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Chemistry, 21.06.2019 23:50
Why do scientists look for patterns in the world? a. patterns can explain observations. b. patterns never change, no matter what. c. patterns are easy for scientists to detect. d. patterns are all the same, through all time.
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Which of these statements explains the difference between nuclear binding energy and the strong nuclear force ?
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Chemistry, 22.06.2019 15:10
Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?
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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
A gas is held in a 30L container under 12 Kpa of pressure at 40℃. How many moles of gas are there in...
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