Latent Heat (VCE SSCE Chemistry): Quizzes

📚Quizzes
Latent Heat
Sign up to keep practising.Create a free account to play more quizzes and track your progress.

Practise the questions

10 questions from this quiz

Show

What does the word 'latent' mean in the term latent heat?

Hidden

Why does temperature stay constant during a phase change?

Energy breaks bonds, not kinetic energy

What is water's latent heat of fusion?

6.0 kJ mol16.0 \text{ kJ mol}^{-1}

What is water's latent heat of vaporisation?

40.7 kJ mol140.7 \text{ kJ mol}^{-1}

Why does vaporisation require more energy than fusion?

All hydrogen bonds must break

Which formula calculates energy during phase changes?

q=n×Lq = n \times L

How much energy evaporates 5.05.0 mol of water at 100°C100°\text{C}?

204 kJ204 \text{ kJ}

Why is water's latent heat much higher than hydrogen and oxygen?

Water has strong hydrogen bonds

How does sweating cool the body?

Water absorbs 40.740.7 kJ/mol evaporating

How does high latent heat help ocean temperature stability?

Reduces excessive evaporation

Explore VCE SSCE Chemistry Revision Notes by Topics

Explore VCE SSCE Chemistry Model Answers by Topics

Explore VCE SSCE Chemistry Flashcards by Topics

Explore VCE SSCE Chemistry Exam Questions by Topics

Join 100,000+ SSCE students studying Quizzes with us.

Select your subjects, and get access to A+ resources today.