Campbell Biology: Australian And New Zealand Edition + Mastering Biology With Etext
11th Edition
ISBN: 9781488687075
Author: Lisa, A. Urry
Publisher: PEARSON
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Question
Chapter 2.4, Problem 1CC
Summary Introduction
To draw: Lewis dot structure depicting the
Concept introduction: In Lewis dot structures, covalent bonds between atoms in a molecule are shown with dots representing valence electrons around element symbols. For example, H ׃ H represents a single covalent bond between two atoms of hydrogen (H) with each having a single valence electron.
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INTERPARTICLE FORCES
123
17. Despite both being nonpolar hydrocarbons, why is ethane a gas a room temperature when heptano
is a liquid?
(A) Ethane has more sigma bonds to reinforce the carbon chain.
(B) Heptane's longer chain has a larger electron cloud and more surface area available for
instantaneous attractions than ethane.
(C) Heptane's longer chain with more C-H bonds has more opportunities for hydrogen bonding to
form than ethane.
(D) Heptane has a carbon chain that is further apart making it less stable.
18. Which of the following would be expected to have the lowest vapor pressure at 25°C?
(A) N2
(B) Cl,
(С) Brz
(D) 2
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19. In which of the following pairs of substances is the substance with the higher expected melting point
listed first?
(A) KCl or NaCl
(B) Mg or AI
(C) Ba or Cs
(D) Ar or Kr
1o ianoo letevgo o qu sler isrdi aleioq soitel ad HOo ltecio a nl AS
20. Which of the substances below would be expected to have the lowest boiling point at 1 atm pressure?…
ch
Select all statements that are correct. Note there might be more than 1 correct
statement.
From the Lineweaver-Burk plot the equilibrium constant (Keq) can be obtained
The Lineweaver-Burk plot gives a more accurate prediction for Vmax than the Michaelis-
Menten plot
The Lineweaver-Burk plot assumes that products and reactants are present at equal
concentrations during the entire time of the reaction
The Lineweaver-Burk plot shows velocity of reaction vs substrate concentration
The Lineweaver-Burk plot shows 1/velocity of reaction vs 1/substrate concentration
O
20°C
D)
//
E
ver is given.
A +B C+ D
1) Calculate AG for the above react un and indicáte whether the reaction is favorable or unfavorable
[A] = 0.9 M
20°C
AG° = 4 KJ/mol
%3D
[B] = 15mM [C] = 4mM [D] = 3 M R= 8.314 J/moleK
%3D
%3D
4.7
and explain how you know.
Chapter 2 Solutions
Campbell Biology: Australian And New Zealand Edition + Mastering Biology With Etext
Ch. 2.1 - MAKE CONNECTIONS Explain how table salt has...Ch. 2.1 - Is a trace element an essential element? Explain.Ch. 2.1 - Prob. 3CCCh. 2.1 - MAKE CONNECTIONS Explain how natural selection...Ch. 2.2 - Prob. 1CCCh. 2.2 - A nitrogen atom has 7 protons, and the most common...Ch. 2.2 - Prob. 3CCCh. 2.2 - Prob. 4CCCh. 2.3 - Why does the structure H C = C H fail to make...Ch. 2.3 - What holds the atoms together in a crystal of...
Ch. 2.3 - What holds the atoms together in a crystal of...Ch. 2.4 - Prob. 1CCCh. 2.4 - Which type of chemical reaction, if any, occurs...Ch. 2.4 - WHAT IF? Write an equation that uses the products...Ch. 2 - Compare an element and a Compound.Ch. 2 - DRAW IT Draw the electron distribution diagrams...Ch. 2 - In terms of electron sharing between atoms,...Ch. 2 - What would happen to the concentration of products...Ch. 2 - Level 1: Knowledge/Comprehension 1. In the term...Ch. 2 - Compared with 31P, the radioactive isotope 32P has...Ch. 2 - The reactivity of an atom arises from (A) the...Ch. 2 - Which Statement is true of all atoms that are...Ch. 2 - Which of the following statements correctly...Ch. 2 - Prob. 6TYUCh. 2 - The atomic number of sulfur is 16. Sulfur combines...Ch. 2 - What coefficients must be placed in the following...Ch. 2 - DRAW IT Draw Lewis dot structures for each...Ch. 2 - EVOLUTION CONNECTION The percentages of naturally...Ch. 2 - SCIENTIFIC INQUIRY Female luna moths (Actias luna)...Ch. 2 - Prob. 12TYUCh. 2 - Prob. 13TYU
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