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1.75 kg/s of air at 300. K enters the compressor of a reversed Brayton cycle heat pump. The isentropic pressure ratio of the compressor is 3.00 to 1, and the inlet temperature of the expander is 335 K.
The isentropic efficiencies of the compressor and expander are 91.0% and 85.0%, respectively. Determine
a. The actual power output from the expander.
b. The actual power input to the compressor.
c. The coefficient of performance of the unit.
what are the ground state electron configuration of the elements in period 2 of this alternate reality?
What is the net ionic equation for AgNO3 + HCl(aq). Can you please show how to perform the problem and where you find the solution.
Consider the accompanying energy diagram. Does this diagram represent an increase or decrease in the internal energy of the system?
If Qp = 1.2 1020 and PO2 = 0.318 and PN2 0.812, what is the partial pressure of NO?
A solution of NH4Cl is prepared and its molarity is 1.00 x 10-3; what is the pH of this solution. Show all work.
A industry consists of 20 producers, all of whom operate with the identical short-run total cost curve ST C(Q) = 16+2Q+Q^2. The market demand curve for A is D(P ) = 110-P , where P is the market price.
which compound do you expect to have a larger Rf value in a soluvent of medum polarity (such as ethyl acetate): acetominophen or phenacetin?
Two determinations of the dissolved oxygen content of a 200 mL sample of water, made five days apart, gave 5.3 ppm and 2.2 ppm of dissolved O2 respectively.
What would the energy diagram look of a triple carbon hybrid. Using the model below what is available.
You run a metathetical reaction and produce NaCl as one of the products. Since NaCl is soluble in water, how can you ever recover solid NaCl to prove that you made it
Consider the reaction 2 Al2O3(s) → 4 Al(s) + 3 O2(g). ?H = +3339.6 kJ/mol What is ?H for the formation of one mole of Al2O3(s) from the elements
The normal boiling point of bromine is 58.8°C. Given that the vapor pressure of methanol is 75.0 torr at 2.5°C, calculate the molar enthalpy of vaporization of bromine.
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