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2 marksKinetic Theory

CAPE Chemistry Unit 1 · 2007 · Paper 2 · Question 4(b)(i)

State the conditions of temperature and pressure under which gases deviate from ideality.

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Other parts of this question

  1. 4(a)(i)State TWO properties of an ideal gas.[2 marks]
  2. 4(a)(ii)Use the ideal gas equation to calculate the number of moles of gas produced in an air bag of volume 40.0 dm³ at a pressure of 2.0 x 10² KPa and a temperature…[5 marks]
  3. 4(a)(iii)Given that the mass of gas produced in the air bag is 90.0 g, use the answer from (a)(ii) to calculate the molar mass of the gas and suggest its identity.[2 marks]
  4. 4(a)(iv)Write the equation for the decomposition of NaN₃.[2 marks]
  5. 4(b)(ii)Describe the property of the gas molecules that is responsible for the deviation from ideality.[2 marks]

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