How much heat is required to raise the temperature of 20 g of water from 22°C to 80°C?
How much heat is required to raise the temperature of 20 g of water from 22°C to 80°C? The answer should be in calories. Please help thx.
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1160 calories
80-22=58
58x20=1160
20 °C calorie cal20 ≈ 4.182 J the amount of energy required to warm one gram of air-free water from 19.5 °C to 20.5 °C at standard atmospheric pressure
atmospheric pressure is variable