PhysicsEasy251×since 2002Q7531100g100g100g of water is heated from 30∘C{30^ \circ }C30∘C to 50∘C{50^ \circ }C50∘C. Ignoring the slight expansion of the water, the change in its internal energy is (specific heat of water is 418441844184 J/kg/KJ/kg/KJ/kg/K):A8.48.48.4 kJkJkJB848484 kJkJkJC2.12.12.1 kJkJkJD4.24.24.2 kJkJkJCheck answerSkip