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A.) 4 NH3 + 7O2 = 4NO2 + 6H2O What is the theoretical yeild of NO2 from the reaction of 43.9 g of NH3 with 258 g of O2?
B.) If only 98.5 of NO2 is recovered in part a, what is the percent yield?
A 352-mL container of nitrogen is held at a pressure of 791 mm Hg. What volume container would be lowered to 649 mm Hg?
If a gas held at constant pressure had an initial volume of 5.00 L and the temperature changed from 35°C to 578 K what would be the final volume of this gas?
The freezing point of benzene is 5.5oC. What is the freezing point depression of a solution of 5.00 g naphthalene (C10H8) in 444 g benzene (Kf of benzene = 4.90oC/m)?
A solution is made by mixing exactly 500 mL of 0.180 M NaOH with exactly 500 mL of 0.100 M CH3COOH. Calculate the equilibrium concentration of the species
a corrosion technologist pipetted a 100 ml hard water sample and titrated it with 37.64 ml of 0.01 M EDTA solution for a total endpoint, and 29.32 ml of 0.01 M EDTA solution for a calcium endpoint.
Calculate the energy of attraction (in eV) between a cation with a valence of +2 and an anion with a valence of -3,
Lead(II) sulfide reacts with hydrogen peroxide to form lead(II) sulfate and water. How many grams of hydrogen peroxide are needed to react completely with 265 g of lead(II) sulfide?
if you added 75.0 ml of a 0.555 M solution of NaCl to enough water to produce 950.0 ml of solution, what would be the resulting molarity?
A sample mixture of CH4 and C2H6 weighing 0.732 g burned to give 2.064 g CO2. What is the mass of CH4 in the mixture.
What effect on the boiling point of a liquid is produced by: a) The presence of a soluble non-volatile impurity?
A solution is made by mixing equal masses of methanol, CH4O, and ethanol, C2H6O. Determine the mole fraction of each component
a balloon filled with helium gas has a volume of 762 mL at a pressure of 1atm. The balloon is released and reaches altitude of 6.5km, where the pressure is 0.5atm.
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