Dalton\'s Law of Partial Pressure: Consider the following experiment: A&B;: 1 Li

Question

Dalton's Law of Partial Pressure: Consider the following experiment: A&B;: 1 Liter Gas A Lier di 300 System 2 system I In a l liter box we have Gas A, with a pressure of 300 torr. It is connected to another lliter box containing 300 torr of Gas B. A valve prevents the gases from mixing. When the valve is opened, the gases mix. Now each box contains Gas A and Gas B. The pressure in the whole system is 300 torr. 14. In System 1, does the box containing Gas A contain the same number of particles as the box holding Gas B? Explain why. 15. In System 2, does the first box contain the same number of particles as the second box? 16. What is the total volume ofsystem 2 (et the volume of the connecting tube be negligible.)

Explanation / Answer

Q14.

according to ideal gas law ratios

P1V1/(n1*T1) = P2V2/(n2*T2)

if P and T are constant

then

V1/n1 = V2/n2

so they are the same quantities, no need to know molar masses

Q15.

since

n1 and n2 are the same, then

avogrados numebr relate smoles to molecules, so it is also a constant

so the answer should be "they are the same" from:

Pleft*Vleft/(nleft * Tleft) = Prigh*Vright/(nright * Tright)

Q16

Vtotal = V1 + V2 = 300 + 300 = 600 l

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