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General Chemistry II > Chapter 11 > Flashcards

Chapter 11 Flashcards

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1
Q

Molarity (M)

A

mol of solute / L of solution

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2
Q

Molality (m)

A

mol of solute / kg of solvent

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3
Q

Mass Percent (m/m%)

A

mass of solute / mass of solution * 100%

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4
Q

Parts Per Million (ppm)

A

mass of solute / mass of solution * (1*10^6)

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5
Q

Parts Per Billion (ppb)

A

mass of solute / mass of solution * (1*10^9)

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6
Q

Mole Fraction (X)

A

mol of solute / mol of solution

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7
Q

Volume Percent (v/v%)

A

mL of solute / mL of solution

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8
Q

Dispersion

A

Non-polar (6th Strongest)

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9
Q

Dipole Induced Dipole

A

Polar To Nonpolar (5th Strongest)

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10
Q

Ion Induced Dipole

A

Ion To Non Polar (4th Strongest)

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11
Q

Dipole-Dipole

A

Polar To Polar (3th Strongest)

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12
Q

H-Bonds

A

Hydrogen Bonds To N, O, Or F (2th Strongest)

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13
Q

Ion Dipole

A

Ion To Polar Molecule (1th Strongest)

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14
Q

Exothermic

A

ΔH = Negative / Creates Energy From The Reaction / Goes Down

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15
Q

Endothermic

A

ΔH = Positive / Used Energy For The Reaction / Goes Up

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16
Q

When You Increase Temperature (Exo/Endo)

A

Endothermic - increased solubility / Exothermic - decreased solubility

17
Q

Solute - Solute (Strong)

A

Endothermic

18
Q

Solute - Solute (Weak)

A

Exothermic

19
Q

Polar In Polar / Non Polar In Non Polar

A

Exothermic Or Endothermic / Has To Be Close Together / Stronger Interaction

20
Q

Polar In Non Polar

A

Endothermic / Dispersion Weak / Big Difference

21
Q

Water Soluble For Gas

A

Low Temperature
High Pressure

22
Q

Henry’s Law Constant

A

Contraction Of Gas (moles) = Henry’s Law Constant (moles/pressure) * Partial Pressure Of Gass (atm)

23
Q

Raoult’s Law

A

Vapor Pressure Of The Solution = Mole Fraction Of The Solvent * Vapor Pressure Of The Pure Solvent

24
Q

Van ‘t Hoff Factor

A

Amount Of Concentration / Multiple It To Molarity & Molality

25
Q

Vapor Pressure Depends On

A

Number Of Particles / Strength Of Intermolecular Forces

26
Q

When Using Kb

A

You Need To Muttiply By How Many Ions Will Be Created

27
Q

Change In Temperature (Equation)

A

Change In Temperature = boiling/freezing constant * concentration in molaity * Van’t Hoff Factor

28
Q

The Lower Henry’s Law Constant

A

The Lower The Vapor Pressure Lower Soulbity In Water

29
Q

Volitional Dissolving

A

Volitial - Exothermic
Nonvolitial - Endothermic

30
Q

Osmotic Pressure

A

Osmotic Pressure = Van’t Hoff Index * Molarity * Ideal Gas Constant * Temperature In Kelvin

31
Q

Celsius To Kelvin

A

Add 273.15

General Chemistry II (1 decks)

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