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Questions and Answers
Which law forms the basis of stoichiometry?
Which law forms the basis of stoichiometry?
- The law of definite proportions
- The law of conservation of energy
- The law of multiple proportions
- The law of conservation of mass (correct)
What does stoichiometry describe?
What does stoichiometry describe?
- The relationship between temperature and pressure
- The relationship between catalysts and reaction rate
- The relationship between the quantities of reactants and products (correct)
- The relationship between reactant concentration and reaction rate
What does a balanced chemical equation indicate?
What does a balanced chemical equation indicate?
- The ratio of reactants and products (correct)
- The rate of the reaction
- The temperature at which the reaction occurs
- The color change that occurs during the reaction
What can be calculated if the amounts of the separate reactants are known?
What can be calculated if the amounts of the separate reactants are known?
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In the given balanced equation, how many molecules of water are produced when one molecule of methane reacts?
In the given balanced equation, how many molecules of water are produced when one molecule of methane reacts?
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Study Notes
Stoichiometry Basics
- The Law of Definite Proportions forms the basis of stoichiometry
- Stoichiometry describes the quantitative relationships between reactants and products in chemical reactions
Balanced Chemical Equations
- A balanced chemical equation indicates that the number of atoms of each element is the same on both the reactant and product sides
- If the amounts of the separate reactants are known, the amount of product formed can be calculated
Example: Methane Reaction
- In the balanced equation, 2H2O molecules are produced when 1 CH4 molecule reacts
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