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Assume that you have a mixture of He(MW = 4 amu) and Xe ( MW = 131amu) at 300 K . The total pressure of the mixture is. 650 mmHg. What are the partial pressure of each of the gases ? He, and Xe
Under What circumstances is it possible for the requirements for chirality at a carbon atom to be satisfied but for a molecule containing
An auto bumper is coated with a layer of chromium, 0.017 cm thick. The bumper has a surface area of 3.43 x 104 cm2. The density of chromium metal is 7.19 g/cm3. How many atoms of chromium are used in the coating?
Arsine (AsH3) has a vapor pressure is 35 Torr at -111.95?C and 253 Torr at -83.6 ?C. What is the normal boiling point of arsine.
A 15.00 mL sample of unknown concentration of sulfuric acid is precititated with excess lead(II) nitrate and a precipitate of lead(II) sulfate is collected.
How many grams of F2 are needed to produce 237 g of PF3 if the reaction has a 80.4% yield?
sucrose solution is allowed to react for 195 minutes then determine the mass of sucrose that is hydrolyzed?
What is the molarity of a HCl solution if the reaction of 200 mL of the HCl solution with excess CaCO3 produces 14.0 L of CO2 gas at 725 mmHg at 18 degree celsius.
A solution of I2 was standardized with ascorbic acid. Using a 0.100 g sample of pure ascorbic acid, 25.32 ml of I2 were required to reach the starch end point.
Why should EH&S and FS professionals avoid inhaling the smoke produced when tar paper and roofing shingles smolder and burn?
When you standardized the Sodium thiosulfate, what molarity of Na2S2O3 did you observe for each of your 3 trials.
the actual yield of a reactant is 22 g and the theoreticaal yield is 25 g calculate the percentage yield
A gas held at 798 mmHg in a 400 mL flask is released into a 3 L flask.Whats the new gas pressure?
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