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Chemistry, 23.06.2019 06:50
The student repeated the experiment using a higher concentration of acid. the same volume of acid and the same mass of magnesium ribbon were used. what volume of hydrogen gas would have been produced after 60 seconds?
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Chemistry, 23.06.2019 10:30
How is it possible for someone to put an ear to a wall and hear someone in the next room? a.sound waves can travel though solids. b.the waves travel from room to room via air. c.there must be some air in the wall so the sound can travel through it. d.sound waves change to electromagnetic waves and then back again.
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Chemistry, 23.06.2019 13:30
The process by which liquid water changes into water vapour is called what ?
Answers: 2
2. Compare and contrast nuclear fission and nuclear fusion reactions in terms of the particles
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