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Three gases were added to the same 8.5 L container. The total pressure of the gases was 791 torr at room temperature (25.0°C). If the mixture contained 0.71 g of oxygen gas, 0.85 g of carbon dioxide, and an unknown amount of nitrogen gas, determine the following:
(a) the total number of moles of gas in the container
(b) the number of grams of nitrogen in the container
(c) the partial pressure of each gas in the mixture
How do we find the concentration, c, depending on thiele modulus and the particle diameter? We do not know the value of thiele modulus.
the NERNST equation is used to predict the impact of concentration on the cell potential. What value of slope does the Nernst equation predict for a plot of Ecell vs. log(cu2+ conc ratio)
what is the [OH-] in a solution that has a pOH of 2.70? Use E notation with 3 significant figures.
The Gibbs free energy of formation of solid iron (III) oxide is the Gibbs free energy change for the reaction
If 60.00 mL of water is added to 40.0 mL of 4.00 Molarity NaC1, what will the concentration of the new solution be
Write equations for the half-reactions that occur at the anode and cathode for the electrolysis of each of the following aqueous solutions.
Explain in terms of noncovalent interactions why water and ethanol are miscible, but water and cyclohexane are not.
Nylon undergoes depolymerization when heated in aqueous acid. Propose a reaction mechanism that accounts for this fact, using curved arrows to symbolize the flow of electrons.
How much work is needed to send 2.5 gal/hr of fuel through a 8mm line with a .09mm nozzle at 1500 psi absolute coming from a fuel tank at 1 atm absolute
The mass of an average blueberry is 0.76g and the mass of an automobile is kg. Find the number of automobiles whose total mass is the same as 1.0mol blueberries.
A gas measures 180. ml. at 870C and 800. mm Hg. Find its volume at standard temperature and 800 mm Hg of pressure.
Hydrochloric acid (58.0mL of 0.235M) is added to 212.0mL of 0.0567M Ba(OH)_2 solution. What is the concentration of the excess H^+ or OH^- ions left in this solution
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