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Calculate the pH at the equivalence point for the titration of 0.170 M methylamine (CH3NH2) with 0.170 M HCl. The Kb of methylamine is 5.0× 10-4.
When a 8.26-g sample of gaseous hydrogen bromide dissolves in 36.2 g of water in a coffee-cup calorimeter the temperature rises from 25.00C to 82.14C. Calculate H in kJ/mol HBr for the solution process.
Suppose scheme one involves the reaction of the Grignard reagent containing more carbon atoms with the carbonyl compound containing less carbon atoms and scheme two involves the reaction of the Grignard reagent containing less carbon atoms with th..
Calculate the volume change upon mixing sufficient ethanol with 8.85mol of water to give this concentration. The densities of water
How to calculate the volume of 1.5M aqueous pottasium hydroxide require to react completly with 2g of benzoic acid and extract the solution twice using the volume calculated?
A solution is prepared by mixing 79.0 mL of 5.00 M HCl and 34.0 mL of 8.00 M HNO3. Water is then added until the final volume is 1.00 L. Calculate [H+ ], [OH - ], and the pH for this solution.
The solubility of AgCl(s) in water at 25 degrees C is 1.33*10^-5 mol/L and its deltaH0 of solution is 65.7 kJ/mol.
Assume that the wet limestone process requires 1 metric ton of calcium carbonate to remove + 85.0 % of the sulfur from 4 metric tons of coal containing + 10.0 % S Assume that the sulfur product is calcium sulfate.
Cars were timed by police radar as they passed in both directions below a bridge. Their velocities (kilometres per hour, numbers of cars in parentheses) to the east and west were as follows
How many molecules (not moles) of NH3 are produced from 1.52×10?4g of H2?
If a bottle of nail polish remover contains 181 g of acetone, how much heat would be released by its complete combustion? The density of acetone is 0.788 g/mL
Al(OH)4-(aq) → AlO2-(aq) + 2 H2O(l) What is the oxidizing agent? What is the reducing agent? What is the substance being oxidized?
Why was cold deionized water added to the reaction mixture rather than hot water, and what is the purpose of acetic acid?
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