Chemical Reactions

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U1L2

Biology

12th

14 Terms

1
Van der Waals Forces
  1. Electrostatic

  2. Induction

  3. Dispersion

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2
Electrostatic
Dipole-dipole

present in polar compounds
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3
induction
dipole induced force

polar compounds

if there is no hydrogen bonding but the molecule has polarity
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4
disperson
london dispersion force

non-polar compounds
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5
what do polar compounds dissolve in?
polar compounds (sugar and water)
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6
what do non-polar compounds dissolve in?
non-polar (nail polish, acetone)
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7
properties of water
heat capacity is very high: amount of heat required to warm up water is high

adhesion: attraction to different molecules

Cohesion: attraction to same molecules

Density of liquid vs solid
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8
hydrophilic
can dissolve in H2O

polar compounds
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9
hydrophobic
cannot dissolve in H2O

non-polar compounds
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10
Types of reactions
Condensation/dehydration, hydrolysis, neutralization, redox (oxydization)
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11
hydrolysis
molecules of H2O break

AB+H2O→A-OH + B-H
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12
Condensation/Dehydration
to synthesize bigger molecules and H2O is produced

AOH+BH→AB+H2O
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13
neutralization
when acid and base react with each other and produce salt and water

Acid+Base→Salt+water
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14
redox
reduction in oxydation

one reaction is gaining electrons (reduced) (RIG) and other is losing electrons (oxidized) (OIL)
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