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A gas stream is formed by mixing 15 lbm/hr with 1 kg/min of water vapor. What are the mass and mole fraction of all components in the mixture? What is the average molecular weight of the mixture?
Potassium chlorate can be decomposed to o2 and potassium chloride. Calculate the mass of potassium chlorate that must react to procedure 187.1 ml of dry 02 at STP.
An environmental chemist obtained a 200 mL sample of lake water believed to be cntaminated with a single monoprotic strong acid.
An oxide of osmium (symbol Os) is a pale yellow solid. If 2.68 g of the compound contains 2.01 g of osmium, what is its empirical formula? (Type your answer using the format CO2 for CO2.)
how many liters of H2 would be formed at 528 mm Hg and 12 degrees celcius if 28.0g of zinc was allowed to react
A 9.0×10-2 M solution of a monoprotic acid has a percent dissociation of 0.60%. Determine the acid ionization constant Ka for the acid.
What is the rate of the above reaction? What is the closest numerical value of K for the above reaction? What are the units for the rate constant for the reaction?
what Kelvin temperature will the vapor pressure be 3.50 times higher than it was at 361 K?
a graduated cylinder reads 4 ml of water.then a shell is dropped into it and the water level rises to 12 ml.what is the volume of the shell?
In a first order decomposition in which the rate constant is 0.0181 sec-1, how long will it take (in seconds) until 0.484 mol/L of the compound is left, if there was 0.548 mol/L at the start?
What is the FORMULA for the limiting reagent? What is the maximum amount of carbon dioxide that can be formed in grams? What amount of the excess reagent remains after the reaction is complete in grams?
0.158g of a barium halide is completely precipitated out of H2SO4 and 0.124g of barium sulfate are produced. what is the true formula of the compound.
When a solution of copper(II) sulfate is mixed with a solution of sodium carbonate, a precipitate forms. Write each of the following equations for the reaction between copper(II) sulfate and sodium carbonate.
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