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  • 12-12-2022
  • Chemistry
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Burning 1.0 kg of anthracite coal releases 30,500 kJ of heat. Calculate the mass of coal required to heat 4.0 kg of water from 20ºC to its boiling point of 100ºC. (Specific heat capacity of water = 4.184 J/g°C)

A. 26.4 g
B. 112 g
C. 43.9 g
D. 37.1 g
E. 72.7 g
F. 16.2 g

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