A andy m Guest Jan 13, 2009 #1 This problem is a little confusing: The heat of combustion for a sample of coal is 23 kj/g. What quantity of this coal must be burned to heat 500 g of water from 20 degrees to 90 degrees (70 degrees)?
This problem is a little confusing: The heat of combustion for a sample of coal is 23 kj/g. What quantity of this coal must be burned to heat 500 g of water from 20 degrees to 90 degrees (70 degrees)?
