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Questions and Answers
Consider the unbalanced equation: Na3PO4 + KOH -> NaOH + K3PO4. After balancing, what is the coefficient for NaOH?
Consider the unbalanced equation: Na3PO4 + KOH -> NaOH + K3PO4. After balancing, what is the coefficient for NaOH?
- 3 (correct)
- 2
- 1
- 4
In the balanced form of the equation P4 + O2 -> P2O3, what is the ratio of the coefficients of $P_4$ to $O_2$?
In the balanced form of the equation P4 + O2 -> P2O3, what is the ratio of the coefficients of $P_4$ to $O_2$?
- 3:2
- 2:3 (correct)
- 2:1
- 1:2
For the reaction RbNO3 + BeF2 -> Be(NO3)2 + RbF, what coefficient is required in front of RbNO3 to balance the equation?
For the reaction RbNO3 + BeF2 -> Be(NO3)2 + RbF, what coefficient is required in front of RbNO3 to balance the equation?
- 2 (correct)
- 1
- 3
- 4
When the equation AgNO3 + Cu -> Cu(NO3)2 + Ag is balanced, what is the coefficient for $AgNO_3$?
When the equation AgNO3 + Cu -> Cu(NO3)2 + Ag is balanced, what is the coefficient for $AgNO_3$?
Balance the equation: CF4 + Br2 -> CBr4 + F2. What is the coefficient for $F_2$ in the balanced equation?
Balance the equation: CF4 + Br2 -> CBr4 + F2. What is the coefficient for $F_2$ in the balanced equation?
Given the unbalanced equation HCN + CuSO4 -> H2SO4 + Cu(CN)2, what is the coefficient for HCN when the equation is balanced?
Given the unbalanced equation HCN + CuSO4 -> H2SO4 + Cu(CN)2, what is the coefficient for HCN when the equation is balanced?
When balancing GaF3 + Cs -> CsF + Ga, what is the coefficient for CsF?
When balancing GaF3 + Cs -> CsF + Ga, what is the coefficient for CsF?
Balance the following equation: BaS + PtF2 -> BaF2 + PtS. What are the coefficients for BaS, PtF2, BaF2, and PtS respectively?
Balance the following equation: BaS + PtF2 -> BaF2 + PtS. What are the coefficients for BaS, PtF2, BaF2, and PtS respectively?
After balancing N2 + H2 -> NH3, what is the coefficient in front of $H_2$?
After balancing N2 + H2 -> NH3, what is the coefficient in front of $H_2$?
In the combustion of methane, CH4 + O2 -> CO2 + H2O, what is the coefficient for water ($H_2O$) when the equation is balanced?
In the combustion of methane, CH4 + O2 -> CO2 + H2O, what is the coefficient for water ($H_2O$) when the equation is balanced?
Flashcards
Balancing Equations
Balancing Equations
Ensuring the number of atoms for each element is equal on both sides of a chemical equation.
Balanced Equation 1
Balanced Equation 1
Na3PO4 + 3KOH -> 3NaOH + K3PO4
Balanced Equation 2
Balanced Equation 2
MgF2 + Li2CO3 -> MgCO3 + 2LiF
Balanced Equation 3
Balanced Equation 3
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Balanced Equation 4
Balanced Equation 4
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Balanced Equation 5
Balanced Equation 5
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Balanced Equation 6
Balanced Equation 6
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Balanced Equation 7
Balanced Equation 7
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Balanced Equation 8
Balanced Equation 8
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Balanced Equation 9
Balanced Equation 9
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Study Notes
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Chemical equations need to be balanced to satisfy the law of conservation of mass.
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Balanced equations have the same number of each type of atom on both sides of the equation.
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Balancing Equations Worksheet:
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Na₃PO₄ + KOH → NaOH + K₃PO₄
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MgF₂ + Li₂CO₃ → MgCO₃ + LiF
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P₄ + O₂ → P₂O₅
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RbNO₃ + BeF₂ → Be(NO₃)₂ + RbF
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AgNO₃ + Cu → Cu(NO₃)₂ + Ag
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CF₄ + Br₂ → CBr₄ + F₂
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HCN + CuSO₄ → H₂SO₄ + Cu(CN)₂
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GaF₃ + Cs → CsF + Ga
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BaS + PtF₂ → BaF₂ + PtS
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N₂ + H₂ → NH₃
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NaF + Br₂ → NaBr + F₂
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Pb(OH)₂ + HCl → H₂O + PbCl₂
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AlBr₃ + K₂SO₄ → KBr + Al₂(SO₄)₃
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CH₄ + O₂ → CO₂ + H₂O
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