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A feed water pump operates with a flow rate of 350 kg/s. The water enters at 420K. The inlet pressure is 0.7 MPa and the outlet pressure is 20 MPa. Find out the power to drive the pump if the pump isentropic efficiency is 87%. As well determine the outlet temperature of the water.
A 32.0 iron rod, initially at 22.0C, is submerged into an unknown mass of water at 63.7C, in an insulated container. The final temperature of the mixture upon reaching thermal equilibrium is 59.4C.
let a -47 b 10 and c56a. find the vertices of the image of deltaabc under the translation t-25b. to what complex number
Calculate the pressure difference between CH4 and an ideal gas under these conditions. The van der Waals constants for CH 4 are a=2.300L2⋅atm/mol2 and b=0.0430 L/mol.
If the specific heat of the ball bearing is .474 J/g times degress C, calculate the final temperature of the water. Assume the calorimeter to have neglible heat capacity.
A chemical reaction is found to have an activation energy (Ea = 15 kJ/mol). At a temperature of 505 K, what fraction of collisions have enough energy to exceed the activation energy
If a sample of Al2(SO4)3 is found to contain 863 mol of Al3+ ions how many moles of Al2(SO4)3 formula units are present?
calculate the molar concentration of all the ions remaining in solution after the reaction has taken place ... Cr(III), hydroxide, potassium, nitrate
a bomb clorimeter contains 2.5 liters of water if the combustion of .175 moles causes the temperature of the water to rise 45 degrees celsius, what is the molar heat of combustion.
Crude oil is a complex solution of liquids, and some gases and solids. The components are commonly separated from each other by utilizing a technique called fractional distillation
What is the [Ag+] in a solution at equilibrium when ammonia gas is bubbled through a solution that is 0.023M in AgNO3 until the concentration of ammonia is 0.20M
in the preparation of sulfanilamide why was aqueous sodium bicarbonate rather than aqueous sodium hydroxide used to
The hydrogen is recovered as its most stable oxide. When the oxide was made to decompose completely it released 1.274x10^25 molecules of oxygen gas.
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