Chapter 16, Problem 51AE

Interpretation Introduction

Interpretation:

Diagram for endothermic reaction has to be drawn. Effect on graph on addition of catalyst has to be drawn.

Concept Introduction:

Endothermic reactions are those that absorb energy from the environment as heat or light. Catalyst is a substance that influences rate of reaction and recovered essentially unchanged at the end of reaction. It doesn't shift equilibrium of a reaction. It affects only speed at which equilibrium is reached.

Activation energy is minimum energy required for reaction to occur. Catalyst speeds up a reaction by decrease of activation energy but not change energies of reactants or products.