Domanda del libro di testo
Using the activity series (Table 4.5), write balanced chemical equations for the following reactions. If no reaction occurs, write NR. (e) aluminum metal is added to a solution of cobalt(II) sulfate.
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Ch.4 - Reactions in Aqueous Solution
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 4, Problema 56d
Using the activity series (Table 4.5), write balanced chemical equations for the following reactions. If no reaction occurs, write NR. (d) chromium metal is immersed in an aqueous solution of cobalt(II) chloride
Guida verificata passo dopo passo1
Identify the reactants: chromium metal (Cr) and cobalt(II) chloride (CoCl_2).
Write the unbalanced chemical equation: Cr(s) + CoCl_2(aq) -> Co(s) + CrCl_2(aq).
Consult the activity series to determine if a reaction will occur. Chromium must be more reactive than cobalt for the reaction to proceed.
If chromium is more reactive than cobalt, balance the chemical equation by ensuring the number of atoms of each element is the same on both sides.
If chromium is not more reactive than cobalt, write 'NR' to indicate no reaction occurs.
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Activity Series
The activity series is a list of metals ranked by their ability to displace other metals from solutions of their ions. Metals higher in the series can displace those lower from their compounds. Understanding this series is crucial for predicting whether a reaction will occur when a metal is placed in a solution containing another metal's ions.
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Percorso guidato
02:02
Activity Series Chart
Redox Reactions
Redox (reduction-oxidation) reactions involve the transfer of electrons between substances, leading to changes in oxidation states. In the context of metal displacement reactions, the more reactive metal will be oxidized (lose electrons), while the less reactive metal ion will be reduced (gain electrons). Recognizing these changes is essential for writing balanced chemical equations.
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Percorso guidato
03:12Identifying Redox Reactions
Balanced Chemical Equations
A balanced chemical equation represents a chemical reaction with equal numbers of each type of atom on both sides of the equation. Balancing ensures the law of conservation of mass is upheld. In displacement reactions, it is important to correctly represent the reactants and products, including any ions in solution, to accurately depict the reaction that occurs or indicate if no reaction (NR) takes place.
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Percorso guidato
01:32Balancing Chemical Equations
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