Question

Which law relates to the ideal gas law?
A) P1T1 = P2T2
B) P1/V1 = P2/V2
C) P1V1 = P2V2
D) T1/V1 = T2/V2

Answer 1

answer : option (C) & (D)

explanation : we know ideal gas equation is $\boxed{PV=nRT}$.

where P is pressure, V is volume , n is number of mole , R is universal gas constant and T is temperature in Kelvin.

if V, n = constant,

then, $P\propto T$

e.g., $\frac{P_1}{P_2}=\frac{T_1}{T_2}$

if T, n = constant

then, PV = constant.

e.g., $P_1V_1=P_2V_2$

if P, n = constant

then, $V\propto T$

e.g., $\frac{V_1}{V_2}=\frac{T_1}{T_2}$

$\implies\frac{T_1}{V_1}=\frac{T_2}{ V_2}$

from above explanation it is clear that option (C) and (D) follow ideal gas law.

Answer 2

The answer is:

C) P1V1 = P2V2