Reaction Diagrams Practice

Front

What is potential energy in a reaction diagram?

Back

Potential energy refers to the energy stored in the reactants before a chemical reaction occurs. It is represented by a specific interval in the reaction diagram.

Front

What is a catalyst?

Back

A catalyst is a substance that increases the speed of a chemical reaction without being changed or consumed in the process.

Front

What characterizes an endothermic reaction?

Back

An endothermic reaction is characterized by the absorption of heat, resulting in products that have more energy than the reactants.

Front

What is activation energy?

Back

Activation energy is the minimum amount of energy required to initiate a chemical reaction, represented by a specific interval in the reaction diagram.

Front

What happens to energy in an exothermic reaction?

Back

In an exothermic reaction, energy is released, and the products have less energy than the reactants.

Front

How can you identify the potential energy of reactants in a reaction diagram?

Back

The potential energy of the reactants is typically represented by a specific interval on the left side of the reaction diagram.

Front

What is the difference between endothermic and exothermic reactions?

Back

Endothermic reactions absorb heat and have products with more energy, while exothermic reactions release heat and have products with less energy.

Front

What role do catalysts play in chemical reactions?

Back

Catalysts lower the activation energy required for a reaction, allowing it to proceed faster without being consumed.

Front

What does the term 'reaction diagram' refer to?

Back

A reaction diagram is a graphical representation of the energy changes during a chemical reaction, showing the potential energy of reactants and products.

Front

What is the significance of the peak in a reaction diagram?

Back

The peak in a reaction diagram represents the transition state, where the energy is at its maximum before the reaction proceeds to products.