Answers Chemistry The Ideal Gas Law — QuizQuestion 2

2

QuizMultiple Choice

The Ideal Gas Law — Quiz

Question 2 • Chemistry

Which law relates to the ideal gas law?

Answer

A

cap p sub 1 n sub 1 is equal to cap p sub 2 n sub 2

B

the fraction with numerator cap p sub 1 and denominator cap v sub 1 is equal to the fraction with numerator cap p sub 2 and denominator cap v sub 2

C

the fraction with numerator cap v sub 1 and denominator n sub 1 is equal to the fraction with numerator cap v sub 2 and denominator n sub 2

D

cap p sub 1 cap t sub 1 is equal to cap p sub 2 cap t sub 2

Explanation

The ideal gas law is PV = nRT. If pressure and temperature stay constant, volume is proportional to the amount of gas, so V/n remains constant: V₁/n₁ = V₂/n₂. This is Avogadro’s law, represented by choice C.

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