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BR#37 - Balancing Equations
By Kristina Thibodeaux
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Last updated 3 months ago
5 questions
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Question 1
1.
Balance the chemical equation: _______ H
2
+ _______ O
2
→ _______ H
2
O. If the coefficient is 1, write 1.
Question 2
2.
Balance the chemical equation: _______ CO + _______ O
2
→ _______ CO
2
. If the coefficient is 1, write 1.
Question 3
3.
Balance the equation: _______ CH
4
+ _______ O
2
→ _______ CO
2
+ _______ H
2
O. If the coefficient is 1, write 1.
Question 4
4.
Balance the equation: _______ Cr + _______ O
2
→ _______ Cr
2
O
3
. If the coefficient is 1, write 1.
Question 5
5.
Which of the following is a balanced equation representing the law of conservation of matter?
H
2
O + MgO → Mg(OH)
2
H
2
SO
4
+ 2NaOH → Na
2
SO
4
+ H
2
O
CH
4
+ Cl
2
→ CH
2
Cl
2
+ HCl
Al(OH)
3
+ H
3
PO
4
→ AlPO
4
+ 2H
2
O