Formulas and equations

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that retain their individual properties and can be separated by physical means.

Front

What is the formula for glucose?

Back

C₆H₁₂O₆

Front

What is the chemical name for PbO₂?

Back

lead(IV) oxide

Front

What is a chemical property?

Back

A chemical property is a characteristic of a substance that can only be observed during a chemical reaction, such as reactivity with oxygen.

Front

What type of reaction is represented by the equation: F₂(g) + 2KCl(aq) → 2KF(aq) + Cl₂(g)?

Back

single replacement

Front

What is the difference between a compound and a mixture?

Back

A compound is a substance formed when two or more elements chemically bond together, while a mixture is a physical combination of substances.

Front

What is the general formula for a combustion reaction?

Back

A combustion reaction generally follows the formula: Hydrocarbon + O₂ → CO₂ + H₂O.

Front

What is the significance of the coefficients in a balanced chemical equation?

Back

Coefficients indicate the number of moles of each substance involved in the reaction, ensuring the law of conservation of mass is upheld.

Front

What is the definition of a reactant?

Back

A reactant is a substance that undergoes a chemical change in a reaction.

Front

What is the definition of a product in a chemical reaction?

Back

A product is a substance that is formed as a result of a chemical reaction.