Chemistry, 20.09.2019 00:20 DCURLS3518
Ineed getting an idea for my science fair idea but my teacher said it had to be something useful and that you can research on. no silly experiments that last a day, !
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Chemistry, 22.06.2019 12:00
What is the percentage of hydrogen in nitrogen trihydride
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Chemistry, 22.06.2019 12:30
The bond energy for the van der waals bond between two helium atoms is 7.9ร10โ4ev. assuming that the average kinetic energy of a helium atom is (3/2)kbt, at what temperature is the average kinetic energy equal to the bond energy between two helium atoms
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Chemistry, 22.06.2019 20:20
The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.
Answers: 1
Chemistry, 22.06.2019 21:00
What is the chemical formula for the compound formed between sodium and flour one
Answers: 1
Ineed getting an idea for my science fair idea but my teacher said it had to be something useful an...
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