1 Matter, Measurements, And Calculations 2 Atoms And Molecules 3 Electronic Structure And The Periodic Law 4 Forces Between Particles 5 Chemical Reactions 6 The States Of Matter 7 Sollutions And Colloids 8 Reaction Rates And Equilibrium 9 Acids, Bases, And Salts 10 Radioactivity And Nuclear Processes 11 Organic Compounds: Alkanes 12 Unsaturated Hydrocarbons 13 Alcohols, Phenols, And Ethers 14 Aldehydes And Ketones 15 Carboxylic Acids And Esters 16 Amines And Amides 17 Carbohydrates 18 Lipids 19 Proteins 20 Enzymes 21 Nucleic Acids And Protein Synthesis 22 Nutrition And Energy For Life 23 Carbohydrate Metabolism 24 Lipid And Amino Acid Metabolism 25 Body Fluids Chapter8: Reaction Rates And Equilibrium
Chapter Questions Section: Chapter Questions
Problem 8.1E: Classify the following processes as spontaneous or non-spontaneous. Explain your answer in terms of... Problem 8.2E: Classify the following processes as spontaneous or nonspontaneous. Explain your answer in terms of... Problem 8.3E: Classify the following processes as exergonic or endergonic. Explain your answers. a.Any combustion... Problem 8.4E: Classify the following processes as exergonic or endergonic. Explain your answers. a.An automobile... Problem 8.5E: Describe the energy and entropy changes that occur in the following processes, and indicate whether... Problem 8.6E: Describe the energy and entropy changes that occur in the following processes, and indicate whether... Problem 8.7E: Pick the example with the highest entropy from each of the following sets. Explain your answers.... Problem 8.8E: Pick the example with the highest entropy from each of the following sets. Explain your answers.... Problem 8.9E: You probably know that on exposure to air silver tarnishes and iron rusts; but gold, stainless... Problem 8.10E: Classify the following processes according to their rates as very slow, slow, or fast: a.The souring... Problem 8.11E: Classify the following processes according to their rates as very slow, slow, or fast: a.The melting... Problem 8.12E: Describe the observations or measurements that could be made to allow you to follow the rate of the... Problem 8.13E Problem 8.14E: Consider the following hypothetical reaction: A+BC Calculate the average rate of the reaction on the... Problem 8.15E: Consider the following hypothetical reaction: A+BC Calculate the average rate of the reaction on the... Problem 8.16E: A reaction generates chlorine gas (Cl2) as a product. The reactants are mixed and sealed in a... Problem 8.17E: A reaction generates hydrogen gas (H2) as a product. The reactants are mixed and sealed in a 250.-mL... Problem 8.18E Problem 8.19E Problem 8.20E: In each of the following, which reaction mechanism assumption is apparently being violated? Explain... Problem 8.21E: Which reaction mechanism assumptions are unimportant in describing simple ionic reactions between... Problem 8.22E Problem 8.23E: Sketch energy diagrams to represent each of the following. Label the diagrams completely and tell... Problem 8.24E Problem 8.25E: Use energy diagrams to compare catalyzed and uncatalyzed reactions. Problem 8.26E Problem 8.27E: The following reactions are proposed. Make a rough estimate of the rate of each one rapid, slow,... Problem 8.28E Problem 8.29E Problem 8.30E: Suppose you are running a reaction and you want to speed it up. Describe three things you might try... Problem 8.31E: A reaction is started by mixing reactants. As time passes, the rate decreases. Explain this behavior... Problem 8.32E: A reaction is run at 10C and takes 3.7hours to go to completion. How long would it take to complete... Problem 8.33E: What factor is more important than simply the amount of solid reactant present in determining the... Problem 8.34E Problem 8.35E: Describe the establishment of equilibrium in a system represented by a shopper walking up the down... Problem 8.36E Problem 8.37E Problem 8.38E: Colorless hydrogen gas (H2) and red-brown colored bromine gas (Br2) reacts to form colorless HBr... Problem 8.39E: Colorless N2O4 gas decomposes to form red-brown colored NO2 gas. Describe how the concentrations of... Problem 8.40E Problem 8.41E: Write an equilibrium expression for each of the following gaseous reactions: