How much heat is needed to boil 45 grams of water at 100°C?

Question

Avah Combs

Chemistry

12 October, 03:00

How much heat is needed to boil 45 grams of water at 100°C?

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Kyra Contreras · Answer 1

Depends how much water and the temperature of the water. To heat 1 mL of water by 1 degree C 1 cal of energy (4.184 Joules) is required. Assuming that the water is at 25 degrees C, to boil one litre (liter) of water you would require 75,000 cal or 313.8 kJ.