Domanda del libro di testo
(a) What is meant by the term isomer?
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Ch.2 - Atoms, Molecules, and Ions
Brown14th EditionChemistry: The Central ScienceISBN: 9780134414232
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TOC.tableOfContents
- 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: 9780134414232Non è quello che usi tu?Cambia libro di testo
Capitolo 2, Problema 81b2
(b) Pentane is the alkane with a chain of five carbon atoms. Determine its molecular formula.
Guida verificata passo dopo passo1
Identify the general formula for alkanes, which is C_nH_{2n+2}.
Recognize that pentane has a chain of five carbon atoms, so n = 5.
Substitute n = 5 into the general formula: C_5H_{2(5)+2}.
Calculate the number of hydrogen atoms: 2(5) + 2 = 12.
Write the molecular formula for pentane as C_5H_{12}.
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Alkanes
Alkanes are a class of hydrocarbons characterized by single bonds between carbon atoms. They follow the general formula CnH2n+2, where 'n' represents the number of carbon atoms. This structure results in saturated compounds, meaning they contain the maximum number of hydrogen atoms possible for a given number of carbon atoms.
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01:20
Naming Alkanes Example
Molecular Formula
The molecular formula of a compound indicates the number and types of atoms present in a molecule. For alkanes, the molecular formula can be derived from the number of carbon atoms in the chain. For pentane, which has five carbon atoms, the molecular formula can be calculated using the formula CnH2n+2.
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02:08Determining Molecular Formulas
Carbon Chain Length
The length of the carbon chain in alkanes directly influences their molecular formula and properties. In the case of pentane, the chain consists of five carbon atoms, which determines the specific arrangement and number of hydrogen atoms. Understanding the relationship between chain length and molecular formula is essential for identifying and naming alkanes.
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03:483 and 4 Carbon Alkyls
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(a) What is a functional group?
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(b) Among the four alkanes, ethane, propane, butane, and pentane, which is capable of existing in isomeric forms?
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(a) What is a hydrocarbon?
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Assume that you encounter the following sentences in your reading. What is the chemical formula for each substance mentioned? (c) Hydrogen cyanide is a very poisonous gas.
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Domanda del libro di testo
(b) Pentane is the alkane with a chain of five carbon atoms. Determine its empirical formula.
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