How many dipeptides can be formed between isoleucine and glutamine?
A) 1
B) 2
C) 3
D) 4
E) 5
How many dipeptides can be formed between isoleucine and glutamine? A) 1 B) 2 C) 3...
How many alkene products can be formed when the alkyl iodide
shown below undergoes E1 elimination?
9. How many alkene products can be formed when the alkyl iodide shown below undergoes El elimination? CH3 CH CH A) 1 B) 2 C) 3 D) 4 E) 5
How many three-digit numbers can be formed from the digits 0, 1, 2, 3, 4, 5, 6, and 7 if each digit can be used only once, how many are greater than 330
How many allylic halides can be formed when 3-methycyclohexene undergoes allylic halogenation with one equivalent of NBS and light? (this is not about major or minor product but possible products) O a. B) 2 O b. A) 1 O c D) 4 O d. C) 3
PLEASE DO THESE QUESTION 1: How many products are formed from the reaction of NaCN with 3-bromo-2,2-dimethylbutane? a: two b: four c: three d: one 2: How many products are formed from the substitution reaction of NaCN with 2-bromo-3-methylbutane? a: two b: three c: four d: one 3: Which of the following terms BEST describes the stereochemistry of an SN2 reaction? a: Inversion b: None of these c: Racemization d: Retention 4: Which of the following terms BEST describes the...
(1 pt) 4. How many stereoisomers does the amino acid isoleucine (shown below) have: Draw (R,R) isoleucine (3 pts) HUN OH
15. Given the digits 1, 2, 3, 4, and 5, find how many 4-digit numbers can be formed from them: (a) If no digit may be repeated. (b) If repetitions of a digit are allowed. (c) If the number must be even, without any repeated digit. (d) If the number must be even.
3. How many tertiary amines have the formula C3H,N? a. 1 b. 2 c. 3 d. 4 e. 5 f. 6
E) [Ar]3d04s44p 2) How many lone pairs of electrons are on the O atom in OF2? A) 0 B) 1 C) 2 D) 3 3) Which atom in each group (I and II) has the smallest atomic radius? (I) Ca, Ti, Br (II) O, S, Se A) Ca; Se B) Br; Se C) Br; O D) Ca; O 4) How many valence electrons are there in a Bi atom? A) 2 B) 3 C) 4 D) 5 E) 6 5)...
5) 5) How many singlets will the IH NMR spectrum of 2-bromo-3-methyl-2-butene exhibit? A) 1 B) 2 C) 3 D) 4 E) 5 6) How many signals does the 1 H NMR spectrum of 4-methyl-1-propylbenzene have? A) 4 B) 5 C) 6 D) 7 E) 8 7) 7) What is the main intramolecular force between two molecules of propanoic acid? A) London dispersion forces B) hydrogen bonding dipole-dipole interaction D) induced dipole interactions E) none of the above 8) The...
5. How many stable structure(s) are shown below? A. 0 B. 1 C. 2 D. 3 E. 4 6. Determine the number of zero-force members for the following truss A. 8 B. 10 C. 12 D. 22 E. None of the above