Chapter 6 (section 8)

Question 1

If a chemical equation is multiplied by some factor, then ∆ᵣH…?

Answer 1

is also multiplied by the same factor.

Question 2

If a chemical equation is reversed, then ∆ᵣH…?

Answer 2

changes sign.

Question 3

If a chemical eqaution cna be expressed as the sum of a series of steps, then ∆ᵣH for the overall equation is…?

Answer 3

the sum of the ∆ᵣH’s for each step.