The velocity V of a gas is related to its mass ... - JAMB Chemistry 2019 Question
The velocity, V of a gas is related to its mass, M by (k = proportionality constant)
A
V = \(\frac{k}{M}\)
B
V = \(\frac{k}{M^{\frac{1}{2}}}\)
C
V = \(kM^2\)
D
V = \((\frac{k}{M})^{\frac{1}{2}}\)
correct option: b
Recall:
V = \(\sqrt{\frac{3RT}{M}}\)
\(\therefore V \propto \frac{1}{\sqrt{M}}\)
\(V = \frac{k}{\sqrt{M}}\)
V = \(\frac{k}{M^{\frac{1}{2}}}\)
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