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Exam 4: The Major Classes of Chemical Reactions

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Exam 1: Keys to the Study of Chemistry79 Questionsadd course
Exam 2: The Components of Matter105 Questionsadd course
Exam 3: Stoichiometry of Formulas and Equations87 Questionsadd course
Exam 4: The Major Classes of Chemical Reactions124 Questionsadd course
Exam 5: Gases and the Kinetic-Molecular Theory115 Questionsadd course
Exam 6: Thermochemistry: Energy Flow and Chemical Change85 Questionsadd course
Exam 7: Quantum Theory and Atomic Structure83 Questionsadd course
Exam 8: Electron Configuration and Chemical Periodicity85 Questionsadd course
Exam 9: Models of Chemical Bonding74 Questionsadd course
Exam 10: The Shapes of Molecules109 Questionsadd course
Exam 11: Theories of Covalent Bonding58 Questionsadd course
Exam 12: Intermolecular Forces: Liquids, Solids, and Phase Changes111 Questionsadd course
Exam 13: The Properties of Mixtures: Solutions and Colloids105 Questionsadd course
Exam 14: Periodic Patterns in the Main Group Elements: Bonding, Structure, and Reactivity118 Questionsadd course
Exam 15: Organic Compounds and the Atomic Properties of Carbon118 Questionsadd course
Exam 16: Kinetics: Rates and Mechanisms of Chemical Reactions88 Questionsadd course
Exam 17: Equilibrium: the Extent of Chemical Reactions104 Questionsadd course
Exam 18: Acid-Base Equilibria103 Questionsadd course
Exam 19: Ionic Equilibria in Aqueous Systems119 Questionsadd course
Exam 20: Thermodynamics: Entropy, Free Energy, and the Direction of Chemical Reactions94 Questionsadd course
Exam 21: Electrochemistry: Chemical Change and Electrical Work102 Questionsadd course
Exam 22: The Elements in Nature and Industry57 Questionsadd course
Exam 23: The Transition Elements and Their Coordination Compounds92 Questionsadd course
Exam 24: Nuclear Reactions and Their Applications94 Questionsadd course
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In an acid-base (neutralization) reaction the equivalence point is the point where the indicator changes color.

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Question 121

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

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Question 122

Reduction is the loss of electrons.

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Question 123

In both of the following reactions, a precipitate is formed. Complete and balance the equations, showing the phases of the products. a. BaCl2(aq) + Na2SO4(aq) b. Mg(NO3)2(aq) + KOH(aq)

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