Potassium chloride, KCl, sodium sulfate, Na2SO4, glucose, C6H12O6, carbon dioxide, CO2 and ammonium phosphate, (NH4)3PO4, are soluble in water. Which one produces the largest number of dissolved particles per mole of dissolved solute?

A) KCI B) Na 2SO 4 C) C 6H 12O 6 D) CO 2 E) (NH 4)3PO 4 A) KCI B) Na 2SO 4 C) C 6H 12O 6 D) CO 2 E) (NH 4)3PO 4

A) produces hydroxide ions when dissolved in water. B) changes the color of phenolphthalein indicator from colorless to pink. C) donates electrons in an electron transfer reaction. D) donates protons in a proton transfer reaction. E) None of these choices are correct. A) produces hydroxide ions when dissolved in water. B) changes the color of phenolphthalein indicator from colorless to pink. C) donates electrons in an electron transfer reaction. D) donates protons in a proton transfer reaction. E) None of these choices are correct.

Ammonia, NH3, produces hydroxide ions in aqueous solution by

A) donating a proton to an acid molecule. B) donating a proton to a water molecule. C) donating a hydrogen ion to a water molecule. D) accepting an electron from an acid molecule. E) accepting a proton from a water molecule. A) donating a proton to an acid molecule. B) donating a proton to a water molecule. C) donating a hydrogen ion to a water molecule. D) accepting an electron from an acid molecule. E) accepting a proton from a water molecule.

Select the classification for the following reaction. H2CO3(aq) → H2O(l) + CO2(g)

A) Combination B) Decomposition C) Displacement D) Acid-base E) None of these choices are correct. A) Combination B) Decomposition C) Displacement D) Acid-base E) None of these choices are correct.

Select the classification for the following reaction. H2(g) + Cl2(g) → 2HCl(g)

A) Combination B) Decomposition C) Displacement D) Acid-base E) None of these choices are correct. A) Combination B) Decomposition C) Displacement D) Acid-base E) None of these choices are correct.

Select the classification for the following reaction. Na2O(s) + H2O(l) → 2NaOH(aq)

A) Combination B) Decomposition C) Displacement D) Acid-base E) Precipitation A) Combination B) Decomposition C) Displacement D) Acid-base E) Precipitation

Exam 4: Three Major Classes of Chemical Reactions

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The amount of calcium present in milk can be determined by adding oxalate to a sample and measuring the mass of calcium oxalate precipitated. What is the mass percent of calcium if 0.429 g of calcium oxalate forms in a 125-g sample of milk when excess aqueous sodium oxalate is added? Na₂C₂O₄(aq) + Ca²⁺(aq) → CaC₂O₄(s) + 2Na⁺(aq)

(Multiple Choice)

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Question 81

Which of the following is a strong acid?

(Multiple Choice)

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Question 82

Select the precipitate that forms when aqueous ammonium sulfide reacts with aqueous copper(II) nitrate.

(Multiple Choice)

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Question 83

Which of the following is most soluble in water?

(Multiple Choice)

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Question 84

Potassium chloride, KCl, sodium sulfate, Na₂SO₄, glucose, C₆H₁₂O₆, carbon dioxide, CO₂ and ammonium phosphate, (NH₄)₃PO₄, are soluble in water. Which one produces the largest number of dissolved particles per mole of dissolved solute?

(Multiple Choice)

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Question 85

An acid

(Multiple Choice)

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Question 86

Select the classification for the following reaction. KOH(aq) + HCl(aq) → KCl(aq) + H₂O(l)

(Multiple Choice)

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Question 87

When 2.61 g of solid Na₂CO₃ is dissolved in sufficient water to make 250. mL of solution, the concentration of Na₂CO₃is:

(Multiple Choice)

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Question 88

A 0.00100 mol sample of Ca(OH)₂ requires 25.00 mL of aqueous HCl for neutralization according to the reaction below. What is the concentration of the HCl? Equation: Ca(OH)₂(s) + 2HCl(aq) → CaCl₂(aq) + H₂O(l)

(Multiple Choice)

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Question 89

Which of the following is a weak base?

(Multiple Choice)

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Question 90

Ammonia, NH₃, produces hydroxide ions in aqueous solution by

(Multiple Choice)

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Question 91

Select the classification for the following reaction. H₂CO₃(aq) → H₂O(l) + CO₂(g)

(Multiple Choice)

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Question 92

What are the products when aqueous solutions of HCl and Na₂CO₃ react?

(Multiple Choice)

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Question 93

Which one of the following ionic compounds is insoluble in water?

(Multiple Choice)

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Question 94

Select the classification for the following reaction. H₂(g) + Cl₂(g) → 2HCl(g)

(Multiple Choice)

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Question 95

The correct method for preparing one liter of a 1.0 M solution of X is to dissolve exactly one mole of X in exactly one liter of water.

(True/False)

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Question 96

Which one of the following is not a redox reaction?

