CCU1 types of reactions

• ​Practice test is on pg 14

Multiple Choice

A student mixes 125 grams of sugar, 250 grams of water and 5 grams of flavoring. The solution weighs...

• 250 grams

• 380 grams

• 375 grams

• 400 grams

Labeling

Account for all the atom of both sides of the arrow with the given coefficients.

Drag labels to their correct position on the image

2

3

4

6

5

1

Dropdown

Finish balancing the equation



4 Fe_(s) + 3O_2(g) → ​ ​​

Select answer

Fe₂O₃

Labeling

Finish accounting for atoms

Drag labels to their correct position on the image

4

3

2

6

8

Dropdown

 Finish balancing the reaction



​

Select answer

PbSO₄ →  2PbSO₃ + ​

Select answer

O₂

Multiple Choice

Which type of reaction is:

H₂ + O₂ → H₂O

• Synthesis

• Decomposition

Multiple Choice

Which type of reaction is:

NiCl₂ → Ni + Cl₂

• Synthesis

• Decomposition

Labeling

Account for the atoms on each side of the arrow.

Drag labels to their correct position on the image

7

3

16

1

4

2

Dropdown

Balance the reaction



1 C₇H₁₆ + ​ ​

Select answer

O₂    → ​

Select answer

CO₂ + ​

Select answer

H₂O

Hint: balance the O₂ last

Categorize

Options (8)

Requires oxygen

Releases energy

C₆H₁₂ + 9O₂ -->6CO₂ + 6 H₂O

Breaks down compounds into simpler substances

Combines two or more substances

Produces a single product

CaCO₃ --> CaO + CO₂

2C₅H₅ + Fe --> Fe(C₅H₅)₂

Organize these options into the right categories

Decomposition Reaction

Synthesis Reaction

Combustion Reaction

Categorize

Options (5)

Pb + FeSO4 --> PbSO4 + Fe

2AgNO₃ + Cu --> Cu(NO₃)₂ + 2Ag

SeCl₆ + O₂ --> SeO₂ + 3Cl₂

Zn + HCl --> ZnCl₂ + H₂

2Na+ 2H₂O→ 2NaOH + H₂

Organize these options into the right categories

Metal Displacement

Halogen Displacement

Hydrogen Displacement

Dropdown

​

Select answer

Mg + ​

Select answer

Fe₂O₃  → ​

Select answer

Fe + 3MgO

Dropdown

Balance the chemical reaction

​

Select answer

AlBr₃ + ​

Select answer

K₂SO₄ →​

Select answer

KBr + ​

Select answer

Al₂(SO₄)₃

The next slide with have a simulation with balancing Practice-

Play the game for either level 1 or challenge yourself with level 2

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Multiple Choice

Mg + N₂ --> Mg₃N₂

• Synthesis (combination)
• Decomposition
• Single replacement
• Combustion

Multiple Choice

C₃H₈ + O₂ --> H₂O + CO₂

• Synthesis (combination)
• Decomposition
• Single replacement
• Combustion

Multiple Choice

C₄H₁₂ + 7O₂ → 4CO₂ + 6H₂O

• Synthesis
• Combustion
• Single Replacement
• Double Replacement
• Decomposition

Multiple Choice

What are the larger numbers that you CAN CHANGE in a chemical equation? 

• Coefficient 
• Products
• Reactants
• Subscripts

Multiple Choice

What is the charge of Bromide?

• -1
• 1
• +1
• +2

Multiple Choice

compound ---> element + element

• synthesis

• decomposition

• combustion

• single replacement

Multiple Choice

What type of reaction is the following:
$$Zn\ +\ 2HCl\ ->\ ZnCl_2+H_2$$

• Single Replacement- Hydrogen replacement

• Single Replacement - Metal Replacement

• Single Replacement- Halogen Replacement

Multiple Choice

Which of the following is the general formula for a decomposition reaction?

• A + B  → AB
• AB → A + B
• AB + C → AC + B
• AB + CD → AC + BD

Multiple Choice

How many HCl molecules do you need to balance this equation? 
Mg +  __HCl --->  MgCl₂ + H₂

• 1
• 2
• 3
• 4

Hotspot

Select the Halogen Displacement

Multiple Choice

What is the name of the following polyatomic ion: CO₃^2-

• Carbonite

• Carbonate

• Carboon trioxide

• Carbon (III) oxide

Multiple Choice

What type of reaction is the following:
$$2NaHCO_3->\ Na_2CO_3+CO_2+H_2O$$  

• Combination

• Decomposition

• Single Replacement

• Double Replacement

• Combustion

Multiple Choice

P ionizes to a charge of _______.

• +3

• -3

• +2

• -2

Multiple Choice

What is the formula for the following polyatomic ion: Chlorate

• ClO^-

• ClO₂^-

• ClO₃^-

• ClO₄^-

Multiple Choice

What is the formula for the following polyatomic ion: Peroxide

• O^2-

• O₂^-

• O₂^2-

• O^-

Multiple Choice

What reaction has the following general formula:

A + CD --> C + AD

• Synthesis

• Decomposition

• Single Replacement

• Double Replacement

• Combustion

Multiple Choice

What is the charge of Aluminium?

• 3
• +3
• +2
• +1

Multiple Choice

What type of reaction is the following:
$$Na_2S\ +2HCl\ ->\ H_2S+2NaCl$$

• Combination

• Decomposition

• Single Replacement

• Double Replacement

• Combustion

Multiple Choice

What is the name of the following polyatomic ion: NO₃^-

• ammonium
• nitrite
• nitrate
• nitrile

Multiple Choice

What is the name of the following polyatomic ion: NH₄⁺

• Ammonium

• Ammonia

• Nitrogen hydride

• Nitrogen tetrahydride

Multiple Choice

What is the formula for the following polyatomic ion: Cyanide

• CN^-

• CN₂^-

• CN₃^-

• CN₄^-

Multiple Select

What is the ionic charge of O? Select both the number and the charge (+ or -).

• 1

• 2

• 3

• +

• -

Multiple Choice

F ionizes to a charge of ________.

• -2

• -1

• +1

• +2

Multiple Choice

Fill in the blank. (Copper has a charge of 2+)

Cu+ AgNO₃ → Ag + _____

• Cu(NO₃)₂

• CuAg

• Cu

• You are now done with the lesson:

• Please work on something academic: summary page, chemquest, etc

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