Silver Phosphate, Ag3PO4, is an ionic compound with a solubility product constant Ksp of 206 x 10 ^ - 18. Calculate the solubility of this compound in: a) pure water b) 0.2 mol L-1 or 0.2 M Na3PO4 I was able to solve part a, I got the solubility of silver phosphate in water to be 1.76 x 10 ^ -5 M. I am not sure how
1. Draw structural diagrams and give the names for the isomers of pentane. 2. When 2-butene reacts with hydrogen chloride gas, only one product is detected, whereas when 1-butene reacts similarly, two products are usually found. Explain this. 3. Geometric isomers exist in the alkenes but not in the alkynes. Explain why.
In this problem the H NMR spectrum of styrene oxide shows that protons 1, 2, and 3 all have different chemical shift values. Proton 2 is coupled to both proton 1 (J= 5.8 Hz) and proton 3 (J=2.5 Hz). Draw a scale tree diagram and your best rendering of the resulting peaks for proton 2. See attached file for full problem desc
Are there differences between having electron-donating groups and electron-withdrawing groups on benzoate esters? Why or why not?
We are performing an experiment involving the crystallization of sulfanilamide using 95% ethyl alcohol as the solvent. I am having trouble creating a hypothesis and I wanted your help on creating one. The graph attached on the scan will help.
On the basis of the Hückel rule for aromaticity, decide whether each of the attached compounds is aromatic or not, and state why. Note: If you have the correct answer but the wrong reason, you will get no credit.
2. Develop a four point argument to predict whether O or N is thermodynamically more basic in the following structure (See attachment for structural formula) 3. Predict whether the E or Z will be produced by E2 elimination for the following structure (1-bromo-1,2 -diphenylpropane). Use wedge and dashed line of Newman or sawho
What is the correct structure for D-glucopyranose? What is the relationship between the following compounds? a) anomers b) meso compounds c) enantiomers d) equivalent structures What is the relationship between the following compounds ? a) anomers b) meso compounds c) enantiomers d) equivalent structures
1) Use the synthetic division to find: f(-2) f(x)= 2x^2 - 3x^2 + 7x - 12 2) For the function f(x) = -x^3 + 8x^2 - 40 Show how to use synthetic division to find out if -1 is a zero. 3) One of the zeros of the function f(x) = x^3 - 7x^2 + 17x - 15 is 2-i. Find all the other zeros 4) Use the intermediate value theor
(See attached file for full problem descriptions) D. Assume you have a mixture of the three amino acids. Predict the electrophoresis pattern you would expect to see at pH 7.6. Explain your prediction by indicating charges expected on each amino acid at pH 7.6 3. The amino acid, isoleucine, is shown attached. Show what re
I need some help with these questions: A. Explain the following NMR spectrum for N,N - Dimethylformamide. At room temperature, three peaks are observed: 1. 2.9 (singlet, 3H) 2. 3.0 (singlet 3H) 2. 8.0 (singlet, 1H) As the temperature is raised, only 2 peaks are observed: 1. 2.95 (singlet, 6H) 2. 8.0 (singlet, 1H) B.
5. Show the products of the following reagents (see attached file) with p-methylbenzoic acid. 6. Match the compounds with the following boiling points. Be sure to explain your selections in terms of intermolecular forces involved (see attached file). (See attached file for full problem description)
A. Draw structures for the following compounds (see attached file) B. Name the following compounds (see attached file) C. Rank the following compounds in terms of increasing acidity. Explain your reasoning. (see attached file) (See attached file for full problem description)
1. Which of the isomeric amines below has a higher boiling point? Explain your reasonsing and make a drawing to illustrate the intermolecular forces involved: (CH3 -CH2-CH2)3-N vs. CH3-(CH2)8-NH2 2. Show the reagents needed to synthesize 1-propanamine from the following: CH3CH2CHO CH3CH2CN CH3CH2CONH2 3. Name t
1. What are the ingredients of a cephalin? 2. Which fatty acid is always unsaturated in a cephalin? Why? 3. What is the enzyme system used in the formation of the prostalandins and thromboxanes? 4. Would you expect sodium ions (Na+) to be able to pass easily into a cell through bi-layer membrane wall? Why or Why not?
