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• How does the magnitude of Ka (or pKa) affect the equivalence point volume and why? Briefly explain your reasoning.• How does the magnitude of Ka (or pKa) affect the equivalence point pH and why? Briefly explain your reasoning.
Analysis of water in a sediment sample at equilibrium at pH 7.00 showed [SO42-] = 2.00 x 10^-5 M and a partial pressure of H2S of 0.100 atm. Show with appropriate calculations if methane, CH4, would be expected in the sediment.
The reference solution is made acidic instead of basic. How would this change the the test for Precipitating the CO32- and how will it change the composition of the precipitate
A sample of steam with a mass of 0.550 g and at a temperature of 100C condenses into an insulated container holding 4.50 g of water at 6.0C. Assuming that no heat is lost to the surroundings, what will be the final temperature of the mixture?
Calculate the equilibrium partial pressure of bromine gas. No approximations can be made because the equilibrium constant is too large.
Calculate the values of E for the cell when the following volumes of the ce4+ titrant hav been added:(Activity coefficients may be ignored as they tend to cancel when calculating concentration ratios). 1.50 ml 20.0 ml 39.0 ml 40.0 ml 44.0 ml 80.0 ..
Explain this theary and how the shapes of simple molecules and polyatomic ions can be worked out using it. you will need to illustrate your account with a number of diagrams, in particular showing the difference typical shapes of simple molecules ..
For experiment 4 in chem. 208, Explain how do you find the term symbol. For example part 1b how did she determine the term symbol for the red line color
The "flap" end nuclease recognizes the junction between RNA and DNA near the 5' end of an Okazaki fragment. Name two structural features that might be recognized by the enzyme. Briefly explain.
Calculate the molecular mass of the nonionic solutes.
Calculate Q when the solutions are mixed (time zero). Indicate how the reagent concentrations will changes as the reaction proceeds.
A mixture of butene and butane burn in the air to give CO2 and H2O.suppose u burn 2.86g of the mixture and obtain 8.80g of CO2 and 4.14g of H2O.
what is the enthalpy of the reaction 2X(aq)+Y(l) ? X2Y(aq) given that the solution has the same heat capacity as water?
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