Campbell Biology, Books a la Carte Plus Mastering Biology with eText -- Access Card Package (10th Edition)
10th Edition
ISBN: 9780133922851
Author: Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson
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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uestion (1 point)
e See section 9.8
A number of reactions can be used to generate common gases on a laboratory scale. For example, nitrogen can be produced from sodium metal
and potassium nitrate as indicated by the balanced equation:
10Na(s) + 2KNO3(s) K₂O(s)+5Na₂O(s)+N2(g)
A common laboratory-scale reaction can also generate oxygen gas by heating potassium chlorate, as indicated by the balanced equation:
2KCIO3(s) -
2KCI(s)+302(g)
1st attempt
Part 1 (0.5 point)
See Periodic Table See Hint
What mass of potassium nitrate is needed to generate 179.0 L of gas, composed of 135.0 L of N2 and 44.0 L of O2 at 0.920 atm
and 291 K, using these two reactions?
g KNO
Part 2 (0.5 point)
What mass of potassium chlorate is needed to generate 179.0 L of gas, composed of 135.0 L of N2 and 44.0 L of O2 at 0.920 atm
and 291 K, using these two reactions?
g KCIO
See Hint
9. Which reactions in Model 2 are hydrolysis reactions?
10. Write the soap formed in the following reaction.
OCH3 + NaOH
11. Summarize the major reactions in this activity. Are any of the reactions the reverse of
other reactions in the activity? Are any similar to each other?
None
Chapter 2 Solutions
Campbell Biology, Books a la Carte Plus Mastering Biology with eText -- Access Card Package (10th Edition)
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 - Prob. 2.1CRCh. 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 - Prob. 11TYUCh. 2 - Prob. 12TYUCh. 2 - Prob. 13TYU
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