below. (c) Determine the work done on the gas when going from state A to state B through the path shown with the green arrows. (d) At point C, p = 150 kPa, and V = 0.1 m3. Determine the temperature at point C if the temperature is 677 K at point A. (). Pc= 150k Pa = 150 *103 pa TA - 677 k dJ. n = icus TC = PEVC Problem 11.01 Thermal Properties of Matter How much heat energy must be added to a 6.0-cm-diameter copper sphere to raise its temperature from -50 C to 150 Density of copper: p = 8960 kg/m3 Specific heat of copper: c = 385 J/kg/K Problem 11.02 Specific Heat The volume of a gas is halved during an adiabatic compression that increases the pressure by a factor of 2.5. a ) . Piv : " = PfVfr Pf = 2 5 Pi VF = = Divi = 25Pile. (a) What is the specific heat ratio y? V = 1.322. (b) By what factor does the temperature increase? V 2 = = = 1.25 Problem 11.03 Work and Heat in Thermodynamic Processes The diagram below shows two sets of processes that take the system from point A to point B.(a) Determine the work done, heat transfer and total change in thermal energy for the first set: isobaric expansion followed by isochoric cooling. (b) Determine the work done, heat transfer and total change in thermal energy for the second set: isochoric cooling followed by isobaric expansion. # 194 409000 350000 300000 250000 200000 150600 100000 6.2 Hint: "Point A" and "Point B" refer to the starting point (p1, Vi) and the end point (p2, V2) of a process, respectively, where both (p1, V1) and (p2, V2) are to be inferred from the question itself. Problem 12.01 Root-Mean-Square Speed (a) What is the RMS speed of nitrogen at 20 C? Answer in units of m/s. Nitrogen gas: m = 28 amu (atomic mass units). nits of m/s. Helium gas: m = 4 amu