Exam 9: Chemical Change

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Write the net ionic equation for the reaction that occurs,if any,when gold is placed in a solution of hydrobromic acid.Hydrogen gas is above gold in the activity series.What are the products?

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E

Write the net ionic equation for the reaction between copper and AgC2H3O2.The apparatus for the reaction is shown below. Write the net ionic equation for the reaction between copper and AgC<sub>2</sub>H<sub>3</sub>O<sub>2</sub>.The apparatus for the reaction is shown below.   Regard all salts containing acetate ion as soluble in water.Copper is above silver in the activity series.What will appear on the product side of the balanced net ionic equation? Regard all salts containing acetate ion as soluble in water.Copper is above silver in the activity series.What will appear on the product side of the balanced net ionic equation?

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What ions are present in an aqueous solution of hydrochloric acid?

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Which of the following is a weak acid?

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What ions are present in what ratio in a solution of aqueous (NH4)2SO4?

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Which of the following is the best description of what happens when a weak acid is placed in water?

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What are the reactants in the net ionic equation for the reaction that has magnesium phosphate as the only solid product?

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Which of the following is a product of a reaction that will always be included in the net ionic equation for the reaction?

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Which of the following combinations of reactant does not produce a net change as shown by a net ionic equation?

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What is the preferred way to write H2CO3 when it appears as a product in a net ionic equation?

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Propane,C3H8,is burned as a fuel in heating homes.Write the balanced chemical equation for this reaction.What is the coefficient for CO2?

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Which of the following gives the correct formulas and ratio of ions present when sodium carbonate is dissolved in water?

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Which of the following is the best explanation of why a strong acid is an excellent conductor?

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Write the net ionic equation for the reaction that occurs,if any,when a calcium chip is dropped into a hydrochloric acid solution.Calcium is above hydrogen in the activity series.What are the reactants (with appropriate coefficients)?

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In which pair are both strong acids?

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In the balanced net ionic equation for the reaction of solid CaCO3 and aqueous hydrochloric acid,which produces aqueous chloride and an acid that decomposes into the other two products,what appears on the left side of the net ionic equation?

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Which of the following is the best explanation of why a weak acid is a poor conductor?

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Write the equation for the complete oxidation of HC2H3O2.What is the sum of the coefficients?

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What ions are present in what ratio in a solution of aqueous calcium chloride?

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Which of the following correctly describes an electric current? i.Spontaneous flow of protons in gold,silver,copper,or aluminum wires ii.Exchange of protons between cations in a solution iii.The movement of ions in a solution iv.The movement of negatively charged electrons in a metal

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