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If a gas occupies a container of volume 146 cm3 at 18°C and 0.971 atm,...

Chemistry
JAMB 1990

If a gas occupies a container of volume 146 cm3 at 18°C and 0.971 atm, its volume in cm3 at s.t.p is?

  • A. 133
  • B. 146
  • C. 266
  • D. 292
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Correct Answer: Option A
Explanation

V1 = 146cm3 T1 = 273 + 118 = 291 k

P1 = 0.971 atmosphere

V2 = ? T2 = 273K P2 = 1 atom

V2 = (0.971 atom χ 146cm3 χ 273k)/(1atm χ 291k) = 132997 0r = 133cm3

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