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An ammonia/ammonium buffer solution contains 0.22M NH3 and 0.83M NH4^+. The Kb value of ammonia is 1.8*10^-5. Calculate the of this buffer.
What was the volume of the gas when the temp was changed to 50.0C and the new pressure was 760.0 torr.
Calculate the new vapor pressure of water at the same temperature when 740 torr of dry air is added to the container in which the liquid water is held. What is the percent change?
Place the following compounds in order of increasing strength of intermolecular forces. CH4, CH3CH2CH3, CH3CH3
what mass in grams of lead(II) Iodide is formed, assuming the reaction goes to completion? b) What is the molarity of Pb2+ in the resulting Solution?
14.0 moles of gas are in a 6.00 L tank at 22.6 C. Calculate the difference in pressure between methane and an ideal gas under these conditions.
Calculate the number of carbon atoms in 4.56 grams of ethanol (CH3CH2OH).
Calculate the E0 for the following reaction by using the standard reduction potentials data in your lab manual. Write net ionic equation and half reactions of Cr2O72- oxidizing Sn2+ in acidic aqueous solution. Find an calculate their E0
one heating 5.03 g of hydrate barium chloride, 4.23 g is left behind. what is the name of this hydrate?
The commercial synthesis of adipic acid involves the oxidation of cyclohexanol with nitric acid. List the hazards involved with this process, and briefly comment on both the environmental impact and personal exposure issues associated with the com..
if 20. g or NaCl are used and only 5.6 g of HCl are isolated, what is the percent yield of HCl C.) If only 5.6 g of HCl are obtained, how many grams of Na2SO4 must also have been formed
The reactant concentration in a zero-order reaction was 9.00×10^-2 M after 100s and 2.50×10^-2 M after 390s . What is the rate constant for this reaction
95 grams of sodium acetate is dissolved in enough water to make 75 mL of solution. Calculate the pH of the resting solution
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