Stoichiometry in Chemistry

Key Vocabulary for stoichiometry; the quantitative relationships between substences in chemical reactions

Stoichiometry

Quantitative relationships between reactants and products in chemical reactions

Predict

Estimate the amount of products formed or reactants consumed

Designing

Creating and planning chemical reactions

Analyzing

Examining and evaluating chemical reactions

Efficiency

Measure of how well a chemical process performs

Pharmaceuticals

Field of medicine that involves drug development and production

Environmental Science

Study of the environment and its impact on living organisms

Material Science

Study of the properties and behavior of materials

Chemical Equation

Representation of a chemical reaction using formulas and symbols

Balancing

Ensuring the number of atoms of each element is equal on both sides of the equation

Coefficients

Whole numbers used to balance chemical equations

Mole Ratio

Ratio between the number of moles of two substances in a balanced chemical equation

Stoichiometric Calculations

Calculations involving mole ratios to determine quantities in a chemical reaction

Limiting Reactant

Reactant that is completely consumed and limits the amount of product formed

Excess Reactant

Reactant that is not completely consumed in a reaction

Percent Yield

Measure of the efficiency of a chemical reaction

Mass

Amount of matter in an object

Volume

Amount of space occupied by an object

Practice Problems

Exercises to apply stoichiometry concepts

Aluminum Chloride

Compound formed when aluminum reacts with chlorine gas

Moles

Unit of measurement for the amount of a substance

Water

Compound formed in a chemical reaction between hydrogen and oxygen

Conclusion

Summary of the main points discussed

Quantifying

Measuring and expressing the amount of a substance

Fundamental Skills

Basic abilities required in stoichiometry

Real-World Scenarios

Practical situations in which stoichiometric calculations are used

Field of Chemistry

Area of science that studies matter and its properties

Reactants

Substances that undergo a chemical reaction

Products

Substances formed as a result of a chemical reaction

Quantitative Relationships

Connections between the amounts of reactants and products

Chemical Reactions

Process in which substances are transformed into new substances