Consider the following oxidation/reduction reaction:
Oxidation/reduction reaction between zinc and hydrogen ions.


Zn(s) +

2H+(aq)

-->

Zn+2(aq) +

H2(g)

#p+









2

#e-









2

(4 pts) Fill in the number of protons and electrons for each product and reactant (two boxes have been filled in for you).
(2 pts) Verify that the number of protons on the left side of the chemical equation is equal to the number of protons of the right side. Show your work.
(2 pts) Verify that the number of electrons on the left side of the chemical equation is equal to the number of electrons of the right side. Show your work.
(3 pts) Which substance is being oxidized? How do you know?
(3 pts) Which substance is being reduced? How do you know?
(4 pts) If you carried out the above reaction, what visual evidence would there be that the reaction is taking place?

(2 pts) Type two sentences about your current understanding of ‘sound.
Read Chapter 10 on Waves and Sound in the textbook.
(5 pts) Compare your original understanding of sound to the book’s information. How is it the same? How is it different?