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9 xx 10^(22) atoms of Ar and n moles of ...

`9 xx 10^(22)` atoms of Ar and n moles of `O_(2)` are kept in a vessel of capacity 5L at 1 atm and `27^(@)C` .
(Consider `N_(A)=6 xx 10^(23), R=0.0821 L atm "mol"^(-1)K^(-1))` :
If all the `O_(2)` in vessel , then:

A

moles of gas remain same

B

molecules in vessel remain same

C

pressure in vessel remain same

D

total atoms in vessel remain same

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • 9 xx 10^(22) atoms of Ar and n moles of O_(2) are kept in a vessel of capacity 5L at 1 atm and 27^(@)C . (Consider N_(A)=6 xx 10^(23), R=0.0821 L atm "mol"^(-1)K^(-1) ) : Find the mass of O_(2) in vessel:

    A
    17 gm
    B
    3.4 gm
    C
    1.7 gm
    D
    34 gm

  • n mol of N_(2) and 0.6 mol of Ar are enclosed in a vessel of capacity 2L at 1 atm and 27^(@)C ?

    A
    0.3
    B
    0.1
    C
    0.03
    D
    0.06

  • n mol of N_2 and 0.05 mol of Ar are enclosed in a vessel of capacity 2 L at 1 atm and 27^@ C . Find 1. (R = 0.082 L atm mol^(-1) K^(-1) )

    A
    `0.30`
    B
    `0.10`
    C
    `0.039`
    D
    `0.06`

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