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Saturated R-134a vapor enters a steady-flow, adiabatic compressor at 180 kPa and is compressed to 700 kPa, 50°C. The power supplied to the compressor is 2.5 kW. Determine the volume flow rate of the refrigerant at both the inlet and exit to the compressor, in m3/min.
you are given a small bar of an unknown metal x. you find the density of the metal is 10.5 gcm3. another experiment
What are the various uses of radioactivity in healthcare? What are the future trends in healthcare with respect to the use of radioactivity?
what is the theoretical yieldwhat is the theoretical yield of sodium thiosulfate pentahydrate when 3.25 g of sulfur is
Chemical Kinetics - Determine the time taken by a reactant to reach a particular concentration
disinfection of water streams originating fromnbspreusable water plants is key in protecting environmental health.
8.0 moles of CO2 and 9.0 moles of H2O are places in a 5.0L vessel. When equilibrium is established, [C2H4]=0.45 M. Calculate Keq
What is the identity of the unknown, Dinitrogenmonoxide (N2O), laughing gas, is used by dentists as an anesthetic. If 2.86 molof gas occupies a 20.0 L tank at 23°C, what is the pressure (mmHg) in the tank in the dentist office?
A solution is prepared by mixing 75.0 mL of 0.030 M BaCl2 and 250. mL of 0.040 M K2SO4. What are the concentrations of barium and sulfate ions in this solution? Assume only SO42- ions (no HSO4-) are present.
A container with 1 mole of gas is expanded from 5 litres to 10 litres by adding more gas. the temperature and pressure are kept constant. how many moles of gas are present after the expansion.
a 2.2 g sample of an unknown acid with an empirical formula of c3h4o3 is dissolved in 1 l of water. it requires a 25 ml
Chemistry Concentrations, In each of the following pairs, indicate which has the higher concentration of Cl- ion
How much of a 6.0 M sucrose solution should be used to make 79.0 mL of a 0.055 M solution.
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