Chemistry, 27.10.2020 20:30 dawsoncollins4117
The air we breathe is mostly a mixture of oxygen and hydrogen. How do air molecules change above 100 km?
Water vapor condenses from the cold air.
The electrically charged ions in the ionosphere creates turbulence.
Gases are no longer evenly mixed but layered.
Meteors burn in Earth's atmosphere.
Answers: 2
Chemistry, 21.06.2019 18:10
The enthalpy of formation of water is -285.8 kj/mol. what can be inferred from this statement?
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Chemistry, 21.06.2019 23:00
City a and city b had two different temperatures on a particular day. on that day, four times the temperature of city a was 8â° c more than 3 times the temperature of city b. the temperature of city a minus twice the temperature of city b was â’3â° c. what was the temperature of city a and city b on that day? city a was 5â° c, and city b was 4â° c. city a was 3â° c, and city b was â’1â° c. city a was 8â° c, and city b was â’3â° c. city a was 5â° c, and city b was â’5â° c.
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Chemistry, 22.06.2019 04:30
This question is about electrolysis. metal spoons can be coated with silver. this is called electroplating. suggest one reason why spoons are electroplated?
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Chemistry, 22.06.2019 21:30
If you burn 46.6 g of hydrogen and produce 416 g of water, how much oxygen reacted
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The air we breathe is mostly a mixture of oxygen and hydrogen. How do air molecules change above 100...
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