1. | same as the pressure initially. |
2. | 2 times the pressure initially. |
3. | 10 times the pressure initially. |
4. | 20 times the pressure initially. |
As gas breaks, the number of moles becomes twice of initial, so n2=2n1.
Step 2: Apply the ideal gas equation.
Now, by the ideal gas equation, PV=nRT
P∝nT
The number of moles becomes twice of initial, so n2=2n1.
P1P2=n1T1n2T2⇒1×3002×3000
P2=20P1
Thus, the final pressure becomes 20 times the initial pressure.
Hence, option (4) is the correct answer.
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