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6

When air is compressed?

  • A. its density decreases
  • B. it solidifies
  • C. its temperature decreases
  • D. its temperature increases
  • E. its temperature remains unchanged
View Answer & Discuss (15) JAMB 1981
7

50 cm\(_3\) of gas was collected over water at 10ºC and 765 mm Hg. Calculate the volume of the gas at s.t.p. if the saturated vapour pressure of water at 10ºC is 5mm Hg

  • A. 49.19 cm 3
  • B. 48.87 cm 3
  • C. 48.55 cm 3
  • D. 48.23 cm 3
View Answer & Discuss (9) JAMB 2012
8

If the volume of a given mass of gas at 298 K and pressure of 205.2 x 10\(^3\) Nm\(^{-2}\) is 2.12dm\(^3\), what is volume of the gas at s.t.p? (Standard pressure = 101.3 x 10\(^3\) Nm\(^{-2}\), Standard temperature = 273K)

  • A. 39.3dm 3
  • B. 22.4dm3
  • C. 4.93dm3
  • D. 3.93dm3
  • E. 0.393dm3
View Answer & Discuss (5) WAEC 1992
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9

Boyle's law can be expressed mathematically as

  • A. V \(\alpha\) T (P constant)
  • B. P \(\alpha\) V (T constant)
  • C. P \(\alpha\) T
  • D. V \(\alpha\) 1 / p(T constant)
  • E. V1/T1 = / T2
View Answer & Discuss (5) WAEC 1997
10

Which of the following statements about intermolecular distances and cohesive forces between gas is correct? They are

  • A. Both large
  • B. Both negligible
  • C. Constant and negligible
  • D. Large and negligible
View Answer & Discuss (7) WAEC 2015
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