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  • For a particular gas in a cylinder of 10L, pressure of gas is 2 atm. If the pressure of gas decreases upto 50%, then find the volume (in L) of gas at constant temperature.

For a particular gas in a cylinder of 10L, pressure of gas is 2 atm. If the pressure of gas decreases upto 50%, then find the volume (in L) of gas at constant temperature.

Option: 1

20


Option: 2

24


Option: 3

18


Option: 4

15


Answers (1)

best_answer

Conditions we have given,
n = constant and T = constant
Now,
P_1=2atm and V_1=10L
P_2=2-(\frac{2\times50}{100})=1atm

Now, for  V_2  we will use the Boyle’s law as given below
\Rightarrow P_1V_1=P_2V_2
\Rightarrow 2\times10=1\times V_2
\Rightarrow V_2=20L
Therefore, Option(1) is correct

Posted by

Gaurav

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