NAME____________________
PERIOD_________
Honors Chemistry
Calorimetry Worksheet
1.
How many Joules are needed to change 20g of water from 30 to 80 degrees C?
2. How many Joules of energy are given off when 50 grams of water are cooled from 65-50
degrees Celsius?
3. How many grams of water do you have if you add 3000 Joules and the temperature of the water
increases by 15 degrees Celsius?
4. How much energy is required to completely vaporize 200g of water at 100 degrees Celsius?
5. If 2000 Joules are added to 50 grams of water. How many degrees Celsius will the water
change?
6. How many Joule of energy are released when 50g of water freezes?
7. How many joules of energy are required to change 100g of water from solid to liquid?
8. If 4000 Joules are added to water at 25 degrees Celsius, and the temperature increases by 8
degrees, what was the mass of water you started with?
9. How much energy is released when 150g of water condenses?
10. What would the new temperature of the water be if 2000 Joules are added to 500 grams of
water at 20 degrees Celsius?