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Give an example of a ketone which will produce a positive iodoform test and another ketone w/ the same # of carbon atoms that will test negatively. Draw the structures.
A solution of a weak acid was tested with the indicators used in this experiment. The colors observed were as follows
The absorption spectrum of the complex ion [Rh(NH3)6]3+ has maximum absorbance at 295 nm. Calculate the crystal field splitting energy (in kJ/mol) for this ion.
what is the redox reaction for MnO4- + 8H+ +5Fe2+ ______ Mn2+ + 5Fe3+ + 4H2O and which ion is oxidized and which one is reduced
A 1.70-g sample of a large biomolecule was dissolved in 11.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C. Calculate the molar mass of the biomolecule.
What is the minimum pressure (in torr) that must be applied across the semipermeable membrane to obtain water? Assume room temperature or about 298 K.
You add 5.6 g iron to 28.20 mL of water and observe that the volume of iron and water together is 28.91 mL. Calculate the density of iron.
What is the change in temperature of a 2.50 L system when it is compressed to 1.75 L if the initial temperature was 298K
At what pH does the tripeptide, Ala-Val-Cys, have a net charge of -0.8? A. pH = 4.4 B. pH = 6.0 C. pH = 7.6 D. pH = 8.8 E. pH = 10.8
What size sample should be taken so that the percent purity is equal to five times the milliliters of 0.05M NaOH used to titrate it?
Explain how micelles and more complex solutions work. Consider all Solute-Solute, Solvent-Solute and Solvent-Solvent interactions in such a system.
Consider the following element combinations. Classify the bonds formed between each pair as ionic, polar covalent, or nonpolar covalent based solely on each element's position on the periodic table: P-P, Ca-O, Al-N, O-Br, S-Br, F-F, P-Cl, Cs-Cl
consider the following reaction representing the combustion of propanec3h8 o2 -gtco2 h2oa. balance the equationb. how
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