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Representative Gases
(MrsLuke)
| Question | Answer |
|---|---|
| What are some defining characteristics of hydrogen? (H2) | very flammable, strong base |
| What are some uses of hydrogen? (H2) | used in rocket fuel and ammonia synthesis |
| How can hydrogen be produced? (H2) | C + H2O --> CO + H2 |
| What are some defining characteristics of methane? (CH4) | toxic in large quantities, lighter than air |
| What are some uses of methane? (CH4) | used in antifreeze and to generate electricity |
| How can methane be produced? (CH4) | CO2 + 4 H2 --> CH4 + 2 H2O |
| What are some defining characteristics of nitrogen? (N2) | inert, electronegativity of 3.0 |
| What are some uses of nitrogen? (N2) | used to create ammonia and fertilizers |
| How can nitrogen be produced? (N2) | 2 NH3 --> N2 + 3 H2 |
| What are some defining characteristics of oxygen? (O2) | third most abundant substance in the universe, blue as a liquid |
| What are some uses of oxygen? (O2) | used in respiration and rocket propellant |
| How can oxygen be produced? (O2) | 2 H2O --> O2 + 2 H2 |
| What are some defining characteristics of ozone? (O3) | blue as a gas, pungent odor, blue-black crystal |
| What are some uses of ozone? (O3) | used to purify water and to filter out UV rays in the atmosphere |
| How can ozone be produced? (O3) | O + O2 --> O3 |
| What are some defining characteristics of carbon monoxide? (CO) | tasteless, toxic in large amounts |
| What are some uses of carbon monoxide? (CO) | used in gas mixtures to heat homes and as a reducing agent when making metals |
| How can carbon monoxide be produced? (CO) | 2 C + O2 --> 2 CO |
| What are some defining characteristics of carbon dioxide? (CO2) | dry ice as a solid, slight acid taste, non-flammable |
| What are some uses of carbon dioxide? (CO2) | used in photosynthesis and can be used as a solvent |
| How can carbon dioxide be produced? (CO2) | C6H12O2 + 6 O2 --> 6 CO2 + 6 H2O |
| What are some defining characteristics of chlorine? (Cl2) | clear amber color as a liquid, greenish-yellow gas, third highest electronegativity |
| What are some uses of chlorine? (Cl2) | used in WWI weapons and to kill germs in pools |
| How can chlorine be produced? (Cl2) | 2 NaCl --> 2 Na + Cl2 |
| What are some defining characteristics of Argon? (Ar) | inactive, rarely bonds, non-polar |
| What are some uses of argon? (Ar) | used in welding, lasers, and fluorecent lighting |
| How can argon be produced? (Ar) | ArCO2 + CO2 --> Ar + 2 CO2 |
| What are some defining characteristics of ammonia? (NH3) | strong odor, easily liquified, less dense than air, weak base |
| What are some uses of ammonia? (NH3) | used in fertilizers and to dye different fabrics |
| How can ammonia be produced? (NH3) | N2 + 3 H2 --> 2 NH3 |
| What are some defining characteristics of nitrous oxide? (N2O) | sweet odor, denser than air |
| What are some uses of nitrous oxide? (N2O) | used for sedation and pain relief (laughing gas) |
| How can nitrous oxide be produced? (N2O) | 2 N2 + O2 --> 2 N2O |
| What is the most prevalent gas in the atmosphere? | nitrogen (78%) |
| What is the second most prevalent gas in the atmosphere? | oxygen (21%) |
| What is the third most prevalent gas in the atmosphere? | argon (0.93%) |
| What is the most prevalent gas in the universe? | hydrogen (75%) |
| What is the most prevalent gas in Earth's crust? | oxygen (46.6%) |
Created by:
emkrstyen
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