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Calculate the pH of a buffer solution made by mixing 44 ml of a 0.06 M ammonia solution with 60 ml of a 0.10 M ammonium nitrate solution. Give the pH to two decimal places.
Calculate the pH for the following cases in the titration of 25.0mL of 0.2M cyanic acid (HCNO, pKa=3.66) with 0.2M RbOH solution
How much heat is absorbed in the formation of 1.69 mol of NO? Answer units KJ
calculate the volume of a chromium atom in microliters if the volume of a single chromium atomcr 8.10e-24 cm3.
A solution is made by dissolving 0.732 mol of nonelectrolyte solute in 837 g of benzene. Calculate the freezing point and boiling point of the solution.
the activation energy is 18 kj/mol and the overall delta E is -136 kj/mol. How times faster will the reaction occur at 50C than at 0C for the forward reaction
calculate the heat released when 1.95 l of cl2g with a density of 1.88 gl reacts with an excess of sodium metal at
a 70g piece of ice at 0c is added to a sample of water at 8c, all of the ice melts and the temp of the water decreases to 0c, how many grams of water were in the sample?
if 4.50g of methane gas is introduced into an evacuated 2.00 L container at 35 celcuis what is the pressure in the container?
How does this work. Do you just omit the H20/Oh-. Calculate the value for the equilibrium constant for each of the following aqueous reactions.
one of the precursors you need to verify a mechanism is benzaldehyde with the para-hydrogen isotopically labelled as
What is the value of K for the reaction between hydrocyanic acid and ammonia, which is shown here
H3PO4 behaves differently at different higher temperatures, give details of reaction that occurs at different temperatures
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