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Ch.4 - Chemical Quantities & Aqueous Reactions
Tro - Chemistry: A Molecular Approach 4th Edition
Tro4th EditionChemistry: A Molecular ApproachISBN: 9780134112831당신이 사용하는 게 아니라요?교과서 변경
4장, 문제 40

Consider the reaction: 2 CH3OH(g) + 3 O2(g) → 2 CO2(g) + 4 H2O(g) Each of the molecular diagrams represents an initial mixture of the reactants. How many CO2 molecules form from the reaction mixture that produces the greatest amount of products?

검증된 단계별 안내
1
Identify the balanced chemical equation: 2 \(\text{CH}\)_3\(\text{OH}\)(g) + 3 \(\text{O}\)_2(g) \(\rightarrow\) 2 \(\text{CO}\)_2(g) + 4 \(\text{H}\)_2\(\text{O}\)(g)
Determine the stoichiometric ratios from the balanced equation: 2 \(\text{CH}\)_3\(\text{OH}\) : 3 \(\text{O}\)_2 : 2 \(\text{CO}\)_2 : 4 \(\text{H}\)_2\(\text{O}\)
Examine the molecular diagrams to count the number of \(\text{CH}\)_3\(\text{OH}\) and \(\text{O}\)_2} molecules available initially.
Identify the limiting reactant by comparing the available molecules to the stoichiometric ratios.
Calculate the maximum number of \(\text{CO}\)_2 molecules that can be formed based on the limiting reactant using the stoichiometric ratio: \(\text{Limiting Reactant}\) \(\rightarrow\) \(\text{CO}\)_2.

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이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.
영상 길이:
10m

주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Stoichiometry

Stoichiometry is the calculation of reactants and products in chemical reactions based on the balanced equation. It allows us to determine the proportions of each substance involved in the reaction. In this case, the coefficients in the balanced equation indicate that for every 2 moles of CH₃OH consumed, 2 moles of CO₂ are produced, establishing a direct relationship between the reactants and products.
추천 영상:
가이드 코스
01:16
Stoichiometry Concept

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 crucial for calculating the yield of products. In this reaction, the initial amounts of CH₃OH and O₂ will dictate which reactant limits the formation of CO₂.
추천 영상:
가이드 코스
01:30
Limiting Reagent Concept

Molecular Diagrams

Molecular diagrams visually represent the arrangement and interaction of molecules in a chemical reaction. They help in understanding the initial concentrations of reactants and the potential products formed. Analyzing these diagrams can provide insights into how many molecules of CO₂ can be produced based on the initial mixture of CH₃OH and O₂.
추천 영상:
가이드 코스
04:12
Molecular Orbital Diagram