Pure ethane is burned completely in 20% excess air. Air is supplied at 250C, 740 torrs and is substantially dry. Calculate: a. Orsat analysis of the products of combustion b. Kg dry air supplied/ kg of fuel gas c. Cubic meters of air/ kg ethane

1:02 AM ll Verizon 99%- Done 4. The enthalpy of vaporization of water at 100 °C is 2256.9 kJ/Kg. Assuming an average heat capacity for liquid water and heat capacity of vapor calculate the heat of vaporization at 25 °C. At 25 °C the vapor pressure of water is 23.756 mm Hg.

3 Having just invented a new type of calorimeter, Dr. Campbell needs to determine the heat capacity of the calorimeter.  She carries out the following experiment to do this: She puts 20.0 grams of water in her empty calorimeter and it is allowed to stabilize at a temperature of 25.0ºC.  She then adds 35.586 grams of water at a temperature of 83ºC to the calorimeter.  After a few minutes the final temperature of the calorimeter stabilizes at 47.8ºC.   Based on this experiment, what is the heat capacity of her calorimeter assuming units of J/ºC? Enter your answer with at least 3 sig figs.

ll Verizon 99% 1:01 AM Done 3. A vessel containing 50 liters of saturated steam at 150 °C is cooled down to 25 °C. Using data from steam tables, determine the final mass and volume of the liquid water in the vessel. Calculate how much heat needs to be removed