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Consider the heat engine operating at steady state between the two thermal reservoirs shown at the right while producing a net power output of 700 kW. If 1000 kW of heat (Q̇H) is transferred to the heat engine from a thermal reservoir at a temperature of TH = 900 K, and heat is rejected to a thermal reservoir at a temperature of TL = 300 K, is this heat engine possible?
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- Question 1Helium gas is contained in a cylinder by a gas-tight piston which can beassumed to move without friction. The gas occupies a volume of 1 x 10^-3m^3 temperature of 300K and a pressure of 1 x 10^5 Pa.(a) Calculate :i.the number of helium atoms in the container,ii.the total KE of the helium atoms(b) Energy is now supplied to the gas in such a way that the gas expands andthe temperature remains constant at 300K. State, and explain what changes, if any, will have occurred in the following quantities :i. The internal energy of the gasii. The root-mean-square speed of the helium atomsiii. The density of the gas.(Given : Boltzmann's constant = 1.38 x 10^23 JK^-1)Which species has the higher boiling point? Identify the intermolecular forces acting on each. What type of bonding would occur between the following mplecules? \table[[N, HF, dots, ][H,S,CH,CO,1-What is the relation between Specific heat? 2-Characteristic gas constant of a gas (R) is equal to 3- The ratio of two specific heats of air is equal to? 4-Which is greater than one CP or CV? And why? 5-What is Specific heat? Or define Specific heat?
- explain this mashWater at 150oC and 150 kPa has a specific volume of ? [v] m3/kg and its phase is? [phase].Note: use 5 significant digits for the specific volume.Find expressions for [dS/dV]T, [dS/dP]T ,[dU/dV]T, and [dH/dP]Tfor a gas whose behavior can be described by the equation: P [ ( V / n ) –b ] = R T
- When finding r(oB), how does 4sin(30) produce both 2 and 3.46?Answer the following questions, in the provided space in the table: Question Solution & Answer 1. A l-m' rigid tank contains 10 kg of water (in any phase or phases) At 160'C. The pressure in the tank is ? 2. What is the boiling temperature Of water at 175 kPa? 3. What is the state of H.O at 1554.9 kPa and 200 C? 4. What is the state of water at 300 C and 0.2 MPa? 5. What is the state of water at 0.01 C and 0.5 kPa? 6. What is the triple point? 7. What is the density of Compressed liquid-water at 500 kPa and 100 C? 8. What is the amount of heat required to evaporate 1 kg of saturated liquid water at 1000 kPa?(a) What is the physical interpretation of the Grashof number?
- In an electrochemical cell, a metal anode lost 0.227 g while a total volume of 0.08149 L of hydrogen gas was produced. The temperature was 298 K and the barometric pressure was 745.4 mm Hg. At 298 K, the vapor pressure of water is 23.8 mm Hg. How many moles of hydrogen gas were collected?Q: The specific gravity of a solution of KOH at 15°C is 1.0824 and contains 0.813 Ib KOH per U.S. gal of solution. (A) What are the mass fractions of KOH and H2O in the solution? (B) What is the volume in (m3) of 325 kilograms of this solution at the same temperature (15°C)? Q: In a gas-separation plant, the feed to the process has the following constituents: component Mole % Cudeer overhead C3 1.9 Reflus Feed DC i- C4 51.5 n-C4 46 Bottom C5 0.6 Total 100Do not give answer in image and hand writing