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When aqueous solutions of potassiumfluoride and nitric acid are mixed, an aqueous solution of potassiumnitrate and hydrofluoric acid results. Write the net ionic equation for the reaction.
in the blood plasma, pH is maintained by the carbonic acid-bicarbonate buffer system. a)how is pH maintained when acid is added to the buffer system? b)how is pH maintained when base is added to the buffer system
An oxygen molecule having the average velocity at 300K is released from the earth's surface to travel upward. If it could move without colliding with other moleucules, how high would it go before coming to rest. How high could it go if it had the ..
Calculate the weight of precursor salt needed to make 500 ml of a 2 M aqueous solution of the metal ion from each salt.
Explain a solution is prepared by dissolving 89.6g of a nonvolatile solute in 175 g of water. Explain the vapor pressure above the solution is 20.62Torr as well as the vapor pressure of pure water is 23.76Torr at this temperature. Explain what is ..
If the density of mercury is 13.6 g/mL. What is the mass in grams of 15.6 L of mercury?
Container A holds 752 mL of ideal gas at 2.60 atm. Container B holds 184 mL of ideal gas at 4.30 atm. If the gases are allowed to mix together, what is the resulting pressure
Write out two net ionic equations for the reaction of hydrochloric acid with carbonate to form bicarbonate and the reaction of hydrochloric acid
How many milliliters of a stock solution of 10.0 M HNO_3 would you have to use to prepare 0.320 L of 0.550 M HNO_3?
The reaction below might be a suitable coupled reaction reaction to provide the energy for which of the reaction ( a-e)
How many grams of hydrogen are collected in a reaction where 1.92 L of hydrogen gas is collected over water at a temperature of 40C and a total pressure of 738 torr.
A 25 mg brass sample was placed in a 25 mg flask meassured at 35% use your graph to determine mass percent
What is the molarity of a solution made by dissolving 68 g of Mg(NO3)2 in enough water to make 450 ml of solution?
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