
Chemistry: Atoms First
18th Edition
ISBN: 9781938168154
Author: Richard Langley, Klaus Theopold, Paul Flowers
Publisher: OpenStax College
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Textbook Question
Chapter 2, Problem 34E
Open the Build a Molecule simulation (http://openstax.org/M16molbuilding) and select the "Larger Molecules" tab. Select an appropriate atom's "Kit" to build a molecule with two carbon and six hydrogen atoms. Drag atoms into the space above the "Kit" to make a molecule. A name will appear when you have made an actual molecule that exists (even if it is not the one you want). You can use the scissors tool to separate atoms if you would like to change the connections. Click on "3D" to see the molecule and look at both the space-filling and ball-and- stick possibilities.
(a) Draw the structural formula of this molecule and state its name.
(b) Can you arrange these atoms in any way to make a different compound?
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Identifying the major species in weak acid or weak base equilibria
The preparations of two aqueous solutions are described in the table below. For each solution, write the chemical formulas of the major species present at
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Identifying the major species in weak acid or weak base equilibria
The preparations of two aqueous solutions are described in the table below. For each solution, write the chemical formulas of the major species present at
equilibrium. You can leave out water itself.
Write the chemical formulas of the species that will act as acids in the 'acids' row, the formulas of the species that will act as bases in the 'bases' row, and the
formulas of the species that will act as neither acids nor bases in the 'other' row.
You will find it useful to keep in mind that NH3 is a weak base.
acids: ☐
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bases: ☐
solution.
other: ☐
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to 1.0 L of a solution that is
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NH₁Br.
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bases: ☐
other: ☐
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000
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Chapter 2 Solutions
Chemistry: Atoms First
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