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Chemistry Exam Term 3/4 2023 > Revision > Flashcards

Revision Flashcards

1
Q

How do you calculate the Molar Mass?

A

Times the atomic mass (in grams)

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2
Q
A
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3
Q

Three properties of bases

A

1) Taste bitter
2) Turn red litmus paper blue
3) pH of over 7

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4
Q

Three properties of acids

A

1) Taste sour
2) Turn blue litmus paper red
3) pH of less than 7

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5
Q

List the prefixes: 1-10

A

Mono, di, tri, tetra, penta, hex, hepta, octa, nona, deca

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6
Q

What is a hydronium ion?

A

H3O

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7
Q

CH3COOH

A

Acedic acid

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8
Q

Can water be both an acid and a base? Why/why not?

A

Yes because it can both donate a hydrogen proton and accept a hydrogen proton

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9
Q

What is an isomer?

A

Different ways to draw a carbon molecule (eg. C5H12)

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10
Q

What is the difference between intramolecular forces and intermolecular forces?

A

Intramolecular = inside the bonds
Intermolecular = between the atoms

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11
Q

Which intermolecular force is the strongest?

A

Hydrogen

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12
Q

Thermochemistry is the study of _ _ _ _

A

Heat

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13
Q

The energy stored in chemical bonds is called

A

Chemical potential energy

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14
Q

Symbols for:
1) heat
2) enthalpy
3) change in enthalpy

A

1) q
2) H
3) Delta H

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15
Q

Exothermic = hot/cold test tube?

A

Hot

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16
Q

Endothermic = hot/cold test tube?

A

Cold

17
Q

Exothermic = heat released/absorbed

A

Released

18
Q

Endothermic = heat released/absorbed

A

Absorbed

19
Q

q is positive/negative in exothermic reactions?

A

Negative

20
Q

What is heat capacity?

A

The amount of heat energy required to change the temperature of something by 1 degree

21
Q

What is specific heat capacity?

A

The amount of heat energy required to change the temperature of 1g of something by 1 degree

22
Q

List the prefixes for carbon bonds

A

Meth, eth, prop, but, pent, hex, hept, oct, non, dec

23
Q
A

Chemistry Exam Term 3/4 2023 (1 decks)

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