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Chemistry for Changing Times

Chemistry

Quiz 5 :

Chemical Accounting

Quiz 5 :

Chemical Accounting

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When the equation below is balanced, the coefficient of sodium cyanide is: NaCN + H2SO4 → Na2SO4 + HCN
Free
Multiple Choice
Answer:

Answer:

B

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When the equation below is balanced, the coefficient of copper(II) nitrate is: Cu + AgNO3 → Cu(NO3)2 + Ag
Free
Multiple Choice
Answer:

Answer:

B

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Which one of the following reactions is NOT balanced?
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Multiple Choice
Answer:

Answer:

C

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Octane (C8H18 ) reacts with oxygen (O2) to form carbon dioxide (CO2) and water (H2O). When the equation below is balanced, the coefficient of octane is: C8H18 + O2 → CO2 + H2O
Multiple Choice
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When the equation below is balanced, the coefficient of aluminum chloride is: AlCl3 + H2SO4 → Al2(SO4)3 + HCl
Multiple Choice
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Propane (C3H8 ) reacts with oxygen (O2) to form carbon dioxide (CO2) and water (H2O). When the equation below is balanced, the coefficient of water is: C3H8 + O2 → CO2 + H2O
Multiple Choice
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The following reaction is important in the removal of sulfur dioxide, a major source of acid rain, from the smokestacks of coal burning power plants. When the equation below is balanced, the coefficient of calcium sulfate (commonly called "gypsum") is: CaO + SO2 + O2 → CaSO4
Multiple Choice
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Tin was among the first metals used by humans. Elemental tin is produced by heating tin(IV) oxide, the principal ore of tin, with carbon. The products of this reaction are tin and carbon dioxide. When the equation is written and balanced, the coefficient of carbon is
Multiple Choice
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Solid lithium hydride reacts with water to form aqueous lithium hydroxide and hydrogen gas. When this equation is written and balanced, the coefficient of lithium hydride is
Multiple Choice
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The following reaction is important in the removal of sulfur dioxide, a major source of acid rain, from the smokestacks of coal burning power plants. When the equation below is balanced, the coefficient of calcium oxide (commonly called "lime") is: CaO + SO2 + O2 → CaSO4
Multiple Choice
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When the equation below is balanced, the coefficient of copper is: Zn + CuSO4 → ZnSO4 + Cu
Multiple Choice
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Tin was among the first metals used by humans. Elemental tin is produced by heating tin(IV) oxide, the principal ore of tin, with carbon. The products of this reaction are tin and carbon dioxide. When the equation is written and balanced, the coefficient of tin is
Multiple Choice
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When the equation below is balanced, the coefficient of sulfuric acid, H2SO4 is: NaCN + H2SO4 → Na2SO4 + HCN
Multiple Choice
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When the equation below is balanced, the coefficient of silver is: Cu + AgNO3 → Cu(NO3)2 + Ag
Multiple Choice
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When the equation below is balanced, the coefficient of the hydrogen cyanide, HCN, is: NaCN + H2SO4 → Na2SO4 + HCN
Multiple Choice
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The following reaction is important in the removal of sulfur dioxide, a major source of acid rain, from the smokestacks of coal burning power plants. When the equation below is balanced, the coefficient of oxygen is: CaO + SO2 + O2 → CaSO4
Multiple Choice
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Ammonia can be prepared by the reaction of magnesium nitride with water. The products are ammonia and magnesium hydroxide. When the equation is written and balanced, the coefficient of magnesium nitride is
Multiple Choice
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When the equation below is balanced, the coefficient of the product is: Fe + O2 → Fe2O3
Multiple Choice
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When the equation below is balanced, the coefficient of oxygen is: Fe + O2 → Fe2O3
Multiple Choice
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When the equation below is balanced, the coefficient of silver nitrate is: Cu + AgNO3 → Cu(NO3)2 + Ag
Multiple Choice
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