The Heat of Combustion of Bituminous Coal Is 2 $\times$ 10⁴ J/g

question 125

Multiple Choice

The heat of combustion of bituminous coal is 2.50 $\times$ 10⁴ J/g.What quantity of the coal is required to produce the energy to convert 106.9 pounds of ice at 0.00°C to steam at 100.°C? specific heat (ice) = 2.10 J/g°C
Specific heat (water) = 4.18 J/g°C
Heat of fusion = 333 J/g
Heat of vaporization = 2258 J/g

• A)5.84 kg
• B)0.646 kg
• C)0.811 kg
• D)4.38 kg
• E)1.46 kg

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