Question 1 Parts A to G

Part A Part D Part G The pV diagram in (Figure 1) shows a cycle of a heat engine that uses 0.250 mole of an ideal gas having y = 1.60. The curved part ab of the cycle is adiabatic. The internal energy of the gas changes Find the pressure of the gas at point a. How much heat leaves this gas in a cycle? by the following amounts: AUa +b = -3340 J. What is the thermal efficiency of the engine? Express your answer in pascals. AUbee = -1770 J, and AUc-+ = +5110 J. Express your answer in joules. Express your answer as a percentage. AEd AEd AEd ? Pa = 1.69 . 10' Pa Qc 9% Submit Previous Answers Request Answer Submit Request Answer Submit Request Answer X Incorrect; Try Again; 19 attempts remaining Part E At what point in the cycle does heat leave the gas? Part B O b-+c How much heat enters this gas per cycle? O c-ta Express your answer in joules. O a-+b IVO AEd Submit Request Answer Figure QH Part F P (atm) Submit Request Answer How much work does this engine do in a cycle? Express your answer in joules. a Part C DAL AEd At what point in the cycle does heat enter the gas? W = 1.5 O c-ta Submit Request Answer 0 0.0020 - V (m') O bec 0.0090 O a-+bPart A If the engine receives 6.20 kJ of heat energy from the reservoir at 510 K in each cycle, how many joules per cycle does it reject to the reservoir at 300 K ? A Carnot engine is operated between two heat reservoirs at temperatures of 510 K and 300 K Express your answer in joules. For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of A Carnot engine AEd Qc = 2552.943 J Submit Previous Answers Request Answer * Incorrect; Try Again; 18 attempts remaining Part B How much mechanical work is performed by the engine during each cycle? Express your answer in joules. AEd W = Submit Request Answer Part C What is the thermal efficiency of the engine? Express your answer as a percentage. AEd FOE ? e=