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Determine the percent yield for the reaction between 3.74g of Na and excess O2 if 5.35g of Na2O2 is recovered
Determine the boiling point of the solution If 11.9 grams of a nonelectrolyte with molar mass = 30.5 g/mol are combined with 200.0 grams of the solvent,?
The equation for the reaction is 2 NH3 + 3 O2 + 2 CH4 ----> 2 HCN + 6 H2O, What is the percent yield of HCN?
A precipitate resulted when the solution was treated with 6M sodium hydroxide. The precipitate dissolved in ammonia, giving a royal blue solution
An 1.07 mol sample of carbon dioxide gas at a temperature of 8.00 oC is found to occupy a volume of 22.7 liters. The pressure of this gas sample is
A 147 gram piece of metal has a density of 7.00 g/mL. A 50 mL graduated cylinder contains 20.0vmL of water. What is the final volume after the metal is added to the graduated cylinder?
Which indicator would be the best to use when titrating ammonia with nitric acid? Kb of NH3 is 1.8 x 10-5.
The balloon is designed to continue its ascent to an altitude of 30 km, where it bursts, releasing a package of meteorological instruments that parachute back to Earth.
Given that the radius of the O2- ion is about 140 pm in most oxides, calculate the radius of Mg2+, in pm. Your solution should include a sketch one face of the unit cell of MgO to show how the edge length of the unit cell is related to the ionic r..
The minimum energy required to break an oxygen-oxygen bond in ozone (O3) is 387 kJ/mole. What is the longest wavelength of light
Carbonyl fluoride, COF2, is an important intermediate used in the production of fluorine-containing compounds. For instance, it is used to make the refrigerant carbon tetrafluoride, CF4 via the reaction
What volume of 6.00 M sodium hydroxide in milliliters must be diluted to 209.0 mL to make a 1.50 M solution of sodium hydroxide
Potassium iodate, KIO3, and bleach's hypochlorite ion, ClO negative, are oxidizing agents. What do they oxidize in this experiment
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