waec model questions vol1 2024 physics
Objective • Question 15
Question 15
WAEC_MODEL_QUESTIONS_VOL1
•
2024
A container holds 2 kg of gas at a pressure of 300 kPa and a volume of 0.5 m³. If the gas is compressed to a volume of 0.25 m³ while maintaining the temperature constant, calculate the new pressure of the gas using Boyle's Law. Discuss the implications of this change in pressure.
Answer Options
A.
450 kPa; The gas molecules are closer together, increasing collision frequency.
B.
750 kPa; The gas molecules are further apart, decreasing collision frequency.
Correct Answer
C.
600 kPa; The gas molecules are closer together, increasing collision frequency.
D.
300 kPa; The gas molecules remain at the same distance, maintaining collision frequency.
Correct Answer
C
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