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- The distance between downtown San Francisco and downtown Oakland is 9 miles. However, a car driving between the two points travels 12.3miles. Of these distances, which one is analogous to a state function? Why?The sublimation point of CO2 (solid) at 1 atm is -78.37oC and the enthalpy of sublimation(solid to vapor) is 3116 joule/mole. cp (CO2(solid))=50 joule/mole.K. and for cp CO2(g) lookat Appendix.5 gram CO2 gasis held at T=300/X oK in container for some times as represented below:CO2 (gas) at ToK ==➔Dry Ice (Solid CO2) at ToKCalculate:a) The enthalpy of deposition at ToKb) The entropy of deposition at ToK.c) The entropy change of surroundings at ToK. Assume surroundings behavereversibly. Surrounding temperature is ToKd) Entropy change and entropy produced of universe.e) Is this deposition process spontaneous? prove! At given temperature T. x=4.5The difference between heats of reaction at constant pressure and constant volume for the reaction:2C6H6(l) + 15O2(g) = 12CO2(g) + 6H2O(l) at 298K in kJ isA. -7.43 kJB. 3.72 kJC. -3.72 kJD. 7.43 kJ
- vo/index.html?deploymentld%355750828934189288909969212&elSBN=9781305657571&nbld%3D2199898&snapshotld... NDTAP Q Searc Quick Prep Use the References to access important values if needed for this question. A gas is compressed and during this process the surroundings do 97.3 J of work on the gas. At the same time, the gas loses 224 J of energy to the surroundings as heat. What is the change in the internal energy of the gas? Submit Answer 5 question attempts remainingcarbon disuifide ic a foul-smelliag soluent that dissoluer sUltur & other nonpolar substances. It can be made by heating sultur in an atmosphere of Methane, For the reaction (berow,AH , = 760.4 uJ and ASrxn= 1219.1. 3/4. = 1219.1 1/14• 4 CHucgs t Sg C =acs2egs + 8 Hz eg ) Part 1 Calcuiate the equilibrium Consfant ar 250 -o°C. Part 2 Calculate the equilibriun consiant at 500.0°c.where Tis in K and C, is in cal/(g mol)(K). 0. In a steady-state process, 10 g mol/s of O, at 100°C and 10 g mol/s of nitrogen at 150°C are mixed ir a vessel which has a heat loss to the surroundings equal to 209 (7 - 25) J/s, where Tis the temperature of the gas mixture in °C. Calculate the gas tem- perature of the exit stream in °C. Use the following heat capacity equations: and leaves at 100°F? O2: C, = 6.15 + 3.1 x 10-3T N2: C, = 6.5 + 1 25 x 10-3T %3D where Tis in K and C. is in cal/(g mol)(K). Latad duct delivers air at an exit velocity of
- 9. L ks] 4.50 mol of N₂ gas (Cvm = 20.6 J mol-¹ K-¹) is enclosed in a piston-cylinder assembly (closed system) and undergoes the cycle depicted graphically below. Assuming N₂ behaves as an ideal gas, calculate q, w, AU and AH for each segment (in kJ). Label each segment with the type of process. Note: segment 2+3 follows the relationship PV = nRT. P (bar) 1.) 20.0 L 2.) 50.0 L 3.) 5.00 bar T = T₂ = T₂ V (L) 2wwW SUBJECT: THERMODYNAMIC COURSE: I ASSI.LACTURE: NATIQ ABBAS 5- A vacuum gage connected to a tank reads (15 kPa) at a location where the barometric reading is (750 mm Hg). Determine the absolute pressure in the tank. Take PHg (13,590 kg/m³)? 6- A gas is contained in a vertical, frictionless piston-cylinder device. The piston has a mass of (4 kg) and a cross-sectional area of (35 cm2). A compressed spring above the piston exerts a force of (60 N) on the piston. If the atmospheric pressure is (95 kPa), determine the pressure inside the cylinder. 60 N P. atra = 95 kPa mp= 4 kg dea? OF SITY.ll T-Mobile Wi-Fi ? 2:23 PM @ O 66% f Data - CHЕМ 1112 Exp 10B.pdf 1 of 1 ENT 10.B Enthalpy PART B Heat of Reaction of Mg(s) + HCl(aq) Initial temperature of HCI solution 22. 2c Mass of magnesium Moles of magnesium moles Highest temperature of mixture 61.6 °C AT of mixture °C Heat gained by the solution J Heat lost by the reaction J Heat of reaction per mole of magnesium J/mole Mg Heat of reaction per mole of magnesium kJ/mole Mg Heat of Reaction of MgO(s) + HCI(aq) _22.0 1,011 8 Initial temperature of HCI solution °C Mass of magnesium oxide Moles of magnesium oxide moles Highest temperature of mixture 36.9 °C AT of mixture °C Heat gained by the solution J Heat lost by the reaction Heat of reaction per mole of magnesium oxide J/mole MgO Heat of reaction per mole of magnesium oxide kJ/mole MgO Heat of reaction of water -285.9 kJ/mole H;0 Heat of reaction per mole of magnesium (from previous section) kJ/mole Mg AH,MgO(s) kJ/mole MgO AH,MgO(s) (Textbook value, if available, for…
- 2. A 2 kg block of a solid initially at 350°C is placed in 10 kg of a fluid with a temperature of 35°C. After a while, the system reaches thermal equilibrium at a temperature of 50°C. What is the ratio ????/cfcs of the specific heat of the solid ( ?? ) to that of fluid ( ??cf )? A) 3 B) 4 C) 5 D) 6nd 1s X S Calculations Calculations X EEnergy and 1s X S Messages 329d9b65add9d20e7e738627b/root/Calculations_Involving_Specific_Heat_Worksheet.pdf 0ODuolingo- The worl... Spotify - Web Player Home Page || Conju. 10. An insulated cup contains 75.0 g of water at 24 °C. A 26.0 gram sample of metal at 82.25 °C is added. The final temperature of the water and metal is 28.34 °C. What is the specific heat of the metal?s_engine.html?ClassID=1834324617# The coffee cup calorimeter was determined to have a heat capacity of 8.5 J/ °C. The initial and final temperatures match the solution, at 21.50 °C and 28.25 °C, respectively. What is the heat change for the calorimeter during the dissolving process? acal = (Ccal) (Tf - T;) qcal (8.5) (28.25 -21.50) = acal = [? ] J Enter either a + or - sign AND the magnitude. Use significant figures. q,cal (J) Enter