Skip to main content
Ch.3 - Chemical Reactions and Reaction Stoichiometry
Brown - Chemistry: The Central Science 14th Edition
Brown14th EditionChemistry: The Central ScienceISBN: 9780134414232Non è quello che usi tu?Cambia libro di testo
Tutti i libri di testoBrown 14th EditionCh.3 - Chemical Reactions and Reaction StoichiometryProblema 76c
Capitolo 3, Problema 76c

Consider the mixture of propane, C3H8, and O2 shown here. (c) How many molecules of CO2, H2O, C3H8, and O2 will be present if the reaction goes to completion?

Guida verificata passo dopo passo
1
Write the balanced chemical equation for the combustion of propane: C_3H_8 + 5O_2 \(\rightarrow\) 3CO_2 + 4H_2O.
Determine the initial number of molecules of C_3H_8 and O_2 in the mixture.
Use stoichiometry to calculate the number of molecules of CO_2 and H_2O produced from the complete reaction of C_3H_8.
Determine the limiting reactant by comparing the mole ratio of C_3H_8 to O_2 with the stoichiometric ratio from the balanced equation.
Calculate the remaining molecules of the excess reactant after the reaction goes to completion.

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:
4m

Concetti chiave

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

Stoichiometry

Stoichiometry is the branch of chemistry that deals with the quantitative relationships between the reactants and products in a chemical reaction. It allows us to calculate the amounts of substances consumed and produced in a reaction based on balanced chemical equations. Understanding stoichiometry is essential for determining how many molecules of each substance are present after a reaction goes to completion.
Video consigliato:
Percorso guidato
01:16
Stoichiometry Concept

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 crucial for accurately representing the conservation of mass during a chemical reaction. For the combustion of propane, the balanced equation will provide the ratios of propane, oxygen, carbon dioxide, and water produced, which is necessary for calculating the final amounts of each substance.
Video consigliato:
Percorso guidato
01:32
Balancing Chemical Equations

Limiting Reactant

The limiting reactant is the substance that is completely consumed first in a chemical reaction, thus determining the maximum amount of product that can be formed. Identifying the limiting reactant is vital for stoichiometric calculations, as it affects the final quantities of all products. In the case of propane combustion, knowing which reactant limits the reaction will help in calculating the exact number of molecules of CO2 and H2O produced.
Video consigliato:
Percorso guidato
01:30
Limiting Reagent Concept
Pratica correlata
Domanda del libro di testo

Consider the mixture of propane, C3H8, and O2 shown here. (a) Write a balanced equation for the combustion reaction that occurs between propane and oxygen.

626
views
Domanda del libro di testo

Consider the mixture of ethanol, C2H5OH, and O2 shown in the accompanying diagram. (c) How many molecules of CO2, H2O, C2H5OH, and O2 will be present if the reaction goes to completion?

690
views
Domanda del libro di testo

Consider the mixture of ethanol, C2H5OH, and O2 shown in the accompanying diagram. (b) Which reactant is the limiting reactant?

598
views
Domanda del libro di testo

Sodium hydroxide reacts with carbon dioxide as follows: 2 NaOH(s) + CO2(g) → Na2CO3(s) + H2O(l) How many moles of Na2CO3 can be produced?

830
views
Domanda del libro di testo

Sodium hydroxide reacts with carbon dioxide as follows: 2 NaOH1s2 + CO21g2¡Na2CO31s2 + H2O1l2 How many moles of the excess reactant remain after the completion of the reaction?

739
views
Domanda del libro di testo

Sodium hydroxide reacts with carbon dioxide as follows: 2 NaOH(s) + CO2(g) → Na2CO3(s) + H2O(l) Which is the limiting reactant when 1.85 mol NaOH and 1.00 mol CO2 are allowed to react?

1
views