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Chemistry Past Questions and Answers

Post Utme Chemistry Questions

Question 416:

Convert -173°C to kelvin.

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A 200 K
B 173 K
C 273 K
D 100 K

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Question 417:

A gas occupies 8 dm³ at 200 K. Determine the volume at 600 K.

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A 32 dm³
B 12 dm³
C 16 dm³
D 24 dm³

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Question 418:

Why does gas pressure increase when volume decreases?

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A Particles lose mass rapidly
B Collisions become more frequent
C Temperature becomes zero
D Molecules stop moving

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Question 419:

A gas occupies 12 dm³ at 300 K. Calculate the volume at 450 K.

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A 15 dm³
B 24 dm³
C 30 dm³
D 18 dm³

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Question 420:

A gas occupies 60 cm³ at pressure 12 atm. Find the volume at 3 atm.

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A 300 cm³
B 240 cm³
C 180 cm³
D 120 cm³

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