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The following reaction is a single-step, bimolecular reaction: When the concentrations of CH3Br and NaOH are both 0.115 M, the rate of the reaction is 0.0010 M/s.
(a) What is the rate of the reaction if the concentration of CH3Br is doubled?
(b) What is the rate of the reaction if the concentration of NaOH is halved?
(c) What is the rate of the reaction if the concentrations of CH3Br and NaOH are both increased by a factor of five?
The specific heat capacity of graphite is .71 J/gC. Calculate the energy required to raise the termperature of 283 grams of graphite by 112 degree C.
At a particular temperature, N2O5 decomposes according to a first-order rate law with a half-life of 3.0 s. If the initial concentration of N2O5 is 1.0 × 1016 molecules/cm3, what will be the concentration in molecules/cm3 after 11.3 s?
How many grams of Na2CO3 are present in 29.7 mL of a 31.0% Na2CO3 solution. The density of the solution is 1.09 g/mL.
The pH of a solution of ammonia, NH3, is measured at equilibrium and found to be 11.48. Given that Kb for NH3 is 1.8 X 10?5, what was the initial (before equilibrium) concentration of NH3
An iron ore sample is a mixture of Fe2O3 and several impurities. A 752. g sample of the impure iron ore is heated with excess carbon.
Hypothesize as to the type of electrolyte the following solutions would be. Justify you answer from a chemical standpoint.
How many grams of magnesium must react to displace 12.5 g of silver from a solution of silver nitrate?
What is the molarity of a sulfuric acid solution if 40.2 mL of this solution is required to titrate 6.50 grams of sodium hydrogen carbonate?
How much magnesium chloride would you have to purchase to make up 10.0 L of bath water saturated with magnesium chloride
Will a precipitate of Cu(OH)2 form when 18.00 mL of 0.010 M NaOH is added to 1.000 L of 0.010 M CuCl2
Treating 1-butanol with sulfuric acid establishes an equilibrium with 1-butyl bisulfate and water as shown.
A volume of 275 mL of a solution of potassium hydroxide at 0.14 M is added to a sample of 3.00 x 102 mL of a solution of aluminium chloride at 0.11 M.
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