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Q: When 229 J of energy is supplied as heat at constant pressure to 3.0 mol Ar(g) the temperature of…
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A: Given-> Cp,m = 7/2R T1= 25°C = 25 + 273 = 298 K T2= 135°C = 135 + 273 = 408 K P1= 1.50 atm P2=…
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Q: At 1 atm, how much energy is required to heat 79.0 g H,O(s) at – 18.0 °C to H,O(g) at 157.0 °C? Use…
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Q: The constant-pressure heat capacity of a sample of a perfect gas was found to vary with temperature…
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Q: 2. A7.0 x 102 mol sample of Kr (g) expands reversibly and isothermally at 373 K from 5.25 mL to 6.29…
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Q: At low temperatures the heat capacity of Ag(s) is found to obey the Debye law Cp,m = aT3, with a =…
A: Given: a=1.956×10-4 J K-4 mol-1 Debye law Cp,m= aT3 To find: Sm(10K) -Sm(0) for silver
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Debye theory of the lattice heat capacity of solids. Rewrite Co (12m*kN/5)(T/O)³, 3 272 for a cube with side L C, 5 hc,L kO hc, (6 N)½, where
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- At low temperatures the heat capacity of Ag(s) is found to obey the Debye law Cp,m = aT3, with a = 1.956 × 10−4 J K−4 mol−1. Determine Sm(10 K) − Sm(0) for silver.Two iron bolts of equal mass—one at 100.°C, the other at 55°C—are placed in an insulated container. Assuming the heatcapacity of the container is negligible, what is the final tempera-ture inside the container (c of iron =0.450 J/g.K)?The heat capacity ratio of an ideal gas is 1.38. What are its Cv and Cp values?
- Suppose an Olympic diver who weighs 52.0 kg executes astraight dive from a 10-m platform. At the apex of the dive,the diver is 10.8 m above the surface of the water. (a) Whatis the potential energy of the diver at the apex of the dive,relative to the surface of the water? (b) Assuming that all thepotential energy of the diver is converted into kinetic energyat the surface of the water, at what speed, in m/s, will thediver enter the water? (c) Does the diver do work on enteringthe water? Explain.For CO_2 how would the theoretical ratio of C_p (heat capacity at constant pressure)/ C_v (heat capacity at constant volume) be affected if the molecule were nonlinear, such as SO_2, instead of linear? Could you decide between these two structures from the C_p/C_v ratio alone?Calculate the molar heat capacity at constant pressure (Cp) for a diatomic H2 gas(y = 1.41) with molar heat capacity at constant volume (Cv) of 20.42 J/mol-K?
- The specific heat capacities of Li(s), Na(s), K(s), Rb(s),and Cs(s) at 25°C are 3.57, 1.23, 0.756, 0.363, and0.242 J K-1 g-1 , respectively. Compute the molar heatcapacities of these elements and identify any periodictrend. If there is a trend, use it to predict the molar heatcapacity of francium, Fr(s).One mole of gas expands isothermically to double its volume. If the gas temperature is 340 K, what energy is absorbed? (Round your answer to the nearest whole number.)1.3 The ground level of Cl is 2P3/2 and a 2P1/2 level lies 881 cm-1 there above. Calculate the electronic contribution to the heat capacity of Cl atoms at 500 K.
- When 229 J of energy is supplied as heat at constant pressure to 3.0 mol Ar(g) the temperature of the sample increases by 2.55 K. Calculate the molar heat capacities at constant volume and constant pressure of the gas.The ground level of Cl is 2P3/2 and a 2P1/2 level lies 881 cm−1 above it. Calculate the electronic contribution to the heat capacity of Cl atoms at (i) 500 K and (ii) 900 K.Calculate the work done by a gas w hen it expandsthrough (a) 1.0 cm3, (b) 1.0 dm3 against an atmospheric pressure of 100 kPa . What work must be done to compress thegas back to original state in each case?