The graph drawn between pressure and temperature at constant volume for a given mass of different molecular weights M1 and M2are the straight lines as shown in the figure then
A
M2>M1
B
M1>M2
C
M1=M2
D
M13=M2
Medium
Open in App
Updated on : 2022-09-05
Solution
Verified by Toppr
Correct option is B)
From ideal gas equation, PV = nRT = MwRT Slope of P-T curve = MVwR Since V = constant and w = constant, we get that the slope is inversely proportional to molecular weight Steeper the line, more is slope, less is molecular weight. So, M1>M2
Solve any question of Thermal Properties Of Matter with:-