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Year 11 > Chemistry: Balancing equations + Types of reaction > Flashcards

Chemistry: Balancing equations + Types of reaction Flashcards

Objective 1 + 2

1
Q

__CaO + __H₂O –> __Ca(OH)₂

A

balanced

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2
Q

__Na + __F₂ –> __NaF

A

2,1,2

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3
Q

__K + __I₂ –> __KI

A

2,1,2

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4
Q

__MgO + __SO₃ –> __MgSO₄

A

balanced

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5
Q

__C + __O₂ –> __CO₂

A

balanced

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6
Q

__Al₂(SO₄)₃ + __Ca(OH)₂ –> __Al(OH)₃ + __CaSO₄

A

1, 3, 2, 3

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7
Q

__Na + __MgF₂ –> __NaF + __Mg

A

2, 1, 2, 1

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8
Q

__BaCl₂ + __Na₂SO₄ –> __NaCl + __BaSO₄

A

1, 1, 2, 1

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9
Q

__LiCl + __Mg(NO₃)₂ –> __LiNO₃ + __MgCl₂

A

2, 1, 2, 1

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10
Q

__Al + __Cu(NO₃)₂ –> __Cu + __Al(NO₃)₃

A

2, 3, 3, 2

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11
Q

__Mg + __Cl₂ –> __MgCl₂

A

balanced

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12
Q

__CO + __O₂ –> __CO₂

A

2,1,2

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13
Q

__Cu + __HCl –> __CuCl₂ + __H₂

A

1, 2, 1, 1

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14
Q

__Mg + __O₂ –> __MgO

A

2,1,2

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15
Q

__Sn + __HF –> __SnF₂ + __H₂

A

1, 2, 1, 1

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16
Q

__Mg + __HCl –> __MgCl₂ + __H₂

A

1, 2, 1, 1

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17
Q

__C + __O₂ –> __CO₂

A

balanced

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18
Q

__Fe +__O₂ –> __Fe₂O₃

A

4,3,2

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19
Q

__CS₂ + __O₂ –> __CO₂ + __SO₂

A

1, 3, 1, 2

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20
Q

__MgS + __O₂ –> __MgO + __SO₂

A

2, 3, 2, 2

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21
Q

__NaOH + __CO₂ –> __Na₂CO₃ + __H₂O

A

2, 1, 1, 1

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22
Q

__Mg + __HF –> __MgF₂ + __H₂

A

1, 2, 1, 1

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23
Q

__N₂ + __O₂ –> __NO

A

1,1,2

24
Q

__H₂ + __O₂ –>__H₂O

A

2,1,2

25
Q

__PCl₃ + __Cl₂ –> __PCl₅

A

balanced

26
Q

__Al + __Cl₂ –> __AlCl₃

A

2,3,2

27
Q

__Mg + __AlCl₃ –> __MgCl₂ +__Al

A

3, 2, 3, 2

28
Q

__SO₂ + __O₂ –> __SO₃

A

2,1,2

29
Q

__K + __H₂O –> __KOH + __H₂

A

2, 2, 2, 1

30
Q

__Cu +__Cl₂ –> __CuCl₂

A

balanced

31
Q

__Al + __O₂ –> __Al₂O₃

A

4,3,2

32
Q

precipitate

A

Solid compound produced from 2 liquids during a chemical reaction. Sign of a chemical reaction.

33
Q

signs of a chemical reaction

A

change in temperature, formation of bubbles, precipitate forms, color change, change in smell, difficult to reverse

34
Q

subscript

A

Number written after and BELOW an element in a chemical formula telling you how many of the preceding element are needed for that compound or molecule.

35
Q

chemical equation

A

Written representation of a chemical reaction/chemical change; shows all the reactants and products. Always in the form of: Reactants arrow Products.

36
Q

chemical reaction

A

the process by which one or more substances change to produce one or more different substances

37
Q

reactants

A

A chemical substance that is present at the start of a chemical reaction.-things that react together (on the left side of the equation)

38
Q

products

A

A chemical substance formed as a result of a chemical reaction-things that are produced (on the right side of the equation)

39
Q

coefficient

A

numbers written to balance a chemical equation in front of the element or compound

40
Q

Law of Conservation of Mass

A

the law that states that mass cannot be created or destroyed in ordinary chemical and physical changes

41
Q

Yields

A

Makes, creates, produces; Arrow in chemical equation

42
Q

chemical bond

A

The force that holds atoms together

43
Q

Which type of chemical reaction occurs in 2KClO3 mc010-1.jpg 2KCl + 3O2?

A

b. decomposition

44
Q

Consider the partial equation.
Br2 + NaF →
Which best completes the chemical equation?

A

a. no reaction

45
Q

Which is a characteristic of a decomposition reaction?

A

b. Substance XYZ breaks down into X, Y, and Z.

46
Q

In which type of chemical reaction do two or more substances combine to form one substance?

A

a. synthesis

47
Q

A double replacement reaction can be best described as a reaction in which

A

c. ions are exchanged between two compounds.

48
Q

A chemical reaction in which one element replaces another element in a compound can be categorized as a

A

c. single displacement reaction.

49
Q

Which type of chemical reaction occurs in Ca + Cl2 → CaCl2?

A

a. synthesis

50
Q

Which products would form if chlorine gas was bubbled through a solution of sodium bromide?

A

c. NaCl and Br2

51
Q

Which type of chemical reaction occurs in C6H12 + 9O2 → 6CO2 + 6H2O?

A

b. combustion

52
Q

The formation of which product(s) will most likely be observed in a combustion reaction?

A

a. an oxide

53
Q

Propane burns in air to produce carbon dioxide and water. What is this type of chemical reaction called?

A

b. combustion

54
Q

A chemical reaction has two elements as reactants. Which type of reaction might occur?

A

a. synthesis

55
Q

Reactivity series

A

Na > Mg > Al > Mn > Zn > Cr > Fe > Cd > Co > Ni > Sn > Pb > H > Sb > Bi > Cu > Ag

56
Q

A _________ reaction occurs when one compound reacts and is broken down into different elements or simpler compounds.

A

decomposition

Year 11 (2 decks)

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