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Consider a mixture of air and gasoline vapor in a cylinder with a piston. The original volume is 40. cm3. If the combustion of this mixture releases 950 J of energy, to what volume will the gases expand against a constant pressure of 650 torr if all the energy of combustion is converted into work to push the piston? (1L•atm = 101.3 J).
514 mL of sulfuric acid is exactly neutralized with 453 mL 0.180 M lithium hydroxide solution. What is the concentration of the acid solution?
Calculate the activation energy of a certain reaction from the following data: Temperature, degree C Rate Constant 24 7.41x10^-4 48 1.39x10^-1
For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants.
The human body obtains 1091 kJ from a candy bar. If this energy were used to vaporize water at 100°C, how much water in liters could be vaporized? (Assume that the density of water is 1.0 g/mL.)
134 mole of KCl and .167 mole of CaCl2 were dissolved in water. What is the total number of Cl ions in the solution?
The activation energy of a certain reaction if 65.7kJ/mol. How many times faster will the reaction occur at 50 degrees Celsius than at 0 degrees Celsius? State the assumptions you need to make in order to perform this calculation.
What is the osmolarity of the following solutions. Express answer in two signint figures. 1. 0.35 M KBr 2. 0.15 M glucose +0.05 M K2SO4
Using a solution of (HOC 2 H 2 )3NHCl, solution in which Kb, ((HOC 2 H 2 )3N) = 5.9 × 10 -7 then determine what is the pH of a 0.010 M triethanolammonium chloride,
Compute the heat capacity of the calorimeter in J/K assuming that no heat leaks or out of the calorimeter.
Its volume is 2.0 x 10^2 mL and its pressure is 750 torr. what is the molar mass?
what is the theoretical yield of carbon dioxide when 56.0 g of methane is burned in a excess of oxygen, according to the equation CH4 2 )2 ->CO2 ,2H2o.
An aqueous solution is 33.0% by mass methylamine (CH3NH2) and has a density of 0.85 g·cm-3. a) If 48.7 mL of this solution is diluted to 1009.0 mL, what is the pH of the resulting solution
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