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GIVEN: Closed system (air filled piston-cylinder device)P1 = 100 bar, T1 = 400deg C, P2 = 10 bar, T2 = 100deg C,
CASE 1: air first undergoes a constant VOLUME process (to 10 bar), then undergoes by a constant PRESSURE process (to 100deg C).
CASE 2: first undergoes constant PRESSURE process, followed by constant VOLUME process. FIND: air specific volume at initial, final, and both intermediate states.
Calculate the molar solubility of bismuth sulfide, Bi2S3 (Ksp = 1.6 x 10-72) in (a) pure water, and (b) 0.05 M cadmium sulfide, CdS
Drink cost $1.00 for 24oz or $0.76 for 0.50L. Assume 1qt=32oz. What is the price per liter of the 24oz bottle
What are the other side products present in this biocatytic reaction? Name the principal enzymes taking part in this bioconversion. To which class of enzymes do they belong to?
A mixture of acetaldehyde CH3CHO and propanal C2H5CHO under basic conditions
We put the sample 50.0 cm3 0.02 M HCl solution and for the back titration of the acid we needed 25.3 cm3 0.02 M NaOH solution. Calculate the concentration of the ester which reacted.
Write the net ionic equation for this reaction. (Include states-of-matter under the given conditions in your answer. Use the lowest possible whole number coefficients.)
You have a solution of 0.085 M HNO2 and 0.15 M KNO2 (Ka for HNO2 = 4.5 * 10-4) what is the pH
Calculate the pH at the equivalence point for the titration of 0.10 M HCl with 0.10 M NH3 (Kb = 1.8 x 10-5).
will strontium sulfate form a precipitate at 25 degrees celcius when 345mL of a solution that is .0100M in Sr+2(aq) is added to 75mL of a .175M SrSO4
calculate the number of calories required of heat energy required for warming 39.8 grams of water from 19.9 degrees Celcius to 30 degrees Celcius.
how many grams of gold would plate on the metal used for the medallion? Explain what you are thinking as you show your calculations.
When 40 mL of 0.500 M HCl is titrated with 0.600 M NaOH, the pH increases. What is the pH of the solution after 33 mL of 0.600 M NaOH has been added. (assume volumes are additive)
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