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A gas cylinder containing 6.38 mol of neon has pressure of 491mmHg at 295k. If 3.22mol helieum is added at constant temp and pressure, what will be the pressure in the cylinder.
Consider uJT=(dT/dP)H. (this means the rate of change of Temperature divided by the rate of change of pressure at constant enthalpy)
Aspirin is a monoprotic acid called acetylsalicylic acid. Its formula is HC9H7O4. A certain pain reliever was analyzed for aspirin by dissolving 0.431 g of it in water and titrating it with 0.0430 M KOH solution.
the density of phosphorus vapour at 310 degrees celcius and 75 mmHg is 2.64 g/L. What is the molecular formula of the phosphorous under these conditions?
KOH(aq)+ CoCl2(aq) --> KCl + Co(OH) what are the states of matter for the products?
For the following reaction, denote whether the equilibrium lies with the products or with the reactants.2NO2(g) + 02(g) 2NO2 (g) Kp = 5.0*1012
A cell has a standard emf of +0.116 V at 298K. What is the value of the equilibrium constant for the cell reaction if n=1, n=2, and n=3
What was the percentage by mass of Mg(OH)2 in the original sample? [Hint: When Mg(OH)2 or Al(OH)3 reacts with HCl(aq), the products are a chloride salt, water and CO2(g). Assume that all of the CO2(g) leaves the solution without reacting.]
A protein has been eluted from a DEAE-cellulose column by washing with a salt-containing solution. Before the protein is subjected to a quantification assay,
What is the volume occupied by 0.265 mol of helium gas at a pressure of 1.32 atm and a temperature of 302 K.
a bottle containing 300 g of cleaning solution is used for carpets. if the cleaning solution has a specific gravity of
The wavelength of maximum absorbance is solvent dependent. in water, the wavelength of maximum absorbance is 453 nm.
In the process of producing sparkling wine from grape juice, the sugar glucose is decomposed to form ethanol and carbon dioxide. If 23 g of C6H12O6 is fermented, what volume of gaseous CO2 will be produced at a temperature of 29°C and a pressure o..
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