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Calculate the increase in entropy when 3.50 mol of monatomic perfect gas with Cp = 5/2 R is heated from 250 K to 700 K and simultaneously expand from 20.0 L to 60.0 L.
How much energy would be required to melt 26 g of HCl at its melting point of -110.8 ?C?
A 0.0560 g quantity of acetic acid is dissolved in enough water to make 50.0 mL of solution. Calculate the concentration of H+, CH3COO-, and CH3COOH at equilibrium. Ka for acetic acid= 1.8x10^-5.
calculate the concentration of an NaOH solution if 25.0ml of the solution is needed to neutralize 17.5ml of a 0.419M HCL solution
Find the partial pressure and concentration of Nitrogen, Oxygen, and Carbon dioxide.
A lime-soda softening plant treats a flow of 150 MGD, and the water has 86 mg/l CO2. The commercial grade of quicklime has a purity of 85% and the soda ash has a purity of 95%.
starting from alcohol that contains four or less carbon atoms and from benzene and toluene,
An equilibrium mixture in a 2.00 L vessel is found to contain 0.0406 mol CH3OH, 0.170 mol CO, and 0.302 mol H2 at 500 K. Calculate Kc at this temperature.
what is the molarity of a sodium hydroxide solution if 34.85 mL of the soution neutralizes 1.883 grams of pure KHP?
A 15 L flask containing a sample of nitromethane is filled with O2 and the flask is heated to 100 celcius. At this temperture, and after the reaction is complete
"The chains of several cell membrane - bound proteins are known to wind back and forth through the cell membrane, such that some parts of the protein structure are extracellular, some parts are intracellular, and some parts lie within the cell mem..
When CO2 is bubbled through an ether solution of benzylmagnesium bromide, and the resulting mixture is acidified, phenylacetic acid is produced.
calculate the number of moles of gas generated when 0.165grams of aluminum reacts with hydrochloric acid
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