a.3O22O3 b.COCl2CO+Cl2... Problem 8.42E Problem 8.43E Problem 8.44E Problem 8.45E Problem 8.46E: A sample of gaseous BrCl is allowed to decompose in a closed container at 25C: 2BrCl(g)Br2(g)+Cl2(g)... Problem 8.47E: At 600C, gaseous CO and Cl2 are mixed together in a closed container. At the instant they are mixed,... Problem 8.48E: A mixture of the gases NOCl, Cl2 and NO is allowed to reach equilibrium at 25C. The measured... Problem 8.49E: Consider the following equilibrium constants. Describe how you would expect the equilibrium... Problem 8.50E Problem 8.51E: Use Le Chteliers principle to predict the direction of equilibrium shift in the following equilibria... Problem 8.52E: Use Le Chteliers principle to predict the direction of the equilibrium shift in the following... Problem 8.53E: Use Le Chteliers principle to predict the direction of equilibrium shift and the changes that will... Problem 8.54E Problem 8.55E: Tell what will happen to each equilibrium concentration in the following when the indicated stress... Problem 8.56E: Tell what will happen to each equilibrium concentration in the following when the indicated stress... Problem 8.57E: The gaseous reaction 2HBr(g)H2(g)+Br2(g) is endothermic. Tell which direction the equilibrium will... Problem 8.58E Problem 8.59E Problem 8.60E Problem 8.61E Problem 8.62E Problem 8.63E Problem 8.64E Problem 8.65E Problem 8.66E Problem 8.67E: Refer to Figure 8.10 and answer the questions. Would you expect a crushed antacid tablet like... Problem 8.68E: Refer to Figure 8.13 and answer the questions. Would the presence of a catalyst in the tube... Problem 8.69E Problem 8.70E Problem 8.71E: Suppose you have two identical unopened bottles of carbonated beverage. The contents of both bottles... Problem 8.72E: Someone once suggested that it is impossible to unscramble a scrambled egg. Describe an unscrambled... Problem 8.73E: A reaction takes place between an acid and 0.5grams of solid magnesium ribbon. Another reaction... Problem 8.74E: If the reaction:A+BC+D is designated as first order, the rate depends on: a.the concentration of... Problem 8.75E Problem 8.76E: A book is held 6 feet above the floor and then dropped. Which statement is true? a.The potential... Problem 8.77E Problem 8.78E Problem 8.79E Problem 8.80E Problem 8.81E Problem 8.82E: Which of the following is the best example of potential energy changing to kinetic energy? a.Pushing... Problem 8.83E: Which is NOT an example of an endothermic change? a.melting b.sublimation c.freezing d.evaporation Problem 8.84E: Which of the following processes is endothermic? a. ice melting b. a piece of paper burning c. a... Problem 8.85E: Which sentence best describes the following reaction? 2H2(g)+O2(g)2H2O(l)+heat a. It is an... Problem 8.86E: By which of the following mechanisms does a catalyst operate? a. It decreases the activation energy... Problem 8.87E: Which of the following is NOT true of reversible chemical reactions? a. A chemical reaction is never... Problem 8.88E: Given the reaction: 2CO(g)+O2(g)2CO2(g) When there is an increase in pressure to the system one... Problem 8.89E Problem 8.90E: Consider the reaction N2(g)+3H2(g)2NH3(g)+heat. Indicate the incorrect statement. a. An increase in... Problem 8.91E Problem 8.92E Problem 8.93E: For the reaction: H2(g)+Br2(g)2HBr(g), the reaction can be driven to the left by: a. increasing the... Problem 8.94E Problem 8.86E: By which of the following mechanisms does a catalyst operate? a. It decreases the activation energy...
Related questions
as the temp of a reaction is increased the rate of the reaction increases why?
(see image)
Transcribed Image Text: Because reactant molecules collide more frequently with less energy per collision
Because activation energy is lowered
Because reactant molecules collide less frequently
Because reactant molecules collide less frequently and with greater energy per collision
Because reactant molecules collide more frequently and with greater energy per collision
Definition Definition Study of the speed of chemical reactions and other factors that affect the rate of reaction. It also extends toward the mechanism involved in the reaction.
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