Domanda del libro di testo
Write the balanced chemical equation for the fermentation of sucrose (C12H22O11) by yeasts in which the aqueous sugar reacts with water to form aqueous ethanol (C2H5OH) and carbon dioxide gas.
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Ch.4 - Chemical Reactions and Chemical Quantities
Tro5th EditionChemistry: A Molecular ApproachISBN: 9780134874371
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TOC.tableOfContents
- Ch.1 - Matter, Measurement & Problem Solving117
- Ch.2 - Atoms & Elements106
- Ch.3 - Molecules and Compounds128
- Ch.4 - Chemical Reactions and Chemical Quantities56
- Ch.5 - Introduction to Solutions and Aqueous Solutions84
- Ch.6 - Gases112
- Ch.7 - Thermochemistry96
- Ch.8 - The Quantum-Mechanical Model of the Atom60
- Ch.9 - Periodic Properties of the Elements86
- Ch.10 - Chemical Bonding I: The Lewis Model91
- Ch.11 - Chemical Bonding II: Molecular Shapes, VSEPR & MO Theory85
- Ch.12 - Liquids, Solids & Intermolecular Forces51
- Ch.13 - Solids & Modern Materials48
- Ch.14 - Solutions93
- Ch.15 - Chemical Kinetics114
- Ch.16 - Chemical Equilibrium68
- Ch.17 - Acids and Bases137
- Ch.18 - Aqueous Ionic Equilibrium154
- Ch.19 - Free Energy & Thermodynamics91
- Ch.20 - Electrochemistry105
- Ch.21 - Radioactivity & Nuclear Chemistry74
- Ch.22 - Organic Chemistry141
Tro5th EditionChemistry: A Molecular ApproachISBN: 9780134874371Non è quello che usi tu?Cambia libro di testo
Capitolo 4, Problema 16
When iron rusts, solid iron reacts with gaseous oxygen to form solid iron(III) oxide. Write the balanced chemical equation for this reaction.
Guida verificata passo dopo passo1
Identify the reactants and products: The reactants are solid iron (Fe) and gaseous oxygen (O_2), and the product is solid iron(III) oxide (Fe_2O_3).
Write the unbalanced chemical equation: Fe (s) + O_2 (g) \(\rightarrow\) Fe_2O_3 (s).
Balance the iron atoms: Since there are 2 iron atoms in Fe_2O_3, place a coefficient of 2 in front of Fe: 2Fe (s) + O_2 (g) \(\rightarrow\) Fe_2O_3 (s).
Balance the oxygen atoms: There are 3 oxygen atoms in Fe_2O_3, so place a coefficient of 3/2 in front of O_2 to balance the oxygen atoms: 2Fe (s) + \(\frac{3}{2}\)O_2 (g) \(\rightarrow\) Fe_2O_3 (s).
Convert to whole numbers: Multiply the entire equation by 2 to eliminate the fraction: 4Fe (s) + 3O_2 (g) \(\rightarrow\) 2Fe_2O_3 (s).
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Chemical Reactions
A chemical reaction involves the transformation of reactants into products through the breaking and forming of chemical bonds. In the case of rusting, iron (Fe) reacts with oxygen (O2) to produce iron(III) oxide (Fe2O3), illustrating how elements combine to form new compounds.
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03:31
Chemical Properties
Balancing Chemical Equations
Balancing a chemical equation ensures that the number of atoms for each element is the same on both sides of the equation, adhering to the law of conservation of mass. This process involves adjusting coefficients in front of the chemical formulas to achieve balance, which is crucial for accurately representing the reaction.
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01:32Balancing Chemical Equations
Oxidation-Reduction Reactions
Rusting is an example of an oxidation-reduction (redox) reaction, where iron is oxidized (loses electrons) and oxygen is reduced (gains electrons). Understanding the transfer of electrons in these reactions helps explain the chemical changes occurring during rust formation and the role of oxygen in the process.
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01:53Oxidation and Reduction Reactions
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Domanda del libro di testo
Nitric acid is a component of acid rain that forms when gaseous nitrogen dioxide pollutant reacts with gaseous oxygen and liquid water to form aqueous nitric acid. Write the balanced chemical equation for this reaction. (Note: this is a simplified representation of this reaction.)
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Domanda del libro di testo
Sulfuric acid is a component of acid rain formed when gaseous sulfur dioxide pollutant reacts with gaseous oxygen and liquid water to form aqueous sulfuric acid. Write the balanced chemical equation this reaction. (Note: this is a simplified representation of this reaction.)
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Domanda del libro di testo
Write the balanced chemical equation for each reaction. a. Solid lead(II) sulfide reacts with aqueous hydrobromic acid to form solid lead(II) bromide and dihydrogen monosulfide gas.
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