Physics 0625 · IGCSE · Thermal properties and temperature

Thermal properties and temperature — practice question

Thermal energy is transferred to water in a beaker at a rate of $3000\,\text{W}$. The water is already at its boiling point. The specific latent heat of vaporisation of water is $2260\,\text{J g}^{-1}$. How long does it take for $250\,\text{g}$ of the water to vaporise?

  • A$12\,\text{s}$
  • B$188\,\text{s}$
  • C$332\,\text{s}$
  • D$750\,\text{s}$

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI