TopMyGrade

Home·Daily Problem

Daily Problem·Saturday, 7 June 2025Back to today

Multi-stage heating

GCSE · Physics · AQA · P3.5Specific latent heat (SLH): E = mL for melting (fusion) and boiling (vaporisation); plateaux on a temperature–time graph

Question

Calculate the energy needed to heat 0.20 kg of water at 20 °C to steam at 100 °C. c_water = 4200, L_v = 2 260 000.

3 marks · take your time before peeking.

Sign up to try the next 30 problems

Save your streak, mark answers against the spec, and build a daily revision habit. Free during public beta — no card, no auto-renew.

Generated by TopMyGrade AI · cross-check official sources before relying on the mark-scheme phrasing.