13.2.2 - Total entropy

Question 1

What is the total enthalpy equal to?

Answer 1

Entropy of the system + entropy of the surroundings

Question 2

What are the units for total entropy?

Answer 2

Joules per Kelvin per mole

Question 3

What is the formula for the entropy of the system?

Answer 3

Entropy of products - entropy of reactants

Question 4

What does the total entropy need to be for a reaction to occur?

Answer 4

A positive value

Question 5

What is the formula for the entropy change of the surroundings?

Answer 5

Negative enthalpy change / Temp

Question 6

For an exothermic what sign will the value for the entropy of surrounding have?

Answer 6

Positive