Determining the volume of the solution
Calcium chloride, CaCl2, is added to 3.0 L of 0.050 M K2SO4 until a precipitate forms. How many grams of CaCl2 were added? Assume the volume of the solution is not changed significantly by the addition of the CaCl2. Ksp CaSO4 = 2.4 x 10-5
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Calculate the mass of ethylene glycol (C2H6O2) that must be added to 1.00 kg of ethanol (C2H5OH) to reduce its vapor pressure by 12.0 torr at 35*C. The vapor pressure of pure ethanol at 35*C is 1.00x10^2 torr.
What is the maximum amount the company should be willing to pay an outside supplier per unit for the part if the supplier commits to supplying all 50,000 units required each year?
The (Br-) of the resulting solution is 0.672M. Assuming the volume is additive, calculate the molarity of the first solution.
Complete the necessary calculations in order to determine which products the business should plan to make next year. You will need to state your suggestions and support them with the calculations and assumptions presented.
How many grams of CaCl2 were added? Assume the volume of the solution is not changed significantly by the addition of the CaCl2. Ksp CaSO4 = 2.4 x 10-5
Consider the gas phase decompositon reaction of 2NOCl----> 2NO +Cl2. The concentrations of NOCl and Cl2 are plotted below for the reaction at 500K. What is the average rate of the reaction over 0.20 to 0.25 seconds?
American Movieplex, a large movie theater chain, leases most of its theater facilities. In conjunction with recent operating leases, the company spent $28 million for seats and carpeting.
At a certain temperature, Kc = 1.30 1010 for the reaction above. Calculate the equilibrium concentration of H2S if [H2] = 0.00360 M and [S2] = 0.00290 M at equilibrium in a container.
Plastix Inc. bought a molding machine for $550,000 on January 1, 2011. The company expected to use this machine to extrude plastic toys for the next five (5) years, when the machine would be sold for $50,000.
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