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In order to study air quality, a 45.01 L sample of air was collected at the McMurdo station, near the south pole, on an August day, when the temperature was a typical -31 oC. The atmospheric pressure that day was 1.09 atm. The sample was compressed into a 3.59 L bottle for shipment back to the lab in Urbana, for analysis.
What was the pressure of the sample when it was loaded onto the plane, still at -31oC?
What was the pressure of the sample when it was unloaded in Urbana the next day and the temperature was a typical 31.7oC?
An unknown gas X effuses 1.65 times faster than C3H8. What is the molecular mass of gas X?
A mixture of 2.0 mol of CO(g) and 2.0 mol of H2O(g) was allowed to come to equilibrium in a 10.0L flask at a high temperature. If Kc-4.0, what is the molar concentration of H2(g) in the equilibrium mixture
Empirical Formula of a Compound and Conversion, The characteristic odor of pineapple is due to ethyl butyrate, a compound containing carbon, hydrogen, and oxygen
What happens to some solute during crystallization when too much solvent is evaporated and what do you do
Concentrations of Components in an Equilibrium, The following equilibrium process at 686 deg. C. CO2(g) + H2(g) f/r CO(g) + H20 (g)
The partial pressure of carbon dioxide is 675 mm Hg. If argon gas added to the mixture causes the total pressure to become 2410 torr, what is the partial pressure of argon? Report your answer in atm.
The specific heat of liquid ethanol, C2H5OH(l), is 2.46 J/g·°C and the heat of vaporization is 39.3 kJ/mol. The boiling point of ethanol is 78.3 °C. The molecular weight of ethanol 46 g/mol.
What was the initial temperature of the Cu metal If the final temperature of the Cu-H 2 O mixture was at twenty five degree celsius? (The specific heat of copper = 0.377 J/(g°C).)
Determine the mass of carbon dioxide in chemical reaction of 30mL of vinegar and 1.3g of baking soda
A volume of 40.0 ml of aqueous potassium hydroxide was titrated against a standard solution of sulfuric acid. What was the molarity of the solution if 13.2ml of 1.50 M was needed
What mass of chromium could be deposited by electrolysis of an aqueous solution of Cr2(SO4)3 for 155 min using a constant current of 15.0 A? (F = 96485 C/mol)
what will be the equilibrium concentration of CO.
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