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Determine the rat of consumption of O2 if the initial concentration of NH3 was 0.6719 M and decreased to 0.5827 M after 0.3883 hours. Use the reactions below.
4NH3 + 3O2 <--> 2N2 + 6H2O
If a solution containing 92.455 g of mercury(II) chlorate is allowed to react completely with a solution containing 16.642 g of sodium sulfide, how many grams of solid precipitate will be formed?
Calculate the molar concentration of OH - ions in an 1.37 M solution of hypobromite ion, BrO- (Kb = 4.0 10-6).
When 0.069 mol of aluminum sulfate are dissolved in enough water to make 485 milliliters of solution, what is the molar concentration of aluminum ions?
What fraction of thiocyanate ion is accually converted into the complex ion?
what is the density of a sample of ammonia gas, NH3, if the pressure is .928 atm and the temperature is 63.0 C?
Calculate the amount of energy in kilojoules needed to change 135 of water ice at -10 degrees Celsius to steam at 125 degrees Celsius.
What is the Kb of C5H5N? The pH is 10.82 and the amount of C5N5N is 1.0X10^-3
What is the Freezing point of an aqueous glucose solution that has 25.0g of glucose, C6H12O6, per 100.06 H2O (Kf=1.86)
The rate constant for a certain reaction is k = 2.60×10-3 s-1 . If the initial reactant concentration was 0.200M , what will the concentration be after 14.0 minutes?
Assume that fructose is a molecular solid and does not ionize when it dissolves in water.
Which one of the following does not react with aqueous sodium hydroxide?
Draw the molecule by placing atoms on the grid and connecting them with bonds. Show the formal charges of all atoms in the correct structure. Include all lone pairs of electrons.
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