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WorksheetsBalancing Equations
Total questions: 10
Worksheet time: 5mins
Which of the following is the correct way to balance the equation below?
_ GaFз + _ Cs → _ CsF + _ Ga
_GaFз + 2Cs → 3CsF + 3Ga
_GaFз + 3Cs → 3CsF + _Ga
2GaFз + 6Cs → 6CsF + 2Ga
_GaFз + _Cs → 3 CsF + _Ga
Which of the following letters represents the coefficient?
A
B
D
F
What is the missing coefficient needed to balance the equation below?
_ H₃PO₄ → H₄P₂O₇ + H₂O
Already balanced
3
2
6
Which of the following letters represents the subscript?
A
B
C
D
Which of the following is the only thing you should change when balancing an equation?
Subscript
Atom
Coefficient
Atom
Which side of an equation is referred to as the “reactant”?
The right side
The arrow in the center
The left side
None of the provided answers
What is the right side of the equation called?
The reactant
Coefficient
The compound
The product
What coefficients are needed to balance the following equation?
_ N2+_F2 —> _NF3
_; 4; _
2; 3; 2
_; 3; 2
Equation is already balanced
Why can you only change the coefficient and not the subscript to balance an equation?
You can change both the subscript and the coefficient
You can’t change the subscript because it would change the entire compound
You can change the subscript of atoms but not of molecules
You can’t change the subscript because Prof. Thomas said so
Which of the following is the correct way to balance the equation below?
_Fe2O3+_C —> _Fe+ _CO2
2;4;3;3
_;2;2;_
2;3;4;3
2;_;3;3
