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Knowing that the radius of gyration of the flywheel is 36 in., determine the magnitude of the couple due to kinetic friction in the hearings.
The helium does 982Kj/kg of work on the piston. Determine the amount of heat transfer that occurred during the process, in kJ, and it direction.
A solution is prepared by placing 22.9 g of KCl in a 0.800 Lvolumetric flask and adding water to dissolve the solid, then filling the flask to the mark.
How many moles of stomach acid would be neutralized by onetablet of Regualr Strength Maalox that contains 600mg of calciumcarbonate?
Determine the adiabatic flame temperature when gaseous propane at an equivalence ratio of 0.5, and at 25'C, is burned in a steady flow process in atmospheric air.
A 9.90073 x 10-7M solution of perchloric acid is prepared in water with pKw = 13.02231. Calculate the pH of the resulting solution.
Determine the depth of water at the center of the core below the free vortex level if the velocity is 2.5 m s-1 as the common radius of 18cm?
Assuming that the jet remains circular determine the rate ot water flowing and the diameter of the jet at a height of 10m?
Under identical conditions, 2-bromopropane reacts with iodide ionin acetone at a rate that is 105 faster than the rate atbromocyclopropane reacts. Explain.
Calculate the force acting on the submarine and the minimum power required to keep the submarine moving at this speed. density of water=1025kg m-3?
Explain how you could generate a layered super structure with negatively charged bucky balls on a surface, a non-charged polyvinylchloride layer and then a positively charged dendrimerlayer on the t
A manometer connected to a pipe in which a fluid is flowing indicates a negative guage pressure head of 50mm of mercury.
At the interface of anether/aqueous solution, colloidal CdS nanocrystals (assume theseare spherical) self-assemble into a close-packed body-centeredcubic (BCC) superlattice:
Potassiummetal crystallizes in a body-centered cubic structure with a unitcell edge length of 5.31 ?. Calculate the density of potassium ing/cm3.
On the other side of the heat exchanger, water from a lake or air can be used to provide the cooling. Compare the rate of entropy generation in the condenser, in kW/K, for both scenarios.
Identify the C-H out-of-plane bending vibrations in the infared spectrum of 4-methylcyclohexene. What structuralinformation can be obtained from these bands?
The mass flow rate of steam through the turbine is 20 kg/s. Determine the rate of work done by the steam turbine, in kW.
A weak acid, HF, is in solution with dissolved sodium fluoride, NaF. If HCl is added, which ion will react with the extra hydrogen ions from the HCl to keep the pH from changing?
An organic compound absorbs strongly in the IR at 1687cm^-1. An oxidation is converted to benzoic acid. Its massspectrum shows significant peaks at m/zz 120, m/z 105, m/z 77. What is a reasonable s
A certain compound is known to contain carbonand hydrogen. It might also contain oxygen. A 3.304 g sample ofthis compound was burned in pure oxygen gas.
Consider oxygen at 100 bar and specific volume of 0.08. Calculate the temperature T using the Van der Waal's equation of state.
Air at 90 deg F and 30 per cent relative humidity is cooled (isobarically) by an air conditioner to 60 deg F. Is condensation obtained by this cooling?
Determine (a) the specific enthalpy of R-134a at the exit; (b) the temperature at exit; (c) the specific entropy of R-134a at the exit; and (d) the specific entropy generation.
The diameter of a helium atom is about 1*102pm.Supposethat we could line up helium atoms side by side in contact with oneanother. Approximately how many atoms would it take to make the distance fro
Ethane gas at 140 F is burned in a steady-flow process with theoretical air at 40 F in such a way that the products are at 840 F. Write down the balanced chemical equation for one lbmol of ethane.