Question

Anthracite coal, 1.0 g, produces 7.000 x 103
cal when burned. How many joules of energy does
this represent? How many grams of anthracite are required to raise the temperature of 4.0 L of
water from 20.0 o
C to 100.0 o
C?

Anthracite coal, 1.0 g, produces 7.000 x 10° cal when burned. How many joules of energy does
this represent? How many grams of anthracite are required to raise the temperature of 4.0 L of
water from 20.0 °C to 100.0 °C?
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Transcribed Image Text

Anthracite coal, 1.0 g, produces 7.000 x 10° cal when burned. How many joules of energy does this represent? How many grams of anthracite are required to raise the temperature of 4.0 L of water from 20.0 °C to 100.0 °C?