- 16.1: Define reaction rate.
- 16.2: Explain the difference between a reaction rate and a rate law.
- 16.3: What is a mechanism, and what is its ratedetermining step?
- 16.4: Explain why the names activated complex and transition state are su...
- 16.5: Explain the role of an intermediate in a reaction mechanism.
- 16.6: What are enzymes, and what common features do they all share?
- 16.7: What unit is most commonly used to express reaction rate?
- 16.8: Explain how to calculate a reaction rate from concentration-versus-...
- 16.9: Explain how a graph can be useful in defining and measuring the rat...
- 16.10: Suggest ways of measuring concentration in a reaction mixture.
- 16.11: Why is it necessary to divide by the coefficient in the balanced ch...
- 16.12: What does [A] mean if A is the reactant in a chemical reaction?
- 16.13: In a graph like the one in Figure 14, what are the signs of the slo...
- 16.14: Explain the effect that area has on reactions that occur on surfaces.
- 16.15: Why are reaction orders not always equal to the coefficients in a c...
- 16.16: Write the general expression for the rate law of a reaction with th...
- 16.17: Explain what a catalyst is and how it works.
- 16.18: Sketch a diagram showing how the potential energy changes with the ...
- 16.19: How do enzymes differ from other catalysts?
- 16.20: What is the rate of the reaction 2NO(g) + Br2(g) 2NOBr given that t...
- 16.21: During the same 38 s interval cited in problem 20, the nitric oxide...
- 16.22: Calculate the rate of a reaction, knowing that a graph of the conce...
- 16.23: In the reaction 2NO(g) + Br2(g) 2NOBr(g) doubling the Br2 concentra...
- 16.24: What is the reaction order if the reaction rate triples when the co...
- 16.25: The following reaction is first order. (CH2)3(g) CH2== CHCH3(g) Wha...
- 16.26: Explain why, even though a collision may have energy in excess of t...
- 16.27: What is meant by the rate-determining step in a reaction mechanism?
- 16.28: When hydrogen peroxide solution, used as an antiseptic, is applied ...
- 16.29: Using chemical terminology, explain the purpose of food refrigeration.
- 16.30: Why do reptiles move more sluggishly in cold weather?
- 16.31: Why is it necessary, in defining the rate of a reaction, to require...
- 16.32: Explain why, unlike gas-phase reactions, a reaction in solution is ...
- 16.33: Could a catalyzed reaction pathway have an activation energy higher...
- 16.34: Would you expect the concentration of a catalyst to appear in the r...
- 16.35: Boilers are sometimes used to heat large buildings. Deposits of CaC...
- 16.36: Use the following terms to create a concept map: activation energy,...
- 16.37: The three curves are lettered a, b, and c. Which curves have positi...
- 16.38: Associate each curve with one of the species being monitored.
- 16.39: What were the initial concentrations of bromine and hydrogen peroxide?
- 16.40: Measure the slope of each of the three curves at t = 500 s.
- 16.41: From each slope calculate a reaction rate. Do your three values agree?
- 16.42: Graphing Calculator Reaction Order The graphing calculator can run ...
Solutions for Chapter 16: Reaction Rates
Full solutions for Modern Chemistry: Student Edition 2006 | 1st Edition
An organic compound containing at least one halogen.
A compound containing a carboxylic acid group (COOH) as well as an amino group (NH2).
A liquid mixture of constant composition with a boiling point that is different from that of any of its components.
bonding molecular orbital.
A molecular orbital that is of lower energy and greater stability than the atomic orbitals from which it was formed. (10.6)
The potential difference between the cathode and anode in an electrochemical cell; it is measured in volts: 1 V = 1 J>C. Also called electromotive force. (Section 20.4)
A reaction in which a substance reacts with oxygen, usually with the release of heat and light, to produce a flame. (4.4)
In electrocyclicreactions, a type of rotation in which the orbitalsbeing used to form the new s bond must rotate in opposite directions (one rotates clockwise while the other rotates counterclockwise).
An eliminationreaction in which the leaving group only leavesafter deprotonation occurs. This process occurs atthe end of an aldol condensation.
Enthalpy change, DH
The difference in total bond strengths and solvation between various points under comparison on a reaction coordinate diagram
A catalyst that is in a different phase from that of the reactant substances. (Section 14.7)
When treated with a strong base, a quaternary ammonium halide undergoes b-elimination by an E2 mechanism to give the less-substituted alkene as the major product
hydronium ion 1H3O+2
The predominant form of the proton in aqueous solution. (Section 16.2)
A compound containing an !OOH group.
A compound containing a five-membered ring that is similar to pyrrole but has one extra nitrogen atom at the 3 position.
Points in a crystal all of which have identical environments. (Section 12.2)
nucleophilic acyl substitution
A reaction in which a nucleophile attacks a carboxylic acid derivative.
polar aprotic solvent
A solvent that lacks hydrogen atoms connected directly to an electronegative atom.
Elimination of two substituents at a metal center, causing the oxidation state of the metal to decrease by two.
A measure of the salt content of seawater, brine, or brackish water. It is equal to the mass in grams of dissolved salts present in 1 kg of seawater. (Section 18.3)
A reaction in which only one species is involved in the rate-determining step