Skip to main content
Ch.3 - Molecules, Compounds & Chemical Equations
Tro - Chemistry: A Molecular Approach 4th Edition
Tro4th EditionChemistry: A Molecular ApproachISBN: 9780134112831Non è quello che usi tu?Cambia libro di testo
Tutti i libri di testoTro 4th EditionCh.3 - Molecules, Compounds & Chemical EquationsProblema 105
Capitolo 3, Problema 105

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.

Guida verificata passo dopo passo
1
Identify the reactants and products in the fermentation process: sucrose (C_{12}H_{22}O_{11}), water (H_2O), ethanol (C_2H_5OH), and carbon dioxide (CO_2).
Write the unbalanced chemical equation: C_{12}H_{22}O_{11} + H_2O \(\rightarrow\) C_2H_5OH + CO_2.
Balance the carbon atoms: Ensure the number of carbon atoms on the reactant side equals the number on the product side.
Balance the hydrogen atoms: Ensure the number of hydrogen atoms on the reactant side equals the number on the product side.
Balance the oxygen atoms: Ensure the number of oxygen atoms on the reactant side equals the number on the product side.

Risposta video verificata per un problema simile:

Questa soluzione video è stata consigliata dai nostri tutor come utile per risolvere questo problema.
Durata del video:
1m

Concetti chiave

Ecco i concetti essenziali che devi comprendere per rispondere correttamente alla domanda.

Fermentation

Fermentation is a metabolic process that converts sugars into acids, gases, or alcohol in the absence of oxygen. In the case of yeast, it primarily involves the conversion of glucose and other sugars into ethanol and carbon dioxide. This process is crucial in various applications, including brewing and baking, and is facilitated by enzymes produced by yeast.

Balancing Chemical Equations

Balancing chemical equations is the process of ensuring that the number of atoms for each element is the same on both sides of the equation. This is based on the law of conservation of mass, which states that matter cannot be created or destroyed in a chemical reaction. A balanced equation accurately represents the reactants and products involved in the reaction.
Video consigliato:
Percorso guidato
01:32
Balancing Chemical Equations

Stoichiometry

Stoichiometry is the area of chemistry that deals with the quantitative relationships between the substances involved in a chemical reaction. It allows chemists to calculate the amounts of reactants needed and products formed based on balanced equations. Understanding stoichiometry is essential for predicting yields and understanding the efficiency of reactions.
Video consigliato:
Percorso guidato
01:16
Stoichiometry Concept
Pratica correlata
Domanda del libro di testo

When iron rusts, solid iron reacts with gaseous oxygen to form solid iron(III) oxide. Write the balanced chemical equation for this reaction.

1864
views
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.)

1702
views
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.

1475
views
1
rank
Domanda del libro di testo

Write the balanced chemical equation for each reaction. b. Gaseous carbon monoxide reacts with hydrogen gas to form gaseous methane (CH4) and liquid water.

1638
views