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Chemistry, 22.06.2019 20:00
The picture represents the process that produces most of the energy used by living organisms on earth. which process is represented in the picture? a) the magnetic attraction between two hydrogen nuclei. b) the fusion of hydrogen nuclei to produce a helium nucleus in the core of the sun. c) the fission of hydrogen nuclei to produce a helium nucleus in the core of the sun. d) the chemical reaction between hydrogen nuclei to produce a helium nucleus in earth's atmosphere.
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Chemistry, 23.06.2019 11:30
A) equal lines b) parallel lines c) perpendicular lines d) none of the above
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Chemistry, 23.06.2019 13:50
Which compounds are the brรธnsted-lowry bases in this equilibrium: hc2o4โ + h2bo3โ h3bo3 + c2o42โ ? a. h2bo3โ and h3bo3 b. hc2o4โ and h3bo3 c. hc2o4โ and c2o42โ d. h2bo3โ and c2o42โ e. hc2o4โ and h2bo3โ
Answers: 2
The number of valence electrons for 1s22s22p4 is:...
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