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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
Consider two unequal numbers. If 4 times the smaller number is subtracted from 4 times the larger number, the difference is 18. The larger number is 13/4 of the smaller. Find the two numbers. They are not necessarily integer values.
What volume of hydrogen gas is produced when 62.0 g of sodium reacts completely according to the following reaction at 25 oC and 1 atm? sodium (s) + water (l) ----sodium hydroxide (aq) + hydrogen (g)
A nugget of pure gold of 4.90 grams absorbed heat of 270 Joules. determine the final temperature of the Au if the initial temperature = 22.0°C? specific heat of Au =0.129 J/(g·°C).
When 64.5 g of HCl are allowed to react with 17.6 g of O2, 50.4 g of Cl2 are collected. Determine the limiting reactant, theoretical yield of Cl2 and percent yield for the reaction.
A gas has an initial volume of 2.75 L at temperature of 285 K. If the temperature changes to 380 K, what is the new volume of the gas if the pressure is unchanged?
solid lithium hydroxide reacts with gaseous carbon dioxide to form solid lithium carbonate and liquid water. what mass
Low molecular weight ketones are soluble in water. Explain what is the shortest length of the carbon chain where insolubility becomes important
You are given 10.0 of aluminum and 15.0 of chlorine gas. Part A If you had excess chlorine, how many moles of of aluminum chloride could be produced from 10.0 of aluminum
The NaOH Solution with a concentration of .188M is used to titrate a diprotic acid of unknown concentration. 25.00 mL of the acid solution requires 26.54 mL of NaOH solution. What is the concentration of the acid solution
Complete and balance the equations for the following acid-base reactions name the reactants and the products HCIO4(aq)H2+NH3(aq)
when 1.0g of salicyclic acid is used with 2mL of acetic anhydride, which compound is the limiting reagent?
Solutions of silver nitrate and aluminum iodide are mixed together, forming solid silver iodide and aqueous aluminum nitrate.
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