Flask A contains 500 mL of water at 25 degrees Celsius and flask B contains 250 mL of water at 50 degrees Celsius. Which flask has a higher heat content? Explain your choice.

2 answers

change temp to kelvins, and you immediatly know the answer:

Heat available: mass*tempinKelvins

to get kelvins, add 297 to degrees C.
to get Kelvins you add 273 to C NOT 297