PVL2602 MCQ EXAM PACK 2026 FULL REVIEW QUESTIONS AND SOLUTIONS

PVL2602 MCQ EXAM PACK 2026 FULL REVIEW
QUESTIONS AND SOLUTIONS

◉ pressure. Answer: Force per unit area.


◉ Torcelli's Theorem. Answer: P=dhg


◉ atm to mmHg. Answer: 1 atm = 760 mmHg


◉ atm to bar. Answer: 1 atm = 1.01325 bar


◉ bar to Pa. Answer: 1 bar = 100,000 Pa


◉ Manometer. Answer: measures pressure of the gas versus
atmospheric pressuer


◉ what to do if the Pgas> Pats manometer. Answer:
Pgas=Patm+delta P


◉ what to do if Pgas<Patm. Answer: Pgas=Patm-deltaP


◉ Boyle's Law. Answer: P1V1=P2V2

,◉ Charle's Law. Answer: V1/T1=V2/T2


◉ equal number of moles occupy ( ) volume. Answer: equal moles,
equal volume


◉ Ideal gas equation. Answer: PV = nRT


◉ STP. Answer: 273.15 K and 1 bar


◉ standard molar volume. Answer: 22.7


◉ R value for atm. Answer: 0.08206


◉ R value for bar. Answer: 0.083145


◉ R value for Pa. Answer: 8.3145


◉ R value for KpA. Answer: 8.3145


◉ R value for joules. Answer: 8.3145

, ◉ gas law with Molar Mass. Answer: m=MPV/RT


◉ gas law with density. Answer: d=(MP)/(RT)


◉ how to find moles at STP. Answer: divide volume by 22.7


◉ P out of mean square velocity. Answer: P=(1/3)(N/V)mu^2


◉ um. Answer: most probable speed


◉ Uav. Answer: average speed


◉ Urms. Answer: root mean square speed


◉ average speed, root mean square speed, probable speed ORDER.
Answer: Um<Uav<Urms


◉ how is the rate of effusion proportional to gas. Answer: inversely
proportional to square root off the molar mass of the gas


◉ excluded volume. Answer: the volume occupied by non-ideal gas
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