Chemistry April 3 & 4, 2017

•OBJECTIVE: Students will describe and explain, orally and in writing, how gases behave under various conditions.

•W.O.D. Dissonance-lack of harmony or agreement

•WARM-UP

1. According to Gay-Lussac’s law, how does the absolute temperature vary with pressure?

2. A gas has a pressure of 110 kPa and the temperature is reduced by half. What will be the new pressure?

HW

•Explain in detail how 2 of the following works. In your explanation mention how factors such as pressure/volume/temperature/amount of gas, change in the process. Apply a gas law(s) in your explanation.

•How does a hot air balloon work?

•How does a syringe work

•Pressure cooker

•Scuba diving

•Car tires

•How is liquid nitrogen made?

CW page 480 #47-50, 52, 56, 58, 60