The volume of a given mass of gas at 27 o C and 800 mmHg
PHYSICS
WAEC 2013
The volume of a given mass of gas at 27oC and 800 mmHg is 76cm2. Calculate its volume at s.t.p
- A. 100.0 cm3
- B. 72.8 cm3
- C. 60.0 cm3
- D. 36.4 cm3
Correct Answer: B. 72.8 cm3
Explanation
\(V_2 = \frac{P_1V_1T_2}{P_2T_1} = \frac{800 \times 76 \times 273}{760 \times 300}\)
= 72.8cm3
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