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If you weigh the lauric acid to the nearest 0.1g and you weigh the unknown solid to the nearest 0.0001g, can you calculate a molar mass of your unknown solid to three significant figures? Show clearly your reasoning.
What volume of a 15.0% by mass NaOH solution (density 1.116g/mL), should be used to make 5.3L of an NaOH solution with a pH of 10
The standard free energy of formation of nitric oxide, NO at 1000K is 78kJ/mol, calculate the equilibrium constant for this reaction at 1000K, N2(g) + O2(g) 2NO(g)
compounds like ccl2f2 are known as chlorofluorocarbons or cfcs. these compounds were once widely used as refrigerants
The only two accessible conformations of a protein differ by 2kJ/mol. What percentage of protein molecules will be in the higher energy state at 350K? at 270K
Calculate the pH during the titration of 10.00 mL of 0.400 M hypochlorous acid with 0.500 M NaOH. First what is the initial pH (before any NaOH is added). The Ka for HOCl is 3.0 x 10-8 M. 2.What is the pH after 2.40 mL of NaOH are added
Would a buffer containing HF and F- in appreciable quantity be expected to have a pH of around 3,5,7 or 9? Justify your answer.
find the contact time for inactivating gardia cysts.how much contact time would be required for inactivating
What is the difference between the virial equation of state and the SRK equation of state? When would you use one versus
A compound consist of 40.00% carbon, 6.71% hydrogen and 53.29% oxygen and has a molecular mass of 180+- 1g/mole. Determine the empirical and molecular formulas of the compound.
Phosphoric acid is produced by the reaction of calcium phosphate, Ca_3(PO_4)_2, with sulfuric acid. How much phosphoric acid can one make from exactly one U.S. ton (2000 lbs) of calcium phosphate
What would those concentrations be if you added HCl or NaOH to bring the pH to 3.2 or 7.35, respectively
Draw and label the flowchart and show the degree of freedom analysis for the overall process, the split point, the treatment unit, and the mix point.
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