Balancing Reactions
Presentation
•
Chemistry
•
9th - 12th Grade
•
Hard
James Gonzalez
FREE Resource
11 Slides • 9 Questions
1
2
Multiple Choice
A substance produced during a chemical reaction
Product
Reactant
Properties
3
Multiple Choice
A substance that takes part in and undergoes change during a reaction
Product
Molecule
Reactant
4
Multiple Choice
A chemical reaction or process that releases heat.
Endothermic
Exothermic
5
6
7
Multiple Choice
What is the Law of Conservation of Mass?
It states that matter cannot be created or destroyed.
It states that energy cannot be created or destroyed.
It states that matter can be created or destroyed.
It states that sound can be created or destroyed.
8
9
Multiple Choice
What is the number before a chemical formula called?
Example: 2H2 + O2 ---> 2H2O
Coefficient
Atom
Subscript
Equation
10
11
12
13
14
2 (aq)
15
Multiple Choice
Is the following equation balanced?
Al + O2 ---> 2Al2O3
YES
NO
16
Multiple Choice
Balance this equation:
H2 + Cl2 ---> HCl
It is balanced.
H2 + Cl2 ---> 2HCl
3H2 + Cl2 ---> 6HCl
H2 + 3Cl2 ---> 6HCl
17
Multiple Choice
Mg + __HCl ---> MgCl2 + H2
18
Multiple Choice
2 Na+ _ Cl2 -> 2 NaCl
19
20
Make sure to complete the Quizizz from yesterday! It is graded - the link is found under yesterday's announcements!
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