What does it mean to say an equation is balanced, and how can you check that an equation is balanced correctly?
4 points
4
Question 2
2.
Why is it important for an equation to be balanced? (Hint: your answer should include mention of a law we talked about in first copernimester, as well as mention of how balanced equations serve a practical purpose in solving stoichometry problems)
1 point
1
Question 3
3.
Select the image with the correctly balanced equation
1 point
1
Question 4
4.
When balancing equations we are allowed to change:
1 point
1
Question 5
5.
Which of the following models best demonstrates a balanced chemical equation?
1 point
1
Question 6
6.
What are is the correct coefficient for iron metal when this equation is balanced?
1 point
1
Question 7
7.
What is the correct coefficient for magnesium chloride
when this equation is correctly balanced?
1 point
1
Question 8
8.
What is the correct coefficient for hydrochloric acid (HCl) when this equation is correctly balanced?
2 points
2
Question 9
9.
Select only the equations below that are correctly balanced.
2 points
2
Question 10
10.
Match
Metals and non metals
Two or more non metals
Ionic compounds form between
Covalent compounds form between
2 points
2
Question 11
11.
When naming IONIC compounds, you should... (check all that apply)
2 points
2
Question 12
12.
What is the correct name for the pictured compound? Remember to first determine if the compound is ionic or covalent!
2 points
2
Question 13
13.
What is the correct name for the pictured compound? Remember to first determine if the compound is ionic or covalent!
1 point
1
Question 14
14.
What is the correct name for the pictured compound? Remember to first determine if the compound is ionic or covalent!
4 points
4
Question 15
15.
Translate the shown chemical equation into a sentence describing the reaction. Be sure to include information on moles and the states of matter involved, as well as correct compound names.
4 points
4
Question 16
16.
Translate the shown chemical equation into a sentence describing the reaction. Be sure to include information on moles and the states of matter involved, as well as correct compound names.
4 points
4
Question 17
17.
Translate the shown chemical equation into a sentence describing the reaction. Be sure to include information on moles and the states of matter involved, as well as correct compound names.
2 points
2
Question 18
18.
Select the correctly written and balanced equation for the following reaction: Magnesium chloride is the product of a reaction between magnesium and chlorine
