Consider the Reaction X → Y with the Following Data

Multiple Choice

Consider the reaction X → Y with the following data: Energy of reactants = 50 kJ/mole;
Energy of reaction = -30 kJ/mole;
Energy of transition state = 90 kJ/mole.
The energy of products for the reaction is ________ kJ/mole.

A) -30
B) 20
C) 30
D) 80