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Chemistry, 22.06.2019 11:00
What is the molar mass of a gas that has density of 2.054 g/l
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Chemistry, 22.06.2019 19:40
Scientists have developed an explanation of a phenomenon from several verified hypotheses. the explanation has been confirmed through numerous experimental tests.which option best describes this explanation? a. scientific lawb. research questionc. hypothesisd. scientific theory
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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.
Answers: 3
Chemistry, 22.06.2019 23:50
Which scientists contributed to the determination of how cfcs in clouds in the upper atmosphere could destroy ozone molecules
Answers: 1
The table below gives the numbers of protons, electrons, and neutrons in four atoms.
Number of neut...
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