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In the titration of a solution of a weak monoprotic acid with a .1325M solution of of NaOH, the pH was halfway to the equivalence point was 4.42. In the titration of a second solution of the same acid, exactly twice as much of a 0.1325 M solution of NaOH was needed to reach the equivalence point. What was the pH half way to the equivalence point in this titration?
The molar heat of neutralization from hydrochloric acid and sodium hydroxide is -57.3 kj/mol. What is the heat evolved during the neutralization of 655ml of 1.00M hydrochloric acid by 1.00M sodium hydroxide?
At 25C, H2O2 decomposes according to the following equation. 2H2O2(aq) => 2H2O (l) + O2(g) .55V
Determine the change in Ssys for the process if the specific heat capacity for ethanol = 2.42 J/g K. express your answer in units of J/K
You need 70.2J to raise the temperature of 34.0 g of ammonia, NH3 (g), from 23.0C to 24.0C. Calculate the specific heat of ammonia.
determines how many grams of glucose are in 100 mL of the final solution?
What is the maximum concentration (in M) of chloride ions in the solution that contains 0100 M Pb2 +? The Ksp for lead (II) chloride is 1.0 x 10-4.
Mass of nitrogen, Suppose 5.0 liters of Nitrogen (diatomic) is at a temperature of 40 degrees C and a pressure of 1.5 ATM
A solution is prepared by mixing 250 mL of 1.00 M CH3COOH with 500 mL of 1.00 M NaCH3COO.
A buffer (pH 3.70) was prepared by mixing 1.00 mole of formic acid and 1.00 mole of sodium formate to form an aqueous solution with a total volume of 1.00 L. To 400 mL of this solution was added 50.0 mL of 1.00 M NaOH. What is the pH of this solut..
3.00×10-3 mol of HBr is dissolved in water to make 17.0 L of solution. What is the concentration of hydroxide ions, OH-, in this solution?
Toluene (C6H5CH3) is a liquid compound similar to benzene (C6H6). Calculate the mole fraction of toluene in the solution that contains 132 g toluene and 115 g benzene.
A canister is filled with 320 g of ice and 100 gm of liquid water, both at 0 C . The canister is placed in an oven until all the H_2O has boiled off and the canister is empty.
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