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Ch.3 - Mass Relationships in Chemical Reactions
McMurry - Chemistry 8th Edition
McMurry8th EditionChemistryISBN: 9781292336145당신이 사용하는 게 아니라요?교과서 변경
3장, 문제 36

Which of the following equations is balanced?
(a) The development reaction in silver-halide photography: 2 AgBr + 2 NaOH + C6H6O2 → 2 Ag + H2O + 2 NaBr + C6H4O2
(b) The preparation of household bleach: 2 NaOH + Cl2 → NaOCl + NaCl + H2O

검증된 단계별 안내
1
Identify the number of each type of atom on both sides of the equation for option (a).
For option (a), count the atoms: Ag, Br, Na, O, H, and C on both sides of the equation.
Check if the number of each type of atom is the same on both sides of the equation for option (a).
Repeat the process for option (b): count the atoms Na, O, Cl, and H on both sides of the equation.
Determine which equation has the same number of each type of atom on both sides, indicating it is balanced.

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이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.
영상 길이:
3m

주요 개념

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

Balancing Chemical Equations

Balancing chemical equations involves ensuring that the number of atoms for each element is the same on both sides of the equation. This reflects the law of conservation of mass, which states that matter cannot be created or destroyed in a chemical reaction. Each coefficient in the equation represents the number of molecules or moles of a substance, and adjusting these coefficients helps achieve balance.
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가이드 코스
01:32
Balancing Chemical Equations

Stoichiometry

Stoichiometry is the quantitative relationship between reactants and products in a chemical reaction. It allows chemists to predict the amounts of substances consumed and produced in a reaction based on balanced equations. Understanding stoichiometry is essential for calculating yields, determining limiting reactants, and performing conversions between moles, mass, and volume.
추천 영상:
가이드 코스
01:16
Stoichiometry Concept

Types of Reactions

Chemical reactions can be classified into various types, such as synthesis, decomposition, single replacement, and double replacement. Each type has distinct characteristics and patterns that can help in predicting the products of a reaction. Recognizing the type of reaction can also aid in balancing equations, as certain reactions follow specific rules regarding the conservation of atoms and charge.
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가이드 코스
02:25
Common Types of Alkane Reactions