Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 2, Problem 27TYK
Summary Introduction
Introduction: In a
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which of the following are true regarding chemical equilibrium (choose all that are true)
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c. there is an equal amount of products and reactants
d. the ΔH and Ea are relatively small
Which of the following increases the rate of a reaction? a. cold temperatures b. solid reactants c. increased reactant concentration d. absence of a catalyst
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Chapter 2 Solutions
Study Guide for Campbell Biology
Ch. 2 - Fill in the names beside the symbols of the...Ch. 2 - The difference between the mass number and the...Ch. 2 - To move to a shell farther from the nucleus, an...Ch. 2 - Prob. 4IQCh. 2 - Fill in the blanks in the following concept map to...Ch. 2 - Prob. 6IQCh. 2 - Prob. 7IQCh. 2 - Prob. 8IQCh. 2 - Draw the structural formula of a water molecule,...Ch. 2 - Look at your sketch of a water molecule in...
Ch. 2 - Prob. 11IQCh. 2 - Prob. 1SYKCh. 2 - Atoms can have various numbers associated with...Ch. 2 - Prob. 3SYKCh. 2 - Prob. 1TYKCh. 2 - Prob. 2TYKCh. 2 - Prob. 3TYKCh. 2 - Prob. 4TYKCh. 2 - Radioactive isotopes can be used in studies of...Ch. 2 - Prob. 6TYKCh. 2 - Prob. 7TYKCh. 2 - Prob. 8TYKCh. 2 - Prob. 9TYKCh. 2 - Prob. 10TYKCh. 2 - Prob. 11TYKCh. 2 - Prob. 12TYKCh. 2 - Prob. 13TYKCh. 2 - Prob. 14TYKCh. 2 - Prob. 15TYKCh. 2 - A covalent bond between two atoms is likely to be...Ch. 2 - Prob. 17TYKCh. 2 - Prob. 18TYKCh. 2 - For questions 19-21, choose from the following...Ch. 2 - Prob. 20TYKCh. 2 - Prob. 21TYKCh. 2 - Prob. 22TYKCh. 2 - Prob. 23TYKCh. 2 - Prob. 24TYKCh. 2 - Prob. 25TYKCh. 2 - What is the difference between a molecule and a...Ch. 2 - Prob. 27TYKCh. 2 - Prob. 28TYK
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- For this question, use the following reaction and Kc value: 2NH3 (9) * N2(9) + H29) Kc = 3.4 x 104 At equilibrium, what is true about the amount of reactants compared with the amount of products? O A. The amount of reactants are higher than the number of products. B. The number of reactants are lower than the number of products. C. The number of reactants are the same as the number of products. Chparrow_forwardA reducing chemical reaction: a. reduces the compound to a simpler form b. adds an electron to the substrate c. removes a hydrogen atom from the substrate d. is a catabolic reaction. With reason.arrow_forwardUsing this chemical equation: 3Na+AlCl3->3NaCl+Al If 16 g Na and 8 g AlCl3 are allowed to react, find a. the limiting reactant b. the excess reactant c. the grams of Al are formed in the chemical reaction.arrow_forward
- Which of the following correctly explains why the vapor pressure of water has to be included in the calculations? Some of the liquid water evaporates into the gas, and increases the total pressure generated by the trapped gas. As the H2(g) is bubbled up the reaction solution, some of the H2(g) molecules are solubilized by water in the aqueous solution, effectively decreasing the measured pressure above. The pressure contributed by the H2(g) is greater than the measured total pressure because of the contribution of partial pressure of water vapor. The pressure exerted by the evolved H2(g) is reduced because of the co-presence of water vapor, thus Pwater vapor has to be added to Pdry gas. Overview of the experiment:arrow_forwardWhich of the following statements are correct about how enzymes accelerate chemical reactions (select all that apply)? A. Enzymes bind substrates to raise their effective concentration B. Enzymes enhance the rate of a chemical reaction C. Enzymes catalyze chemical reactions by destabilizing transition states D. Side chains of protein provide reactive groups that facilitate reaction E. Enzymes shift the equilibrium of a chemical reaction to favor product formationarrow_forwardUsing collision theory, indicate which of the following statements regarding physical nature of the reactants is true: a) physical nature of reactants The physical nature of reactants does not influence the rate of reaction because reactions happen only on the molecular level. Solids, liquids or gases all influence the rate of reaction the same because they are all in the physical state. Solid state reactants react faster if the particle sizes are larger because reactions occur at the boundary surface with direct contact. Gaseous-state reactions are faster than liquid-state or solid-state reactions because collisions between reactants are more frequent.arrow_forward
- if the reaction given below occurs and pure A and B were mixed, which of the following would take place as equilibrium was established A + B ⇌ C a. the concentration of C would increase for a time, then remain constant b. the concentration of A would increase for a time, then decrease c. the concentration of B would increase for a time, then remain constantarrow_forwardExamine the chemical equation below, and label each reactant and product. (which is a reactant and product) H2O + CO2 ⇋ H2CO3 ⇋ HCO3- + H+ If you are blowing CO2 from your lung into a water solution, will it make the solution more acidic or basic?arrow_forwardDefine the following terms:a. exergonic reactionb. endergonic reactionc. phosphoryl group transfer potentiald. dissipative systeme. phosphoanhydride bondarrow_forward
- Which of the followingdescribe superior properties of enzymes (biological catalysts) over traditional chemical catalysts? a. They are mostly and generally operative under mild temperature, pressure, and pH conditions b. They are regulated only by substrate concentration c. They do not effect the reaction equilibrium, but lower the reaction's activation energy d. They are recycled at the end of the reaction Choose all that applyarrow_forwardThe rate of removal of alcohol from the bloodstream stays the same, regardless of the concentration of blood alcohol. What term do we use to describe this reaction rate law? A A first order reaction B A zeroth order reaction C A complex order reaction D A second order reactionarrow_forwardWhich one of the following statements is completely TRUE? O When AG > 0, the reaction is BOTH product-favored (spontaneous) AND endergonic. When AG 0, the reaction is BOTH reactant-favored (nonspontaneous) AND endergonic. When AG > 0, the reaction is BOTH product-favored (spontaneous) AND exergonic. When AG > 0, the reaction is BOTH reactant-favored (nonspontaneous) AND exergonic. When AG < 0, the reaction is BOTH reactant-favored (nonspontaneous) AND exergonic.arrow_forward
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