A mixture of two gases A and B, exists at pressure p1, volume V, andpressure T1, Gas A is subsequently removed from the mixture in a constant-volume process. The remaining gas B is found to have a pressure p2. volume V,and temperature T2. Express the ratio of the number of moles of gas B to thenumber of moles of gas A in the original sample in terms of the given pressure,volume, and temperatures.C) P172-P2T2P2T1P2T1VD)(P1-P2)T2P2 T1A)P1 T2-P2 T1P2 T2B)P1 T1

Given: The pressure and temperature of the mixture is p1 and T1. The pressure and temperature of gas B is P2 and T2. The expression for the ideal gas is, PV=nRT Here n is the number of moles of gas and R is the gas constant. The ideal gas expression for the mixture is, p1V=(nA+nB)RT1nA=p1VRT1-nB Here nA and nB are moles of gas A and B. The expression for the moles of gas B is, nB=P2VRT2The expression for the ratio of moles is, nBnA=P2VRT2p1VRT1-P2VRT2=P2T1p1T2-P2T1 Thus, option (A) is correct.

Engineering

Mechanical Engineering

A mixture of two gases A and B, exists at pressure p1, volume V, pressure T1, Gas A is subsequently removed from the mixture in a constant- volume process. The remaining gas B is found to have a pressure p2, volume and temperature T2. Express the ratio of the number of moles of gas B to the number of moles of gas A in the original sample in terms of the given pressur volume, and temperatures. P2 T1 P2 T2 P1T2-P2T2 P2T1V B) D)

A mixture of two gases A and B, exists at pressure p1, volume V, pressure T1, Gas A is subsequently removed from the mixture in a constant- volume process. The remaining gas B is found to have a pressure p2, volume and temperature T2. Express the ratio of the number of moles of gas B to the number of moles of gas A in the original sample in terms of the given pressur volume, and temperatures. P2 T1 P2 T2 P1T2-P2T2 P2T1V B) D)

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Properties of Pure Substances

A substance with fixed chemical composition throughout is called a pure substance like water, air, and nitrogen. A pure substance does not have to be a single element or compound. A mixture of two or more phases of a pure substance is also a pure substance as long as the chemical composition is the same for all phases. These substances mainly have a constant/ uniform composition. The substances also have fixed boiling and melting points. A pure substance takes part in a chemical reaction to form predictable products.

Question

A mixture of two gases A and B, exists at pressure p1, volume V, and
pressure T1, Gas A is subsequently removed from the mixture in a constant-
volume process. The remaining gas B is found to have a pressure p2. volume V,
and temperature T2. Express the ratio of the number of moles of gas B to the
number of moles of gas A in the original sample in terms of the given pressure,
volume, and temperatures.
C) P172-P2T2
P2T1
P2T1V
D)
(P1-P2)T2
P2 T1
A)
P1 T2-P2 T1
P2 T2
B)
P1 T1

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