Lecture 1 (Exam 1)

Question 1

Are observations macroscopic or microscopic?

Answer 1

Macroscopic

Question 2

Are explanations macroscopic or microscopic?

Answer 2

Microscopic

Question 3

What releases energy?

Answer 3

Making bonds

Question 4

What is the algebraic sign for change in energy for an exothermic reaction?

Answer 4

-

Question 5

What is the algebraic sign for change in energy for an endothermic reaction?

Answer 5

+

Question 6

Putting energy into a reaction does what?

Answer 6

Overcomes activation energy and breaks bonds