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Suppose that 1.41 g of impure barium hydroxide is dissolved in enough water to produce 177.1 mL of solution and that 44.1 mL of this solution is titrated to the stoichiometric point with 32.9 mL of 0.0303 M HCl(aq).
What is the percentage purity of the original
The active catalyst in this experiment was generated from the redox reaction of chloroplatinic acid with sodium borohydride. What is the active catalyst?
In a gas mixture, the partial pressures are argon 425 , neon 60 , and nitrogen 125 .What is the total pressure exerted by the gas mixture?
why a bromine radical is more selective than a chlorine radical during abstraction of a hydrogen on a hydrocarbon?
the heat of fusion of a compound is 126 joules per gram. What is the total number of joules of heat that must be absorbed by 15.0- grams sample to change he compound from solid to liquid at its melting point?
An ethylene glycol solution contains 21.2 g of ethylene glycol in 85.4 ml of water. Compute the freezing point and boiling point of the solution. (Assume a density of 1.00 g/mL for water)
An unknown gas composed of homonuclear diatomic molecules (its structure is X2) diffuses at a rate that is 1.07 times that of O2 at the same temperature. What is the identity of the unknown gas
3.60 bar of NO2 (g) is initially placed in a 1.00 L container. At equilibrium, the total pressure is found to be 4.4 bar. What is the value of Kp under these conditions?
The standard free energy of activation of a reaction A is 89.0 kJ mol-1 (21.3 kcal mol-1) at 298 K. Reaction B is ten million times faster than reaction A at the same temperature
How much heat (in kJ ) is required to warm 13.0 of ice, initially at -13.0, to steam at 114.0? The heat capacity of ice is 2.09 and that of steam is 2.01
The use of an FTIR Transducer has never become commonly used as a detector for HPLC because?
the heat formation of Al2O3(s) is delta H final is -1669 kj/mol. calculate the heat evolved when 0.267 g of Al burns in oxygen
Calculate the amount of heat required to heat a 3.5 kg gold bar from 21 degrees celsius to 67 degrees celcius.
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