Chem chapter 11 – Flashcards
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A catalyst is?
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B) not used up in a reaction
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which of the following is the correct equation for the reaction that takes place when solid Phosphorus combines with O gas to for diphosphorus pentoxide?
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C) 4P(s)+5O(g)→2P₂O₅(s)
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Rewrite the following word equation as a balanced chemical equations. What is the coefficient and symbol for F?
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D) 3F₂
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What are the coefficients that will balance the equation below?
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A) 1,3,1,3
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What are the coefficients that will balance the equation below?
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D) 1,3,2
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What the equation Fe+Cl₂→FeCl₃ is balanced, what is the coefficient for Cl₂?
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C) 3
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When the following equation is balanced, what is the coefficient for HCL?
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D) 2
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When the equation KClO₃→KCl+O₂ is balanced, the coefficient of KClO₃ is?
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B) 2
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What are the missing coefficients for the equation below?
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C) 2,3,3,2
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What are the missing coefficients for the equation below?
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D) 1,6,2,3
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When potassium hydroxide and barium chloride react, potassium chloride and barium hydroxide are formed. The balance equation for this reaction is?
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C) 2KOH+BaCl₂→2KCl+Ba(OH)₂
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In order to predict whether or not a single-replacement reaction takes place. you need to consult a chart that shows the
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B) activity series of metals
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In order for the reaction 2 Al+6HCl→2AlCl₃+3H₂ to occur, which of the following much be true?
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B) Al must be above H on the activity series
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In a combustion reaction, one of the reactants is
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C) Oxygen
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The product of a combustion reaction include
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A) water, CO₂ and carbon monoxide
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They type of reaction that takes place when one element reacts with a compound to form a new compound and a different element is a?
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C) single-replacement reaction
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In a double-replacement reaction, the
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B) reactants are two ionic compounds
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Which of the following is a balanced equation representing the decomposition of lead (IV)
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B) PbO₂→Pb+O₂
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What are the correct formulas and coefficients for the products of the following double-replacement reaction?
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C) Rb₃Po₄+3H₂O
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hen the equation for the complete combustion of one of C₃H₇OH is balanced, the coefficient for oxygen is
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D) 9
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Which of the following statements is true about single-replacement reactions?
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C) Two reactants produce two products
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Complete a balanced chemical equation for the following reaction
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A) AgNO₃+K
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One of the possible products when aqueous Na₂CO₃ reacts with aqueous Sn(NO₃)₂ is
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A) NaNO₃
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The complete combustion of which of the following substance produces CO₂ and H₂O
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A) C₈H₁₈
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The reaction 2Fe+3Cl₂→2FeCl₃ is an example of which type of reaction?
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C) combination reaction
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The equation Mg+2HCl→MgCl₂+H₂ is an example of which type of reaction?
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B) single-replacement reaction
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The equation H₃PO₄+3KOH→K₃PO₃+2H₂O is an example of which type of reaction?
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A) double-replacement reaction
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The equation 2C₃H₇OH+9O₂→6CO₂+8H₂O is an example of which type of reaction?
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A) combustion reaction
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A double-replacement reaction takes place when aqueous cobalt(III) chloride reacts with aqueous lithium hydroxide. One possible product of this reaction is
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A) Co(OH)₃
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If a combination reaction takes place between rubidium and bromine, the chemical formula for the product is?
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D) RbBr
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What is the balanced chemical equation for the reaction that takes place between bromine and sodium iodide?
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B) Br₂+2NaI→2NaBr+I₂
