Question

A real gas obeys boyle's law at
(i) high temperature and high pressure
(ii)high tempreature nd low pressure
(iii)low pressure and low pressure

Answer 1

high temperature and low pressure

Answer 2

A real gas obeys Boyle's law at high temperature and low pressure

• Boyle's law states that "the volume of a given mass of gas varies inversely with the pressure when the temperature is kept constant"
• An ideal gas is a gas that follows the ideal gas law: PV = nRT, where
  P = pressure
  V = volume
  n = amount of substance
  R = ideal gas constant
  T = temperature
• This means that ideal gas is a gas in which there is no attraction between the molecules usually
• Boyle's law is a special case of ideal gas law that has n, R, and T constant. Therefore, We get PV = a constant, and thus P is inversely proportional to V
• At low pressure and high temperature, gasses would behave like ideal gases. Hence, a real gas obeys Boyle's law at high temperature and low pressure

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