Methanol, Ethanol, & 1-Propanol 1) How would you sketch these three alcohol molecules? 2) What is each of their polarity? 3) What differences might you expect in the comparative solubility of each of them in lipids? WHY??? 4) If you were to add 2 drops of sheep blood to each of these alcohols (about 1/3 of a small te
In the mass spectrum of butylbenzene, the base peak occurs at m/z a. 134 b. 119 c. 105 d. 91 The number of mono-bromination products of p-xylene is a. 1 b. 2 c. 3 d. 4 Which of the following compounds has the lowest boiling point? a. p-dichlorobenzene b. o-dichlorobenzene c. m-
I need some help with answering these questions: (See attached file for full problem description and structural formulas) 1. Predict whether the molecule would be expected to show aromatic character or not. Explain your answer. 2. What is the hybridization of the nitrogen atom in sulfathiazole? 3. Assuming that the sulfur
6. The mass spectrum and the infrared spectrum for an unknown hydrocarbon are shown below. From this information, suggest a structure for the hydrocarbon. Indicate on the spectra how your structure fits the data. (See attached file for full problem description)
4. Infrared Spectroscopy (a) Deduce a possible structure for the compound with the following major IR absorptions. Explain your choice based on the IR absorptions, indicating the absorptions on your molecule. C4H8O: 3000, 2850 (weak), 2715 (weak), 1730 (strong) cm^-1. (b) How could you use IR spectroscopy to distinguish betw
Absorption of UV-visible energy by a molecule results in: a. vibrational transitions b. rotational transitions c. proton flips d. electronic transitions. 2. Which of the following compounds absorbs the longest wavelength of UV-visible light? a. 2-butene b. 1,4-hexadiene c. 1,3-hexadiene
Benzene is a organic solvent with the formula, CB6BHB6B. It boils at 80.1 C and melts at 5.5 C. Benzene's density is 0.88 gm/ml, its heat of vaporization is 20.0 KJoules per mole, its heat of fusion is 10.0 KJoules per mole, its heat capacity is 0.50 KJoules per mole-degree C for liquid benzene, 0.25 KJoules per mole-degree C fo
How many unpaired electrons are in nickel atom? Use electronegativity values to arrange the following bonds in order of increasing polarity. H---F H---CL C---S C---O
Determine how many valence electrons and if it is neutral 1s2, 2s2, 2p3 1s2, 2s2, 2p6 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d6 AR 4s2, 3d5 Kr 5s2 4d10, 5p5
Some isomeric products were isolated from the free-radical chlorination of (R)-sec-butyl chloride. a) Draw stereochemical structures of the 1,2-, 2,2, and 1,3- dichlorobutanes obtained in this way. Give the proper R/S specification of 1,2 and the 1,3-dichlorobutanes. b) Which of these fractions as isolated will be optically act
Please see the attached for diagram. What is the number of carbon atom that determines whether the carbohydrate shown below belongs to the D series or to the L series? a. 1 b. 2 c. 3 d. 4 e. 5
Please see attached The fact that glucose undergoes mutarotation is best explained by a. righ flipping between nonequivalent chair conformations by the b-pyranose form. b. interconversion of the alpha and beta pyranose forms. c. interconversion of aldehyde and enol forms d. interconversion of aldehyde and ketone forms e.
Each of the following statements about fructose is correct except one. Which statement is incorrect? a. Fructose is a stereoisomer of glucose b. Fructose has six carbon atoms c. Fructose is a monosaccharide d. Fructose is a ketose
Each of the following statements about glucose is correct except one. Which statement is incorrect? a. Glucose is an aldose b. Glucose is a hexose c. There are 14 diastereomers of glucose (in its open-chain form). d. Glucose is a monosaccharide e. Glucose is a stereoisomer of ribose.
Show that you know how to make the compound shown int he attachment by identifying the first step in its synthesis from 1-bromobutane. With which of the following would you treat 1-bromobutane in the first step?