Three bulbs are filled with CH4, CO2 and Ne as shown in the picture. The bulbs are connected through pipes of zero volume. When the stopcocks are…

Question

Three bulbs are filled with CH4, CO2 and Ne as shown in the picture. The bulbs are connected through pipes of zero volume. When the stopcocks are opened and the temperature is kept constant throughout, the pressure of the system is found to be______ atm. (Nearest integer).

MARKS Content Team · Accepted Answer

Correct answer: 3. The total number of moles remains constant. n_1+n_2+n_3=n_f n_1,n_2, n_3 moles of gases in the individual containers. n_f is resultant moles. Using ideal gas equation PV=nRT, we van write as P_1V_1/RT+P_2V_2/RT+P_3V_3/RT=P_fV_f/RT P_1V_1+P_2V_2+P_3V_3=P_fV_f 2×2+4×3+3×4=P_f×9 P_f=28/9≈3

Three bulbs are filled with CH₄, CO₂ and Ne as shown in the picture. The bulbs are connected through pipes of zero volume. When the stopcocks are opened and the temperature is kept constant throughout, the pressure of the system is found to be______ atm. (Nearest integer).

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