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What is the pH of a solution formed by dissolving 0.100 mol of an acid with a Ka of 1.750x(10 to the -5th) and 0.200 mol of the sodium salt of the same acid in a total volume of 1.000L?
Find the change in entropy (S) for the system, surroundings and universe for the conversion of 1 mol of ice at 0 degrees C and 1.00 atm to 1.0 mol of steam (vapor) at 100 degrees C and 0.50 bar. Useful data might be
A heliox deep-sea diving mixture contains 6.0% oxygen and 94.0% helium.What is the partial pressure of oxygen when this mixture is delivered at a total pressure of 9.0
Calculate the minimum number of grams of solid that must be combusted to provide the energy necessary to convert 2.50kg of from its solid form at -14.0 C to its liquid form at 60.0 C .
methane the principal component of natural gas is used is used for heating and cooking. The combustion process is CH4(g) + 2O2(g) -> CO2(g) + 2H2O(l). If 12.1 moles of CH4 react with oxygen, what is the volume of CO2 (in liters) produced at 21.5 d..
vessel above eqm is established and at eqm, partial pressure of SO3 and SO2 are same, calculate no. of moles of O2 present at eqm
Compute the number of moles of H2O will be formed from the reaction 75.1g benzene?
The EPA limit for lead in the water supply is 15 parts per billion by mass. Calculate the number of lead ions present in 1.00 kg of water that is at the EPA limit for lead.
Determine the number of signals expected in the carbon 13 spectra for each of the following compounds. propyl benzene and 1,2,4 trimethyl benzene
(A) What mass of Potassium hydrogen carbonate is needed? (B) What volume of 0.32 M HCl is needed to react completely with the amount of potassium hydrogen carbonate from 2(a)
Write a mechanism for the reaction of an alkyl halide with alcoholic silver nitrate which depicts the type of substitution occurs.
What is the concentration of Ba(OH)2 solution if 22.0 mL of 0.200 M H3PO4 is needed to neutralize
Identify the substance produced in the liver that helps catalyze this reaction.
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