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1 L atm is equal to ....

1 L atm is equal to ____ .

A

28.2 cal

B

202 cal

C

12.2 cal

D

24.2 cal

Text Solution

Verified by Experts

The correct Answer is:
D
Refer nature of heat and work.
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1 L atm=? J Given 1 atm = 101325 Pa

If 1.5 L of an ideal gas at a apressure of 20 atm expands isothermally and reversibly to a final volume of 15 L, the work done by the gas in L atm is:

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A certain mass of a gas is expended from [2 L, 20 atm, 300 K] to [5 L, 10 atm, 320 K] against a constant external pressure of 5 atm. If heat capacity of the gas is 100J//^(@)C then enthalapy change of the process will be : [1 atm lit. = 100 J]

Knowledge Check

  • For which of the following equations is the enthapy change at 25^(@)C and 1 atm equal to DeltaH_(f)^(@)(CH_(3)OH,l)

    A
    `CO(g)+2H_(2)(g)rarrCH_(2)OH(l)`
    B
    `CO(g)+4H(g)+O(g)rarrCH_(3)OH(l)`
    C
    `CO(g)+4H(g)+O(g)rarrCH_(3)OH(l)`
    D
    `C` (graphite) `+2H_(2)(g)+(1)/(2)O_(2)(g)rarrCH_(3)OH(l)`

  • 1 L atm=? J Given 1 atm = 101325 Pa

    A
    101.325 J
    B
    10.1325 J
    C
    1013.25 J
    D
    10132.5 J

  • If 1.5 L of an ideal gas at a apressure of 20 atm expands isothermally and reversibly to a final volume of 15 L, the work done by the gas in L atm is:

    A
    69.09
    B
    34.55
    C
    `-34.55`
    D
    `-69.09`
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