Skip to content

Course home

Changes of state

Changes of state

EasyMedium
123456789101112131415
Question 5

Energy is needed to change liquid ethanol into vapor.

Calculate the energy needed to vaporize 3 kg of liquid ethanol at its boiling point.

Specific latent heat of vaporization of ethanol = 8.46 × 105 J/kg.

A

25.38 J25.38\text{ J}25.38 J

B

2538 J2538\text{ J}2538 J

C

2538000 J2538000\text{ J}2538000 J

D

2538000000 J2538000000\text{ J}2538000000 J

Markscheme

Changes of state Questions

  1. GCSE
  2. /Physics
  3. /Changes of state

27 exam-style questions on OCR GCSE Physics Changes of state. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank