Textbook Question
Consider a sample of calcium carbonate in the form of a cubemeasuring 2.005 in. on each edge. If the sample has a densityof 2.71 g>cm3, how many oxygen atoms does it contain?
Ch.2 - Atoms, Molecules, and Ions
Brown14th EditionChemistry: The Central ScienceISBN: 9780134414232
Not the one you use?Change textbookSelect a different textbook
Table of contents
- Ch.1 - Introduction: Matter, Energy, and Measurement177
- Ch.2 - Atoms, Molecules, and Ions231
- Ch.3 - Chemical Reactions and Reaction Stoichiometry216
- Ch.4 - Reactions in Aqueous Solution189
- Ch.5 - Thermochemistry175
- Ch.6 - Electronic Structure of Atoms168
- Ch.7 - Periodic Properties of the Elements150
- Ch.8 - Basic Concepts of Chemical Bonding177
- Ch.9 - Molecular Geometry and Bonding Theories200
- Ch.10 - Gases179
- Ch.11 - Liquids and Intermolecular Forces113
- Ch.12 - Solids and Modern Materials154
- Ch.13 - Properties of Solutions157
- Ch.14 - Chemical Kinetics199
- Ch.15 - Chemical Equilibrium128
- Ch.16 - Acid-Base Equilibria164
- Ch.17 - Additional Aspects of Aqueous Equilibria163
- Ch.18 - Chemistry of the Environment105
- Ch.19 - Chemical Thermodynamics164
- Ch.20 - Electrochemistry171
- Ch.21 - Nuclear Chemistry122
- Ch.22 - Chemistry of the Nonmetals82
- Ch.23 - Transition Metals and Coordination Chemistry79
- Ch.24 - The Chemistry of Life: Organic and Biological Chemistry16
Brown14th EditionChemistry: The Central ScienceISBN: 9780134414232Not the one you use?Change textbook
Chapter 2, Problem 108b
Cyclopropane is an interesting hydrocarbon. Instead of having three carbons in a row, the three carbons form a ring, as shown in this perspective drawing (see Figure 2.18 for a prior example of this kind of drawing):
Cyclopropane was at one time used as an anesthetic, but its use was discontinued, in part because it is highly flammable. (b) The three carbon atoms are necessarily in a plane. What do the different wedges mean?
Verified step by step guidance1
Identify the structure in the image as a cyclic compound with hydroxyl groups attached to the carbon atoms.
Note that the wedges and dashed lines indicate the three-dimensional orientation of the bonds.
Solid wedges represent bonds coming out of the plane of the paper towards the observer.
Dashed wedges represent bonds going into the plane of the paper away from the observer.
The straight lines represent bonds that lie in the plane of the paper.
Verified video answer for a similar problem:
This video solution was recommended by our tutors as helpful for the problem above.
Video duration:
5mWas this helpful?
Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Cyclopropane Structure
Cyclopropane is a cyclic hydrocarbon consisting of three carbon atoms arranged in a triangular ring. This unique structure leads to angle strain due to the 60-degree bond angles, which are much smaller than the ideal tetrahedral angle of 109.5 degrees found in alkanes. Understanding this geometry is crucial for grasping the reactivity and properties of cyclopropane.
Recommended video:
Guided course
01:42
Resonance Structures
Wedge and Dash Notation
Wedge and dash notation is a way to represent three-dimensional molecular structures on a two-dimensional surface. Solid wedges indicate bonds that project out of the plane towards the viewer, while dashed lines represent bonds that extend behind the plane. This notation helps visualize the spatial arrangement of atoms, which is essential for understanding stereochemistry and molecular interactions.
Recommended video:
Guided course
02:50Standard Notation to Scientific Notation
Flammability of Cyclopropane
Cyclopropane is highly flammable due to its strained ring structure, which makes it more reactive than linear alkanes. The presence of angle strain allows for easier breaking of C-H and C-C bonds, leading to combustion reactions. This property was a significant factor in the discontinuation of its use as an anesthetic, highlighting the importance of understanding the safety implications of chemical structures.
Recommended video:
Guided course
01:41Physical Properties Example
Related Practice
Textbook Question
Elements in the same group of the periodic table often form oxyanions with the same general formula. The anions are also named in a similar fashion. Based on these observations, suggest a chemical formula or name, as appropriate, for each of the following ions: (d) hydrogen tellurate ion.
Textbook Question
Carbonic acid occurs in carbonated beverages. When allowed to react with lithium hydroxide, it produces lithium carbonate. Lithium carbonate is used to treat depression and bipolar disorder. Write chemical formula for carbonic acid, lithium hydroxide, and lithium carbonate.
Textbook Question
Fill in the blanks in the following table:
Cation Anion Formula Name
Lithium oxide
Fe2+ PO43-
Al2(SO4)3
Copper(II) nitrate
Cr3+ I−
MnClO2
Ammonium carbonate
Zinc perchlorate
Complete the third column of the table.
Complete the fourth column of the table.
Textbook Question
Elements in the same group of the periodic table often form oxyanions with the same general formula. The anions are also named in a similar fashion. Based on these observations, suggest a chemical formula or name, as appropriate, for each of the following ions: (a) BrO4- (b) SeO32- (c) arsenate ion
1
views
Textbook Question
Cyclopropane is an interesting hydrocarbon. Instead of having three carbons in a row, the three carbons form a ring, as shown in this perspective drawing (see Figure 2.18 for a prior example of this kind of drawing):
Cyclopropane was at one time used as an anesthetic, but its use was discontinued, in part because it is highly flammable. (a) How does it differ from that of propane?
2
views