The Specific Heat of Water Is 4 $\degree$ C the Heat Needed to Warm 8 Kg of Water

question 43

Multiple Choice

The specific heat of water is 4.2 kJ/kg $\degree$ C. The heat needed to warm 8 kg of water from 20 $\degree$ C to 70 $\degree$ C is

• A) 400 kJ.
• B) 420 kJ.
• C) 1680 kJ.
• D) 2016 kJ.

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