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1. Perchloric acid is either a Brønsted-Lowry acid or a Brønsted-Lowry base. If it is an acid, what is it's conjugate base? On the other hand, if it is a base what is it's conjugate acid?
2. Phosphate ion is either a Brønsted-Lowry acid or a Brønsted-Lowry base. If it is an acid, what is it's conjugate base? On the other hand, if it is a base what is it's conjugate acid?
3. H2C2O4 is either a Brønsted-Lowry acid or a Brønsted-Lowry base. If it is an acid, what is it's conjugate base? On the other hand, if it is a base what is it's conjugate acid?
4. Hydrobromic acid is a strong acid. Calculate the pH of a 8.5 x 10-3 M solution of this acid. Provide an answer correct to 2 significant figures.
5. Calculate the pH of 1.52 grams of nitric acid dissolved in 575 mL of water. Provide an answer correct to 2 significant figures. Provide an answer correct to 2 significant figures.
6. Calculate the pH of 5.00 mL of 0.25 M perchloric acid that has been diluted to 50.0 mL.Provide an answer correct to 2 significant figures.
what are the heats of formation of the following species.
State which of the following species has the strongest conjugate base and briefly explain your choice. (a) HSO4- (aq)
How many grams of solute are present in each of the following aqueous solutions?
An organic compound has a molecular formula C6H12O2. Its IR spectrum shows a strong carbonyl absorption band near 1740 cm-1. Its H-NMR spectrum shows ONLY two singlets. Propose a structure that is consistent with these data.
How many ounces of pure zinc must be alloyed with 25 ounces of brass that is 30% zinc and 70% copper to produce brass that is 55% zinc?
The solubility of a gas in water is 0.22 g/L at 20 kPa of pressure. What is the solubility when the pressure is increased to 115 kPa
One thousand [kg-mole/hr] of an equimolar mixture of propane(1)/n-butane(2) is burned in 60% excess air, where 45 % of propane(1) produces CO and the rest CO2 , and all the n-butane goes to complete combustion.
Explain why lan Forsythe, a middle-aged college professor from Boston, was in the Swiss Alps studying astronomy during his sabbatical leave. He had been there for two days as well as planned to stay the entire year.
what is the maximum number of electrons that can have a principal quantum number of 3 within one
How many Grams of NH3 are consumed when 12.5 grams of 02 react completely in the following equation? I am not sure exactly how to solve this.
Identify the compound: molecular mass 113; gives a positive hydroxamate test, which indicates the presence of either an acyl chloride or an ester
Calculate the equilibrium constant KP if the total pressure is 2.6 atm at that temperature.
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