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Chemistry
4 L -atm is equal to
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Q. $ 4\, L $ -atm is equal to
MHT CET
MHT CET 2010
A
$ 40.50 \,cal $
B
$ 78.75 \,cal $
C
$ 95.23 \,cal $
D
$ 96 \,cal $
Solution:
$ \because 1 L - atm =101.266 \,J$
$ \therefore 4 L - atm =101.266 \times 4 \,J $
$=405.06 \,J$
$=\frac{405.06}{4.2}\, cal$
$[\because 1 \,cal =4.2 \,J ]$
$=96.4 \,cal$