Chemistry, 01.04.2021 19:10 blkrosesss
. Scientists once thought there was no life on the deep-sea floor due to the lack of sunlight. However, in the 1970's, complete ecosystems were discovered on the deep-sea floor that depend on energy from chemical reactions rather than energy from sunlight. Which conclusion can be drawn from this discovery?
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Chemistry, 22.06.2019 13:30
1) which of the following is the best example of a physical change? a) sugar dissolving in tea b) firefly glowing 2) in the combustion of ethane, what is/are the reactants? c2h6 + o2 ==> co2 + h2o a) c2h6 and o2 b) co2 and c2h6
Answers: 2
Chemistry, 23.06.2019 01:30
Which statement justifies that hydrogen peroxide (h2o2) is a polar molecule? the o – h bond is nonpolar and the molecule is asymmetric. the o – h bond is nonpolar and the molecule is symmetric. the o – h bond is polar and the molecule is asymmetric. the o – h bond is polar and the molecule is symmetric.
Answers: 1
Chemistry, 23.06.2019 21:30
How does changing the concentration increase the reaction rate of a chemical change
Answers: 3
Chemistry, 23.06.2019 21:30
If 1.00 mol cs2 reacts with 1.00 mol o2, identify the limiting reactions
Answers: 3
. Scientists once thought there was no life on the deep-sea floor due to the lack of sunlight. Howev...
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