Hot and spicy foods contain molecules that stimulate paindetecting nerve endings. Two such molecules are piperine and capsaicin: Piperine Capsaicin Piperine is the active compound in white and black pepper, and capsaicin is the active compound in chili peppers. The ring structures in piperine and capsaicin are shorthand notation. Each point where lines meet represents a carbon atom. a. Complete the Lewis structure for piperine and capsaicin, showing all lone pairs of electrons. b. How many carbon atoms ate sp , sp 2 , and sp 3 hybridized in each molecule? c. Which hybrid orbitals are used by the nitrogen atoms in each molecule? d. Give approximate values for the bond angles marked a through l in the above structures.
Hot and spicy foods contain molecules that stimulate paindetecting nerve endings. Two such molecules are piperine and capsaicin: Piperine Capsaicin Piperine is the active compound in white and black pepper, and capsaicin is the active compound in chili peppers. The ring structures in piperine and capsaicin are shorthand notation. Each point where lines meet represents a carbon atom. a. Complete the Lewis structure for piperine and capsaicin, showing all lone pairs of electrons. b. How many carbon atoms ate sp , sp 2 , and sp 3 hybridized in each molecule? c. Which hybrid orbitals are used by the nitrogen atoms in each molecule? d. Give approximate values for the bond angles marked a through l in the above structures.
Solution Summary: The author explains the Lewis structures of two compounds, Piperine and Capsaicin, depicting all lone pairs present, and the approximate value of bond angles.
Hot and spicy foods contain molecules that stimulate paindetecting nerve endings. Two such molecules are piperine and capsaicin:
Piperine
Capsaicin
Piperine is the active compound in white and black pepper, and capsaicin is the active compound in chili peppers. The ring structures in piperine and capsaicin are shorthand notation. Each point where lines meet represents a carbon atom.
a. Complete the Lewis structure for piperine and capsaicin, showing all lone pairs of electrons.
b. How many carbon atoms ate sp, sp2, and sp3 hybridized in each molecule?
c. Which hybrid orbitals are used by the nitrogen atoms in each molecule?
d. Give approximate values for the bond angles marked a through l in the above structures.
How can Beer’s Law be used to determine the concentration in a selected food sample. Provide an in-depth discussion and examples of this.
b)
H3C-
H3C
Me
CH 3
I
HN
Me
H+
Using Luther's rule, determine the reference potentials of the
electrodes corresponding to the low stability systems Co³+/Co and
Cr²+/Cr from the data in the table.
Electrodo
ΕΝ
Co²+/Co
Co3+/Co²+
-0,28
+1,808
Cr³+ / Cr
-0,508
Cr3+ / Cr²+
-0,41
Chapter 4 Solutions
Bundle: Chemistry: An Atoms First Approach, 2nd, Loose-Leaf + OWLv2, 4 terms (24 months) Printed Access Card
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