Question:medium

How much heat is required to raise the temperature of $ 2 \, kg $ of water from $ 20^\circ C $ to $ 80^\circ C $? (Specific heat capacity of water = $ 4200 \, J/kg^\circ C $)

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Tip: Make sure to use consistent units and identify the temperature change correctly.
Updated On: Nov 26, 2025
  • \(504000 \, J\)
  • \(50400 \, J\)
  • \(126000 \, J\)
  • \(168000 \, J\)