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Chemistry > Module 2 Revision Notes > Flashcards

Module 2 Revision Notes Flashcards

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1
Q

What are the four general chemical equations

A

Combination/synthesis
Decomposition
Single Replacement
Double Replacement

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2
Q

Combination reaction

A

A + B –> AB
Element + Oxygen –> Element Oxide

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3
Q

Decomposition

A

AB –> A+ B
Metal + Carbonate –> Metal Oxide + Carbon Dioxide
Silver Halide –> Silver + Halogen

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4
Q

Single Replacement

A

A + BC –>AC + B
Active metal + Acid –> Salt + Hydrogen Gas
Active metal + water –> Metal hydroxide + hydrogen gas
Active metal + less active metal solution –> less active metal + active metal solution

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5
Q

Double Replacement

A

AB + CD –> AD + CB
Acid + Base –> Salt + Water
Acid + Carbonate –> Salt + Carbon Dioxide + Water
Hydrocarbon + Oxygen –> Carbon dioxide + water

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6
Q

What are the 6 acids

A

Hydrochloric acid
Sulfuric acid
Nitric acid
Carbonic acid
Phosphate acid
Acetic acid

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7
Q

Hydrochloric acid

A

HCl

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8
Q

Sulfuric acid

A

H2SO4

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9
Q

Nitric acid

A

HNO3

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10
Q

Carbonate acid

A

H2CO3

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11
Q

Phosphoric acid

A

H3PO4

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12
Q

Acetic acid

A

CH3COOH

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13
Q

What are the five bases

A

Sodium hydroxide
Calcium hydroxide
Barium hydroxide
Calcium oxide
Sodium oxide

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14
Q

Sodium hydroxide

A

NaOH

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15
Q

Calcium hydroxide

A

Ca(OH)2

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16
Q

Barium hydroxide

A

Ba(OH)2

17
Q

Calcium oxide

A

CaO

18
Q

Sodium oxide

A

Na2O

19
Q

What is the standard atom?

A

Carbon-12 isotope

20
Q

How much does one C-12 atom weigh?

A

1.933 x 10^-23

21
Q

What is Avogadro’s number and what does it represent

A

6.022 x 10^23 mol^-1
represents the number of atoms in exactly 12 grams of the c-12 isotope.

22
Q

molar volume formula

A

n = volume of gas (L) / molar volume (Lmol^-1)

23
Q

what is the concentration formula

A

c = n/V

24
Q

what to remember when calculating g/g

A

mass is always conserved, therefore mass of substance on top/ mass + mass on top.

25
Q

what is the dilution formula

A

c1v1 = c2v2

26
Q

How many Kelvin is 0 celsius

A

273.15K

Chemistry (11 decks)

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