Writing Chemical Equations
Presentation
•
Science
•
12th Grade
•
Medium
+13
Standards-aligned
Stacy King
Used 5+ times
FREE Resource
10 Slides • 10 Questions
1
2
Multiple Choice
3
Multiple Choice
The student observed that the temperature changed from 25 •C to 23 •C when the solutions were combined and that a white substance rapidly formed and settled to the bottom of the container. What most likely happened to produce these results?
4
Multiple Choice
In a ___________change, a substance changes into a different substance.
Physical
Chemical
5
Multiple Choice
6
Multiple Choice
7
We Will
1 Define
2. Symbolism
3. Alternate Word and Chemical EQ forms
I Will
Practice and Apply what I have learned
8
Word equation:
Describes a chemical reaction using the names of the reactants and products.
Chemical equation:
Describes a chemical reaction using the chemical formulas of the reactants and products.
9
Write the word equation for the reaction of methane and oxygen gas to form carbon dioxide and water vapor.
10
Multiple Choice
True/False: There are 2 reactants in the chemical equation below.
H2 + Cl2 → HCl
True
False
11
Multiple Choice
Translate the word equation below:
Nitrogen reacts with Hydrogen to form Ammonia (NH3).
N → H + NH3
N2 + H2 → NH3
N + H → NH3
N2 → H2 + NH3
12
Symbol | Meaning |
|---|---|
(s) | Solid |
(l) | Liquid |
(g) | Gas |
(aq) | Aqueous |
13
Multiple Choice
What does the symbol "(s)" mean in the chemical equation?
CaO(s) + H2O(l) --> Ca(OH)2(s)
CaO is a solid
CaO is a liquid
CaO is a gas
gas is produced
14
Write the word equation for the reaction of methane and oxygen gas to form carbon dioxide and water vapor.
Let’s look at the problem again.
15
Symbol | Meaning |
|---|---|
| Yields |
| Reversible |
| Precipitate |
| Gas |
16
Multiple Choice
A reversible reaction is signified by which symbol?
17
18
Draw
Draw a symbol that indicates a change in heat in the chemical equation below.
CaCo3 (s) ---- CaO(s) + CO2 (g)
19
When solid copper (II) carbonate is heated, it produces solid copper (II) oxide and carbon dioxide gas. Write the chemical reaction equation.
20
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