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WorksheetsBalancing Equations
Total questions: 15
Worksheet time: 15mins
What is the right ratio of chemicals for the BCE (Balanced Chemical Equation)?__H2 + __S --> __H2S
1,1 --> 1
2,2 --> 2
1,2 --> 1
1,2 --> 2
What is the right ratio of chemicals for the BCE (Balanced Chemical Equation)?__AgNO3 + __H2S --> __Ag2S+ __HNO3
2,1 --> 1,2
1,2 --> 1,1
1,2 --> 1,2
1,2 --> 2,1
Which problem is balanced?
PbO2 + 2H2--> H2SO4
SO2 + H20 --> H2SO4
2Na + 2H2O --> 2NaOH + H2
2Na + 2H2O --> 2NaOH + H
How many Hydrogen are in 4H2O + 2CH4?
(a)
The blue numbers in the image below represent ________
I don't know, and don't want to try
coefficients
subscripts
none of the answers are correct
How many atoms of each element in the REACTANTS?
14
Mg
12
P
3
O
2
H
Balance the following equation:
___ Mg+ ___ O2→___ MgO
1, 1, 3
2, 1, 2
1, 2, 1
2, 2, 2
__Na + __Cl2 --> __NaCl
1,1,2
2,1,2
2,1,1
already balanced
What law governs the balancing of chemical equations?
Law of Energy
Law of Conservation of Matter/Mass
Law of Gravity
Law of Matter Movement
Balance this equation (a) N2 + (b) H2 --> (c) NH3
1
3
2
Balance the following equation:
___ SeCl6+ ___ O2→___ SeO2+____Cl2
1, 1, 1, 3
2, 1, 2, 1
1, 2, 1, 2
2, 2, 2, 4
What is the part of a chemical equation called...
2H2 + O2--> 2H2O
Reactants
Products
Yields
Chemical Equation
Balance the following equation: __ C_3H_8 + __ O_2 → __ CO_2 + __ H_2O
A) 1, 5, 3, 4
B) 1, 4, 3, 4
C) 2, 7, 6, 8
D) 1, 3, 3, 4
Which of the following is a balanced chemical equation?
A) @@ ext{C}_2 ext{H}_6 + ext{O}_2 ightarrow ext{CO}_2 + ext{H}_2 ext{O}@@
B) @@ ext{N}_2 + 3 ext{H}_2 ightarrow 2 ext{NH}_3@@
C) @@ ext{H}_2 + ext{O}_2 ightarrow ext{H}_2 ext{O}@@
D) @@ ext{Fe}_2 ext{O}_3 + 3 ext{CO} ightarrow 2 ext{Fe} + 3 ext{CO}_2@@
What is the correct coefficient for O_2 when balancing the equation: __ C_2H_4 + __ O_2 → __ CO_2 + __ H_2O
A) 2
B) 3
C) 4
D) 5
