Scelta multipla
Consider the following gas reaction of A2 ( shaded spheres) and B2 ( unshaded spheres)
A2 (g) + B2 (g) ⇌ 2 AB (g)
Which container proceeds more to completion?
3058
views
6
rank
1
comments
15. Chemical Equilibrium
Le Chatelier's Principle
1:07 minutiProblema 16
Domanda del libro di testo
What effect do the listed changes have on the position of the equilibrium in the reaction of carbon with hydrogen? C(s) + 2 H2(g) ⇌ CH4(g) ∆H = -18 kcal/mol (-75kJ/mol) Allowing CH4 to escape continuously from the reaction vessel
Guida verificata passo dopo passo1
Identify the type of reaction: The given reaction is an exothermic reaction, as indicated by the negative \( \Delta H \) value.
Understand the concept of equilibrium: In a chemical equilibrium, the rate of the forward reaction equals the rate of the reverse reaction.
Apply Le Chatelier's Principle: This principle states that if a dynamic equilibrium is disturbed by changing the conditions, the position of equilibrium shifts to counteract the change.
Consider the effect of removing a product: Allowing \( \text{CH}_4 \) to escape continuously reduces its concentration in the reaction vessel.
Predict the shift in equilibrium: According to Le Chatelier's Principle, the equilibrium will shift to the right to produce more \( \text{CH}_4 \) to replace what is being removed.
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:
1mConcetti chiave
Ecco i concetti essenziali che devi comprendere per rispondere correttamente alla domanda.
Le Chatelier's Principle
Le Chatelier's Principle states that if a dynamic equilibrium is disturbed by changing the conditions, the position of equilibrium shifts to counteract the change. In this case, allowing CH4 to escape continuously reduces its concentration, prompting the equilibrium to shift to the right to produce more CH4, thereby attempting to restore balance.
Video consigliato:
Percorso guidato
09:34
The following is an endothermic reaction where Kc = 6.73 x 103.For each of the choices below predict in which direction the reaction will proceed
Equilibrium Constant (K)
The equilibrium constant (K) quantifies the ratio of the concentrations of products to reactants at equilibrium for a given reaction at a specific temperature. For the reaction C(s) + 2 H2(g) ⇌ CH4(g), the equilibrium constant will change if the concentration of CH4 decreases due to its escape, affecting the overall position of the equilibrium.
Video consigliato:
Percorso guidato
02:50The Equilibrium Constant Concept 1
Endothermic vs. Exothermic Reactions
The reaction given is exothermic, as indicated by the negative ΔH value. In exothermic reactions, heat is released when products are formed. If the system loses CH4, the equilibrium will shift to the right to produce more CH4, which also means that the system will release heat, further influencing the reaction dynamics and equilibrium position.
Video consigliato:
Percorso guidato
02:38Endothermic & Exothermic Reactions
Video correlati
Pratica correlata