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Problem- Use the values in Appendix D of your text to calculate Ka to four decimal places for the hydrogen sulfate ion at 25 °C. (The answer in my Chem II text is 0.012.) HSO4-(aq) SO42-(aq) + H+(aq) Ka = ?
If possible just a to the point details about how you got the answer?
calculate the molecular weight of Isoamyl acetate with a density of 0.876. Then calculate the theoretical yield of isoamyl acetate in ml, grams and moles. Show all work and calculations.
What is the animal's initial radiation exposure in Curies. If all of the energy from the emitted alpha particles is absorbed by the animal's tissues, and if the energy of each emission is 7.77*10-12
Determine the enthalpy change for the following reaction below using (a) standard enthalpies of formation, and (b) average bond energies. Explain why the two values might be different.
Select all of the reaction mechanisms that are likely to occur when 1-bromonorbornane (shown) is treated with sodium ethoxide in ethanol.
Assuming gasoline is 89.0% isooctane, with a density of 0.692 g/mL, what is the theoretical yield (in grams) of CO2 produced by the combustion of 1.56 x 1010 gallons of gasoline
Nitrogen dioxide decomposes according to the reaction given below where Kp = 4.48 10-13 at a certain temperature. 2 NO2(g) 2 NO(g) + O2(g) A pressure of 0.23 atm of NO2 is introduced into a container
An unknown liquid boiling around 185 +/- 5 degrees C in 5% HCl and in a pH 5.5 buffer but is insoluble in water. Shaking the unknown with p-touluenesulfonyl chloride in aqueous NaOH produces a white precipitate that doesn't dissolve in dilute HCl...
Methane (CH4), ammonia (NH3), and water (H2O) all have octets around the central atom, yet they have different shapes and bond angles
Question- What would be the pH of a solution in a 250ml solution that contains 30grams of sodium salt of arachidonic acid
A solution of PbI2 has [Pb2+] = 4.5 x 10-5 and [I-] = 6.5 x 10-4. PbI2 has Ksp = 8.7 x 10-9. Write down the reaction that is taking place. Calculate Q. Is Q larger or smaller than the Ksp? Is the solution unsaturated, saturated, or supersaturated?..
A certain 1.00 L buffer contains 0.600 mol of a base and 0.430 mol of the conjugate acid. The pH is 8.30. What is the pKa fo the conjugate acid
If a raindrop weighs 53 mg on average and 5.1 105 raindrops fall on a lawn every minute, what mass (in kg) of rain falls on the lawn in 3.0 h.
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