Chemistry 30 Diploma Practice Questions - Alberta Grade 12 Diploma Examination - Chemistry 30 Exam

In Alberta Chemistry 30, an exothermic reaction is best described by which statement about enthalpy change?

The enthalpy of products is greater than the enthalpy of reactants, so delta H is positive Energy is absorbed from the surroundings, so the surroundings cool down The system gains potential energy and delta H equals zero The enthalpy of products is less than the enthalpy of reactants, so delta H is negative

Correct Answer:

The enthalpy of products is less than the enthalpy of reactants, so delta H is negative

Access more questions from this quiz

Continue to Chemistry 30 Diploma Practice Questions - Alberta Grade 12 Diploma Examination - Chemistry 30 Exam for more practice questions and the full quiz experience.

Access More Questions