Chapter 3

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Solute Concentration in Aqueous Solutions • Most biochemical reactions occur in water • Chemical reactions depend on collisions of molecules and therefore on the concentration of solutes in an aqueous solution © 2011 Pearson Education, Inc.
• Molecular mass is the sum of all masses of all atoms in a molecule • Numbers of molecules are usually measured in moles, where 1 mole (mol) = 6.02 x 10 23 molecules • Avogadro’s number and the unit dalton were defined such that 6.02 x 10 23 daltons = 1 g • Molarity (M) is the number of moles of solute per liter of solution © 2011 Pearson Education, Inc.
Page 1 and 2: LECTURE PRESENTATIONS For CAMPBELL
Page 3 and 4: Figure 3.1
Page 5 and 6: Figure 3.2 δ - δ + Hydrogen bond
Page 7 and 8: Concept 3.2: Four emergent properti
Page 9 and 10: Figure 3.3 Adhesion Two types of wa
Page 11 and 12: • Surface tension is a measure of
Page 13 and 14: Moderation of Temperature by Water
Page 15 and 16: Water’s High Specific Heat • Th
Page 17 and 18: Figure 3.5 Santa Barbara 73° 70s (
Page 19 and 20: Floating of Ice on Liquid Water •
Page 21 and 22: Figure 3.6a
Page 23 and 24: • Water is a versatile solvent du
Page 25 and 26: • Water can also dissolve compoun
Page 27: Hydrophilic and Hydrophobic Substan
Page 31 and 32: • Water is in a state of dynamic
Page 33 and 34: • Concentrations of H + and OH -
Page 35 and 36: The pH Scale • In any aqueous sol
Page 37 and 38: Figure 3.10 pH Scale 0 1 Battery ac

Chapter 3

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