When 1 0 kg of anthracite coal is burned about 7300 kcal is

Last updated: 7/4/2023

When 1 0 kg of anthracite coal is burned about 7300 kcal is evolved What amount of coal is required to heat 4 0 kg of water from room temperature 20 C to the boiling point at 1 atm pressure assuming that all the heat is available 320 g 32 g 44 g 440 g