Consider the partition function Z =E - Bha r+ . Calculate the specific heat of the system. %3D (a) ke Bho 1-e (b) k Bhw (c) ke-Bho 1-e -Bho Bho (d) ke Bha 1+e
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- A given star is a sphere with a radius of 6.02x108 m and an average surface temperature of 6380 K. Determine the amount by which the star's thermal radiation increases the entropy of the universe each second. Assume that the star is a perfect blackbody, and that the average temperature of the rest of the universe is 2.73 K. Do not consider thermal radiation absorbed by the star from the rest of the universe. Number i UnitsWhat are the surface energy and work function at room temperature (25C), 250C and 300C for the following metal sheets of 10 mil each. Niobium, Tungsten, Tantalum, Rhenium, Ruthenium, Platinum, Aluminum, Stainless Steel (304, 316) . Surface energy is sometimes referred to surface tension. Work Function is a math extension of the surface tension and apparently refers to surface energy. There appears to be a lack of uniform definitions in the academic field regarding each of these definitions. Please clarify if possible.P A 9. Suppose a tank contains 680 m3 of neon (Ne) at an absolute pressure of 1.30 x 105 Pa. The temperature is changed from 292 K to 315 K. What is the increase in the internal energy of the neon? J 1 n Z @ 2 W S #3 H command E D $ 4 R G Search or type URL do 5 % T G MacBook Pro < 6 B Y H & 7 N U J * 00 8 M 1 + K ( 9 H < I ( O -0 L command P V . I : ; D option { [ ? | + 11 11
- A monoatomic ideal gas is taken through the cycle A → B → C → A shown in the figure. If we know that the internal energy of the monoatomic ideal gas remains constant during the process B → C, what must be the pressure pC at point C in terms of the original pressure p0? Express the work WBC done by the gas during the process B → C in terms of p0 and V0. Express the heat QBC flowing into the gas during the process B → C in terms of p0 and V0.Problem 11: A diatomic ideal gas goes through the cycle a → b → c → d → a as shown in the figure. Processes ab and cd are isothermal and occur at temperatures TH = 390 K and TC = 288K, respectively. There are n = 45 moles of this gas in the system, and the initial volume is Va = 0.079 m3. Calculate the total work W done in the entire cycle, in joules.A process at constant volume pressure takes n mole rigid diatomic from an initial temperature T to a final temperature 3T. Calculate the change in internal energy, AU. Select one: a. O b. O c. AU b. AU 3n RT = O d. 5n RT = AU = 7nRT d. AU = 9n RT
- An ideal gas has been subjected transformations AB and BC (see pic/link) Find the change in the inner energy during the whole transformation (AB+BC), if the change in volume is 1 m3.What is the internal energy of 1 L of oxygen gas at room temperature?The molar specific heat at constant pressure of an ideal gas is (7/2)R. The ratio of specific heat at constant pressure to that at constant volume is (a) 7/5 (b) 8/7 (c) 5/7 (d) 9/7
- The molar heat capacities at constant volume of Ne and N2 at 298 K are 12.47 J mol-1 K1 and 20.79 J mol-1 K-1 respectively. Give an explanation of these values based on statistical mechanics.I need help solving number 11. In question 1, they say U=(3/2)PV I found work on the gas as -3/2PV, so therefore Q should be 6/2PV but the answer key says 6PV.Consider the composite system, which is held at 298 K, shown in the following figure. Assuming ideal gas behavior, calculate the total pressure and the partial pressure of each component if the barriers separating the compartments are removed. Assume that the volume of the barriers is negligible. O O O O O O O O O O O O ©2019 Pearson Education, Inc. O O O He 2.00 L 1.50 bar boo Ne 3.00 L 2.50 bar Xe 1.00 L 1.00 bar