Energy Change in Reactions - Page 11

Questions
  • The temperature of a sample of water increases from 20.0 to 46.6 degrees C as it absorbs 5650J of thermal energy. What is the mass of the sample?
  • How to calculate energy for 30g Copper Penny to go from 25 degrees C to 100 degrees C in boiling water?
  • How much energy is needed to raise the temperature of 500g of water from 0 degrees C to 100 degrees C?
  • What energy change is observed?