The gauge pressure for the air in a balloon equals 1.01 x 10^5 Pa. If atmospheric pressure is equal to 1.01 x 10^5 Pa, what is the absolute pressure of the air inside the balloon?

a.

0 Pa

b.

5.05 x 10^4 Pa

c.

1.01 x 10^5 Pa

d.

2.02 x 10^5 Pa

One chlorine atom combines with one sodium atom. how many potassium atoms do you think combine with a chlorine atom?

Make sure you have a copy of the Plan an Investigation Student Guide for this lab. Also, be sure to follow all safety guidelines. If you need to review them, refer to the Lab Safety Agreement. Use the drop-down menus to answer the questions.

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