1. The force between two 7.11x10^-4 C charges that are 7.11 meters apart is ____N.

2. The amount of heat released when 3.5 grams of steam at 100 degrees celsius is converted into liquid water at 100 degrees celsius is______J.

3. Determine the number of calories needed to change 27g of water at 25 celsius into steam at 100 celsius.

4. You need to add _____J of heat to raise the temperature of 100 grams of water by 14 degrees celsius.

Report answer to 2 decimal places.