Learning objective
State that the law of conservation of mass means no atoms are lost or made during a chemical reaction.
Read the explanation, check the common trap, then practise with flashcards and questions.
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Topic
Chemical measurements, conservation of mass and the quantitative interpretation of chemical equations
Subtopic
Conservation of mass and balanced chemical equations
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Quick explanation
State that the law of conservation of mass means no atoms are lost or made during a chemical reaction
- This point belongs to Chemical measurements, conservation of mass and the quantitative interpretation of chemical equations, especially Conservation of mass and balanced chemical equations.
- You need to be able to state that the law of conservation of mass means no atoms are lost or made during a chemical reaction.
- The key ideas to know are conservation of mass.
- Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.
Key concepts
Why it matters
This objective helps connect Conservation of mass and balanced chemical equations to exam-style questions, flashcards, and revision notes for Chemical measurements, conservation of mass and the quantitative interpretation of chemical equations.
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What should you know about the law of conservation of mass means no atoms are lost or made during a chemical reaction?
Direct answer
In Chemistry, this page helps you answer questions about the law of conservation of mass means no atoms are lost or made during a chemical reaction within Chemical measurements, conservation of mass and the quantitative interpretation of chemical equations. Focus on the key process, correct scientific terms, and how the idea links to exam-style questions. Key terms to check are Conservation of mass and Chemical reaction.
Key terms
- Conservation of mass: The principle stating that no atoms are lost or created during a chemical reaction.
- Chemical reaction: A process in which substances (reactants) are transformed into different substances (products) without any loss of mass.
Common trap
Misunderstanding Atom Conservation: Emphasize that the law of conservation of mass states that no atoms are lost or made; they are simply rearranged.
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Revision notestopic notes
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Open revision notesRelated learning objectives
- Explain that the mass of the products equals the mass of the reactants in a chemical reaction.
Conservation of mass and balanced chemical equations
- Represent chemical reactions using balanced symbol equations.
Conservation of mass and balanced chemical equations
- Balance symbol equations by making the number of atoms of each element the same on both sides.
Conservation of mass and balanced chemical equations
- Interpret multipliers in normal script before formulae in chemical equations.
Conservation of mass and balanced chemical equations
- Interpret subscripts within formulae when counting atoms in balanced chemical equations.
Conservation of mass and balanced chemical equations