Heating water

5 kg of water warmed up by 10°C. How much heat did the water absorb?
(Remember that 1kg of water needs 4,200J of heat to raise its temperature by 1°C.)

Correct answer:

Q =  210 kJ

Step-by-step explanation:

m=5 kg Δt=10 °C c=4200 J/kg/  Q1=m c Δt=5 4200 10=210000 J  Q=Q1 kJ=Q1:1000  kJ=210000:1000  kJ=210 kJ=210 kJ



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