1.A household uses 10 therms of natural gas per month in a gas furnace for heating at a cost of $1.00/therm. For an electric heating system the cost of electricity is $0.10/kwh. Compare the cost of the electric heater to deliver the same energy as the natural gas furnace.
2.Devise an absolute temperature scale where the boiling point of water at 1 atmosphere (101 kPa) pressure = 100 degrees in your scale What is the ice point of water in your scale?