).

    The volume of nitrogen gas at 0^(@)C and 1.013 bar required to cover a sample of silica gel with unimolecular layer is 129 cm^(3) g^(–1) of gel. Calculate the surface area per gram of the gel if each nitrogen molecule occupies 16.2 xx 10^(–20) m^(2) .

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