Chemistry, 13.11.2019 21:31 carson5238
When carbon is burned in air, it reacts with oxygen to form carbon dioxide. when 20.4 g of carbon were burned in the presence of 66.2 g of oxygen, 11.8 g of oxygen remained unreacted. what mass of carbon dioxide was produced?
Answers: 2
Chemistry, 22.06.2019 08:30, lpssprinklezlps
What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots
Answers: 3
Chemistry, 22.06.2019 08:30, breannaking9734
Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains
Answers: 2
Chemistry, 22.06.2019 22:30, jkjjoijjm5928
Akno3 solution containing 51 g of kno3 per 100.0 g of water is cooled from 40 ∘c to 0 ∘c. what will happen during cooling?
Answers: 3
When carbon is burned in air, it reacts with oxygen to form carbon dioxide. when 20.4 g of carbon we...
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