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Question- A weak acid is placed in a beaker of pure water. At equilibrium, HA has a concentration of .05 M and it conjugate base has a concentration of .01 M, as well as [H3O+]. What is the % ionization? And the Ka value?
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What is the pH in which 10.0mL of 0.010 mol/L Sr(OH)2 are added to 10.0mL of 0.010mol/L HCl?
The major industrial method for the preparation of elemental phosphorus is heating a mixture of phosphate rock, carbon, and sand in an electric furnace. The chemical reactions can be represented by
Calculate the activity coefficient of glucose in this solution if the solution freezes at -0.66 C.
The F-Cl-F bond angle between adjacent F's in ClF3 (Cl being the central atom) is closest to
what would be the effect on my calculated molecular weight of p-dichlorobenzene if my lab partner left the stopper off of the apparatus while I was weighing the solid p-chlorobenzene. Explain in detail what would happen if this occured and how it ..
The normal freezing point of ammonia is -78 degrees celsius. Predict the signs of Delta H, Delta S, and Delta G for ammonia when it freezes at -80 degrees celsius and 1 atm: NH3 (l) ---> NH3 (s)
Problem- Given that Ksp=8.1 x 10^-9 for barium carbonate, BaCo3, and the Ka2=4.8x10^-9 for carbonic acid, H2CO3, calculate the molar solubility S of barium in a solution buffered at a pH of 4.00
Consider a solution of carbonic acid, H2CO3. (a) Calculate the H3O+ ion concentration of a 0.15 M solution of carbonic acid.
determine the mass of silver phosphate formed when 4.33 g of silver nitrate is reacted with 22.7 mL of .118 M K3PO4 ?
Which monatomic ion has a charge of 1+ and the electron configuration [Kr]4d105s2? Write the element symbol and charge.
Arrange the acids HOBr, HBrO3 and HBrO2 in order of increasing acid strength, and explain why.
Problem- Calculate the heat required to change the temperature of 190 g of CO2 (g) from 300 K to 320 K at 1 atm pressure. Cs = 0.84 J/g-K
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