(Multiple Choice)

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Question 97

Select the net ionic equation for the reaction between lithium hydroxide and hydrobromic acid. LiOH(aq) + HBr(aq) → H₂O(l) + LiBr(aq)

(Multiple Choice)

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Question 98

Select the classification for the following reaction. Na₂O(s) + H₂O(l) → 2NaOH(aq)

(Multiple Choice)

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Question 99

Automobile batteries use 3.0 M H₂SO₄ as an electrolyte. How much 1.20 M NaOH will be needed to neutralize 225 mL of battery acid? H₂SO₄(aq) + 2NaOH(aq) → 2H₂O(l) + Na₂SO₄(aq)

(Multiple Choice)

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Question 100

Showing 81 - 100 of 111

Exam 4: Three Major Classes of Chemical Reactions

Which of the following is a strong acid?

Select the precipitate that forms when aqueous ammonium sulfide reacts with aqueous copper(II) nitrate.

Which of the following is most soluble in water?

Potassium chloride, KCl, sodium sulfate, Na2SO4, glucose, C6H12O6, carbon dioxide, CO2 and ammonium phosphate, (NH4)3PO4, are soluble in water. Which one produces the largest number of dissolved particles per mole of dissolved solute?

An acid

Select the classification for the following reaction. KOH(aq) + HCl(aq) → KCl(aq) + H2O(l)

When 2.61 g of solid Na2CO3 is dissolved in sufficient water to make 250. mL of solution, the concentration of Na2CO3 is:

A 0.00100 mol sample of Ca(OH)2 requires 25.00 mL of aqueous HCl for neutralization according to the reaction below. What is the concentration of the HCl? Equation: Ca(OH)2(s) + 2HCl(aq) → CaCl2(aq) + H2O(l)

Which of the following is a weak base?

Ammonia, NH3, produces hydroxide ions in aqueous solution by

Select the classification for the following reaction. H2CO3(aq) → H2O(l) + CO2(g)

What are the products when aqueous solutions of HCl and Na2CO3 react?

Which one of the following ionic compounds is insoluble in water?

Select the classification for the following reaction. H2(g) + Cl2(g) → 2HCl(g)

The correct method for preparing one liter of a 1.0 M solution of X is to dissolve exactly one mole of X in exactly one liter of water.

Which one of the following is not a redox reaction?

Select the net ionic equation for the reaction between lithium hydroxide and hydrobromic acid. LiOH(aq) + HBr(aq) → H2O(l) + LiBr(aq)

Select the classification for the following reaction. Na2O(s) + H2O(l) → 2NaOH(aq)

Automobile batteries use 3.0 M H2SO4 as an electrolyte. How much 1.20 M NaOH will be needed to neutralize 225 mL of battery acid? H2SO4(aq) + 2NaOH(aq) → 2H2O(l) + Na2SO4(aq)

Keys to the Study of Chemistry: Definitions, Units, and Problem Solving

The Components of Matter

Stoichiometry of Formulas and Equations

Gases and the Kinetic-Molecular Theory

Thermochemistry: Energy Flow and Chemical Change

Quantum Theory and Atomic Structure

Electron Configuration and Chemical Periodicity

Models of Chemical Bonding

The Shapes of Molecules

Theories of Covalent Bonding

Intermolecular Forces: Liquids, Solids, and Phase Changes

The Properties of Mixtures: Solutions and Colloids

Periodic Patterns in the Main-Group Elements

Organic Compounds and the Atomic Properties of Carbon

Kinetics: Rates and Mechanisms of Chemical Reactions

Equilibrium: the Extent of Chemical Reactions

Acid-Base Equilibria

Ionic Equilibria in Aqueous Systems

Thermodynamics: Entropy, Free Energy, and Reaction Direction

Electrochemistry: Chemical Change and Electrical Work

The Elements in Nature and Industry

Transition Elements and Their Coordination Compounds

Nuclear Reactions and Their Applications

Filters

Potassium chloride, KCl, sodium sulfate, Na₂SO₄, glucose, C₆H₁₂O₆, carbon dioxide, CO₂ and ammonium phosphate, (NH₄)₃PO₄, are soluble in water. Which one produces the largest number of dissolved particles per mole of dissolved solute?

Select the classification for the following reaction. KOH(aq) + HCl(aq) → KCl(aq) + H₂O(l)

When 2.61 g of solid Na₂CO₃ is dissolved in sufficient water to make 250. mL of solution, the concentration of Na₂CO₃is:

A 0.00100 mol sample of Ca(OH)₂ requires 25.00 mL of aqueous HCl for neutralization according to the reaction below. What is the concentration of the HCl? Equation: Ca(OH)₂(s) + 2HCl(aq) → CaCl₂(aq) + H₂O(l)

Ammonia, NH₃, produces hydroxide ions in aqueous solution by

Select the classification for the following reaction. H₂CO₃(aq) → H₂O(l) + CO₂(g)

What are the products when aqueous solutions of HCl and Na₂CO₃ react?

Select the classification for the following reaction. H₂(g) + Cl₂(g) → 2HCl(g)

Select the net ionic equation for the reaction between lithium hydroxide and hydrobromic acid. LiOH(aq) + HBr(aq) → H₂O(l) + LiBr(aq)

Select the classification for the following reaction. Na₂O(s) + H₂O(l) → 2NaOH(aq)

Automobile batteries use 3.0 M H₂SO₄ as an electrolyte. How much 1.20 M NaOH will be needed to neutralize 225 mL of battery acid? H₂SO₄(aq) + 2NaOH(aq) → 2H₂O(l) + Na₂SO₄(aq)