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The toxic gas phosgene decomposes to a limited extent to carbon monoxide and chlorine at 373 K according to the following equation:
COCl2(g) CO(g) + Cl2(g)
The equilibrium constant, Kc, is 2.2 x 10-9 at this temperature.
If a 1.00 L flask is set up with an initial concentration of 0.391 mol/L COCl2, calculate the equilibrium concentration of carbon monoxide in mol/L.
What mass of sucrose should be combined with 514 g of water to make a solution with an osmotic pressure of 8.85 atm at 295 K? (Assume the density of the solution to be equal to the density of the solvent.)
Determine the mass percent of CH3COOH in this solution if density of vinegar is 1.01 g/mL? Also calculate mole fraction of acetic acid in this solution and molality of this solution?
The activation energy for the following first-order reaction is 318 kJ/mol. N2O5(g)-->2NO2(g)+(1/2) O2(g). The value of the rate constant (k) is 6.65x10^-5 s^-1 at 84 degrees C. What is the value of k at 49 degrees C. (R=8.314 J/mol K)?
Calculate the rate at which sulfur dioxide is being produced. Give your answer in kilograms per second. Be sure your answer has the correct number of significant digits.
Calculate the maximum [glucose]in/[glucose]out ratio that can be achieved by the plasma membrane Na+- Glucose antiporter of an epithelial cell when the concentration of Na+ inside the cell is 7mM
IF you want to prepare a solution that is .200 molal in NaNO3, how many grams of the salt would you add to 500 grams of water?
When the equation above is balanced and all coefficients are reduced to their lowest whole-number terms, the coefficient for O2
What is the concentration of the vinegar in weight percent? (Assume a density of 1.030 g/mL.) If the pH of the vinegar was 3.44, what value is obtained for the Ka of acetic acid?
You are given the chemical reaction: 4AsF3 + 3C2Cl6 -> 4AsCl3 + 3C2Cl2F4.If 1.3618 moles of AsF3 are allowed to react with 1.000 mole of C2Cl6.
A 15.0 mg sample of a protein is dissolved in water to make 27.0 ml of solution. The osmotic pressure of the solution is 0.56 torr at 25 C. What is the molar mass of the protein?
Radio waves travel at the speed =3.00 108 m/s(speed of light,). if Saturn is 7.9 108 km from Earth then Determine how many minutes does it take for a radio message to reach Earth from Saturn?
How many mL of 0.525M calcium chloride are needed to obtain 5.00x10 22 chloride ions.
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