Gases ;-; Flashcards
1
Q
where are gases present
A
- Atmosphere
- Dissolved in oceans
- Solid materials
2
Q
substances in atmosphere
A
- 78% N2
- 21% O2
- Argon and CO2
3
Q
Nitrogen technological applications
A
- P food freshness
- Manufacturing fertilizers
- Inflate Tires
4
Q
Oxygen technological applications
A
- administered to ppl with respiratory problems or under general anesthesia
- allows pressurization inside planes
- oxidizer to ignite the flame torches
5
Q
Compressed air technological applications
A
- scuba divers carry tanks
- pneumatic tools
- produce bubbles for manufacturing light and insulating materials
6
Q
Combustile gases technological applications
A
- natural gas and propane used for heating + cooking
- Fuel combustion engines
7
Q
Noble gases technological applications
A
- Illuminated signs
- incondencent LB and btw glass windows panes
- Balloons used for weather data
8
Q
Carbon Dioxide
A
- Preserved foods in warehouses
- Paintball
9
Q
Liquid density
A
0.875 a/mL
10
Q
Gases occupy a volume of
A
22.4L of STP
11
Q
1 mol of gas at STP is
A
28.96g
12
Q
Density of air at STP
A
1.3 x10^-3 g/mL
13
Q
101.32 KPa is
A
- 14.7 Psi
- 760 mm Hg
- 760 Torr
- 1atm
14
Q
A
