How many calories of heat must be added to 75 grams of water at 20 degrees to become 100 degree of steam? Please answer ASAP it’s due today by 11pm. I would appreciate it if you could answer by today. Thanks in advance.

The experiment done in lab is repeated, using a ball that has unknown mass m. you plot your data in the form of f 2 versus m/l, with f in rev/s, m in kg, and l in m. your data falls close to a straight line that has slope 3.19 m/(kg · s2). use g = 9.80 m/s2 and calculate the mass m of the ball.