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Lithopone is a brilliant white pigment used in water based interior paint. If a mixture of BaSO4 and ZnS produced by the reaction
BaS +ZnSO4--> ZnS+ BaSO4
How many grams of lithopone are produced in the reaction of 315ml of 0.275M ZnSO4 and 285 ml of 0.315M BaS?
A 4.05 g sample of a compound containing only C, H, and O was burned completely. The only combustion products were 10.942 g CO2 and 4.476 g H2O. What is the empirical formula of the compound.
How much energy (in kilojoules) is required to convert 285 ml of diethyl ether at its boiling point from liquid to vapor if its density is 0.7138 ?
Consider a distillation column that is fed 1000 kg/hr of an equimolar mixture of benzene and cyclohexane. Theof the benzene distillate stream is to contain 90 % with a benzene mole fraction of 0.95.
If a solution is made by mixing 20.0 mL 0.4 M NaCH3COO with 30 mL 0.4 M CH3COOH, calculate the pH of the solution? For acetic acid, K = 1.76 x 10-5
you have a mixture of oxygen and argon in a 2.50 L container. You know that the oxygen has a mass of 3.44 grams. The total pressure of the gases is 1.86 atm, and their temperature is 22 degrees C.
The paint formerly used on some storage tanks contained aluminum powder, which reflected heat from the surface of the tanks. Why did experts recommend grounding these tanks
if a .512g sample of sodium carbonate requires 25.3 mL of a sulfuric acid solution to reach the end point for the reaction, what is the molarity of the sulfuric acid.
When heated, hydrogen sulfide gas decomposes according to the equation above. A 4.40 g sample of H2S(g) is introduced into an evacuated rigid 1.50 L container. The sealed container is heated to 583 K and 5.72x10^-2 mol of S2(g) is present at equil..
Starting with only the solid, it is found that at 40 degrees Celsius the total gas pressure is .563 atm. Calculate the partial pressure of NH3 and CO2.
A 1- flask is filled with 1.20 g of argon at 25 C. A sample of ethane vapor is added to the same flask until the total pressure is 1.25 atm.
How much energy (in calories) is needed to heat 17cm^3 of fat from room temperature (25 C) to its melting point (35 C)?
Given the following balanced equation, determine the rate of reaction with respect to [NOCl]. If the rate of Cl2 loss is 4.84 x 10-2 M/s, what is the rate of formation of NOCl?
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