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Compute the pH after the addition of 0.0mL, 5.00mL, 18.0 mL, 25.0mL, 38.0mL, 50.0mL and 65.0 mL of 0.200 M NaOH (aq) to 50.00mL of 0.100 M malic acid, L-hydroxybutanedioic acid. pka1=3.459, pka2=5.097
Calculate DG for the reaction CS2 +3 CL2 -> S2CL2 + CCL4 given DH =-231.1 kJ and DS= -287.6 J/k - The answer is -145.3 Kj please show work as to how they got this answer.
What is the pH of a saturated solution of Ba(OH)2 at 25oC? For Ba(OH)2, Ksp=5.0x10-3.
The excess EDTA from this reaction required 19.77 mL of 0.01883 M Pb2+ standard solution to reach an end point. Calculate [Cu2+] in the unknown
Suppose an adult is encased in a thermally insulating barrier so that all the heat evolved by metabolism of foodstuffs is retained by the body. What temperature does her body reach after 3.0 hours
The biggest problem I'm running into is how to complete the ICE chart for the columns Change and Revised Equilibrium. I don't know where those numbers come from.
You have proven sulfanilamide is capable of forming a stable and selective crystal lattice. Draw additional molecules of sulfanilamide and hypothesize the intermolecular interactions that are most important for providing a stable and selective cry..
SrCO3 is a sparingly soluble salt. Using the Ksp from the appendix, a) Determine the concentrations Sr2+ and CO32- when SrCO3 is dissolved in pure water ignoring secondary reactions of Sr2+ and CO32-
If 30.00 mL of 0.500 M HCl is used to neutralize 10.00 mL of KOH, what is the concentration of the base?
How many moles of CaCO3 (MM = 100.1 g/mole) can be in this sample if it is pure CaCO3. What is the % CaCO3 in this sample
Write the equation and states 1. a double replacement between copper (II) nitrate and sodium phosphate. 2. Sodium reacts w/ a solution of iron (II) sulfate forming solid iron and sodium sulfate.
A TLC plate showed two spots with Rf values of 0.25 and 0.26. The plate was removed from the developing chamber, the residual solvent was allowed to evaporate from the plate, and then the plate was returned to the developing chamber
a 0.464g sample of compound containing the elements carbon hydrogen oxygen and sulphur was burned completely yielding
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