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Questions and Answers
What are the substances that undergo change in a chemical reaction?
What are the substances that undergo change in a chemical reaction?
- Catalysts
- Solvents
- Reactants (correct)
- Products
What is the law that states that mass is conserved in a chemical reaction?
What is the law that states that mass is conserved in a chemical reaction?
- Law of Multiple Proportions
- Law of Conservation of Mass (correct)
- Law of Definite Composition
- Law of Definite Proportions
What is a substance that speeds up a chemical reaction without being consumed in the reaction?
What is a substance that speeds up a chemical reaction without being consumed in the reaction?
- Enzyme
- Substrate
- Inhibitor
- Catalyst (correct)
Chemical reactions involve the breaking and formation of chemical bonds.
Chemical reactions involve the breaking and formation of chemical bonds.
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During a chemical reaction, the total mass of the products is always equal to the total mass of the reactants.
During a chemical reaction, the total mass of the products is always equal to the total mass of the reactants.
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Chemical reactions can only occur in liquid solutions.
Chemical reactions can only occur in liquid solutions.
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Study Notes
Chemical Reactions
- Reactants are the substances that undergo change in a chemical reaction.
- The Law of Conservation of Mass states that mass is conserved in a chemical reaction, meaning the total mass of the products is always equal to the total mass of the reactants.
- A catalyst is a substance that speeds up a chemical reaction without being consumed in the reaction.
- Chemical reactions involve the breaking and formation of chemical bonds.
- Chemical reactions can occur in various states, not just liquid solutions.
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