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Chlorine can be generated by heating together calcium hypochlorite and hydrochloric acid. Calcium chloride and water are also formed.
a) If 60.0 g of Ca(OCl)2 and 325 mL of 6.00 M HCl are allowed to react, how many grams of chlorine gas are formed?
b) 12.6 g chlorine gas is isolated in the laboratory. Calculate the % yield.
describe how will you prepare a supersaturated solution of potassium nitrate in water.
A 4.78-g sample of aluminum completely reacts with oxygen to form 6.67 g of aluminum oxide. Calculate the mass percent composition of aluminum in aluminum oxide
The solubility product of PbBr2 is 8.9 X 10^(-6). Determine the molar solubility in the pure water.
Draw a formula for the lowest molecular weight compound that contains C, H, and possibly O, N or S, is a chiral compound, contains ONLY one functional group, and is a sulfide.
An equilibrium mixture of SO2, SO3 and O2 gases is maintained in a 11.5 L flask at a temperature at which Kc = 55.2 for the reaction shown below.
Strychnine, C12H22N2O2, is a weak base. An aqueous solution of 0.0515 M strychnine solution has a pH of 10.48. What is the Kb for strychnine based on these measurements?
What is the pH of a solution prepared by mixing 25.00 mL of a 0.10 M solution of the weak acid CH3CO2H with 25.00 mL of 0.040 M sodium acetate, CH3CO2Na? Assume that the volume of the solutions are additive and that Ka = 1.8 ?* 10-5 for CH3CO2H.
At 340 K, Kp = 69 for the reaction H2(g) + I2(g) ->2HI(g). 50.0 g of HI is injected into an evacuated 5.00-L rigid cylinder at 340 K. What is the total pressure inside the cylinder when the system comes to equilibrium?
Determine how much PV work is done if 80.0 g of C 2 H 4 and 125 grams of hydro chloric acid are permissible to react at atmospheric pressure and the volume change = -63.9 L? express your answer in kilojoules
A first order reaction has a rate constant of 0.342 sec^-1 at 29.5 degrees C. If the activation energy is 69 kJ, calculate the temperature in degrees C at which the rate constant is 0.428 sec^-1.
By what percentage does the solubility of lead iodide decrease when dissolved in a solution of 0.02 M ammonium iodide
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
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