PhysicsChange of stateJAMB
How much heat changes 0.1 kg of water at 100 °C into steam? [specific latent heat of vaporisation = 2.26 × 10⁶ J/kg]
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Answer: B. 2.26 × 10⁵ J
Q = mL = 0.1 × 2.26 × 10⁶ J.
An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.