Two gases occupy two containers A and B; the gas in A, of volume $$0.10$$ $$m3$$, exerts a pressure of $$1.40$$ MPa and that in B, of volume $$0.15$$ $$m3$$, exerts a pressure $$0.7$$ MPa. The two containers are joined by a tube of negligible volume and the gases are allowed to intermingle. Then if the temperature remains constant, the final pressure in the container will be (in$$ $$MPa)

Question

Infinity Learn · Accepted Answer

As the quantity of gas remains constant, μ$$A+$$μ$$B=$$μ     $$PAVART+PBVBRT=PVA+VBRT$$     $$P=PAVAVA+VB=1.4$$×$$0.1+0.7$$×$$0.150.1+0.15$$⇒ $$P=0.98MPa$$

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