Water (2690 ) is heated until it just begins to boil. If the water absorbs 5.29×105 of heat in the process, what was the initial temperature of the water?express answer in Celsius.

Answer 1

q = m x Cg x (Tf - Ti)
where Tf=100 degree Celsius (boiling point of water)

find Ti.

http://www.ausetute.com.au/heatcapa.html

Answer 2

You can't work this problem without units.