OH OH а. 1665 (m), 2890-2990 (s), 3030 (m) cm1. b. 905 (s), 995 (m), 1040 (m), 1640 (m), 2850-2980 (s), 3090 (m), 3400 (s, br) cm-¹. с. 2840 (s), 2930 (s) cm1. d. 1040 (m), 2810-2930 (s), 3300 (s, br) cm-1.
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
Please match IR frequencies with each structure that best matches. Please abbreviate as wel: w, weak; m, medium; s, strong; br, broad.
![Table 2.3 (Continued)
Alkenes
3080
3020
1645
1655
1660
1675
1670
Rings
3103
3024
3056-2990
1250
950-890
Alkynes
3315-3270
2260-2210
2140-2100
Nitriles
2300-2200
Aromatic Hydrocarbons
3100-3000
2000-1650
770-730
710-690
770-735
810-750
710-690
860-800
Carbonyls
1900-1580
1720-1700
1740-1720
1680-1660
2900-2700
1625
=CH₂ Asymmetric stretch
=CHR Asymmetric stretch
RCH=CH₂
R₂C=CH₂
cis-RCH=CHR
trans-RCH=CHR
R₂C=CHR and R₂C=CR₂
Cyclopropane asymmetric stretch
Cyclopropane symmetric stretch
Epoxides
Epoxide symmetric ring stretch
Epoxide asymmetric stretching of ring
=C-H
C=C Internal
C=C External
C=N Stretch
C-H Asymmetric stretch
Benzene substitution pattern region
Monosubstituted benzenes
Monosubstituted benzenes
ortho-substituted benzenes
meta-substituted benzenes
meta-substituted benzenes
para-substituted benzenes
Carbonyl groups
Ketones
Aldehydes
Unsaturated ketones
Aldehyde C-H stretch
B-Diketones
(Continued)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5a69495d-4fb2-49d2-8dca-e003f82cdb91%2F52a47500-3893-429a-a911-e39527f1c80a%2Fzlouh4m_processed.png&w=3840&q=75)
![SOH
OH
a. 1665 (m), 2890-2990 (s), 3030 (m) cm-1.
b. 905 (s), 995 (m), 1040 (m), 1640 (m), 2850-2980 (s), 3090 (m), 3400 (s, br) cm-1.
с. 2840 (s), 2930 (s) cm1.
d. 1040 (m), 2810-2930 (s), 3300 (s, br) cm-¹.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5a69495d-4fb2-49d2-8dca-e003f82cdb91%2F52a47500-3893-429a-a911-e39527f1c80a%2F76e5ahn_processed.png&w=3840&q=75)
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