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Using chemical equations, show how the triprotic acid H3PO4 ionizes in water. Phases such as (l) or (aq) are optional Ka1 = ? Ka2 = ? Ka3 = ?
When 0.040 mol of propionic acid, C2H5CO2H, is dissolved in 300 ml of water, the equilibrium concentration of H3O+ ions is measured to be 1.23 x 10-3 M.
Find the mass of sodium required to produce 5.68 L ofo hydrogen gas at STP from the reaction described by the following equation: 2Na+2H2O-->2NaOH+H2
A sample of neon has a volume of 270 mL when it is at a pressure of 831 mmHg. What will be the volume when the pressure is increased to 1238 mmHg?
Enzymatic oxidation of naphthalene by bacteria proceeds of intermediate cis-diol. which prochiral face of naphthalene is hydroxylated in this process?
When the ore lead (ll) sulfide burns in oxygen, the products are lead (ll) oxide and sulfur dioxide. Part A: Balance the equation: express the answer as a chemical equation. identify all of the phases in your answer
The concentration of sugar (glucose, C6H12O6) in human blood ranges from about 80 mg/100 mL before meals to 120 mg/100 mL after eating.
Determine all equilibrium concentrations, the pH, the pOH and the percent ionization of each of the following acids in water.
calculate the solubility of potassium bromide at 23 degrees celuius.assume that the solubility increases by an equal amount for each degree between 20 and30 degrees
The rate at which equilibrium is established depends on the rate at which collisions occur. Estimate the number of collisions/(m3 s) among all molecules of air at 1.0 atm pressure and 0 C.
What is the purpose of Sodium phosphate dibasic when used to make ethanol via fermentation?
Calculate the partition coefficient of caffeine between water and each of the other three solvents. Which of these three organic solvents would be the best choice for extracting caffeine from an aqueous solution?
A balloon at 200.ºC is inflated with hydrogen gas to a volume of 100. mL. It is then further inflated to a volume of 300. mL with oxygen gas. If the reaction between hydrogen and oxygen proceeds 100%, what is the final volume of the balloon
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