Activity 1 - Measuring the electric power output Table 1 Initial Mass of Fuel Burner (9) 94.58 9 Final Mass of Fuel Burner (9) $1 . 75 9 Total Time Elapsed (s) 1482 5 Table 2 Resistor Value (1) Voltage (V) 20 0 0.72 V 75 0 1 . 95 5 V 100 0 2. 5 56 V 470 0 3.824 V 1 kQ 4, 5 53 V 10 kQ 4. 772 V 100 kQ 4. 6 75V 470 kQ y. 9 49 V 1 MQ 4 , 8 0 4 V Open Circuit (no load) 4. 37 2 V1. From your results in Table 1 of your lab procedure: a. Calculate the rate of alcohol consumption of your burner in kg per second. b. Using the energy density of 95% alcohol by volume (the correct energy density is 24 MegaJoules/kg) , calculate Pfuel, the total heating power generated by your fuel burner. 2. From your results in Table 2 of your lab procedure a. Plot your measured generator voltage as a function of resistance using a log base 10 scale on the x axis. b. Plot calculated generator power as a function of resistance using a log base 10 scale on the x axis. c. For the resistor that produced the maximum generator power, calculate the maximum overall efficiency for the conversion of chemical energy to electrical energy for your Stirling engine/generator setup. d. Compare your result for question 2c. in this lab for the conversion efficiency of chemical to electrical energy to your result for question 2d. in Homework #3 for conversion efficiency of chemical to mechanical energy. Explain your result