Section 3 Flashcards

1
Q

How to calculate the number of moles? (solids)

A

n = m/M

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2
Q

How to calculate the number of moles? (liquids/solutions)

A

n = c V

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3
Q

What is the Gas Law formula?

A

Pv=nRT

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4
Q

Converting Celsius to Kelvin

A

K = celcius + 273

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5
Q

How much does 1 atm equal in kPa?

A

1 atm = 101.3 kPa

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6
Q

How to calculate reaction rates?

A

Use change in concentration (M/sec)

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7
Q

Four ways to increase rate of reaction

A

Increase concentration of reactants, Increase temperature, decrease volume and introduce a catalyst

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8
Q

First 10 elements on periodic table?

A

Hydrogen Helium Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon

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9
Q

Nemonic for the first 10 elements on the periodic table?

A

Henry Hester Likes Beer But CanNot Obtain Food Now

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10
Q

What does the group number in the periodic table refer to?

A

Column Number

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11
Q

What does the period number in the periodic table refer to?

A

Row Number

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12
Q

Definition of polarity (chemistry)

A

Difference in electronegativity on two ends of a bond such that its not cancelled out

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13
Q

Naming the longest carbon chain prefixes…

A

Meth Eth Prop But Pent Hex Hept Oct Non Dec

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14
Q

What is Markovinikov’s Rule?

A

Hydrogen will attach to the Carbon with the least Hydrogen

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15
Q

Esterification is the combination of what types of molecules?

A

Alcohol and Carboxylic Acid

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16
Q

Amides are formed by what two types of molecules?

A

Amine (NH2) and Carboxylic Acid

17
Q

An acid is a…

A

Hydrogen donor

18
Q

A base is a…

A

Hydrogen acceptor

19
Q

Formula to calculate pKa from Ka

A

pKa= - log(Ka)

20
Q

How to calculate pH from concentration of Hydrogen ions

A

pH = - log [H+]

21
Q

pH + pOH = ?

A

14

22
Q

Henderson - Hasselbalch Equation

A

pH = pKa + log [A-] / [HA]