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2026 /
Quiz 3

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MDCAT Practice Test - Practice Test - Chemistry - Gases - 2026 Quiz

Attempt 10 MCQs on MDCAT Practice Test - Practice Test - Chemistry - Gases (Year 2026) | Quiz 3

21. If a gas at 2 atm and 10 L is compressed to 5 L at constant T, new pressure is?

4 atm
1 atm
0.5 atm
2 atm

22. What volume will be occupied at 1.0 atm if initial is 300 mL at 1.5 atm?

450 mL
200 mL
600 mL
300 mL

23. Calculate new pressure when volume changes from 40 L to 100 L at 2.5 atm initial.

1.0 atm
2.0 atm
0.5 atm
1.5 atm

24. What is the shape of the V vs P graph for Boyle's law?

Hyperbola
Straight line
Exponential curve
Parabola

25. What remains constant in isothermal compression of an ideal gas?

PV remains constant
PV increases
PV decreases
PT constant

26. What volume at 1520 torr if at 760 torr it is 1 L?

0.5 L
0.25 L
1 L
2 L

27. Estimate volume change with pressure using Boyle's law.

4.05 L
2.02 L
1.01 L
8.10 L

28. Why does pressure increase when volume decreases (Boyle's law)?

Collision frequency increases
Collision frequency decreases
Average speed increases
Temperature increases

29. What does Boyle's law predict for PV product?

PV is constant
PV increases with P
PV decreases with P
PV is zero

30. Calculate new pressure after expansion from 6 L to 12 L at 4 atm initial.

2.0 atm
1.0 atm
3.0 atm
8.0 atm

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