Help please this is a hard question I meeed help I neeed to pas oleass
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Chemistry, 03.08.2021 22:50 damienlopezram
Help please this is a hard question I meeed help I neeed to pas oleass
Answers: 2
Chemistry, 22.06.2019 08:00
Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.
Answers: 2
Chemistry, 22.06.2019 09:40
Apiece of copper has a temperature of 75.6 0c. when the metal is placed in 100.0 grams of water at 19.1 0c, the temperature rises by 5.5 0c. what is the mass of the metal?
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Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?
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How does kepler second law of planetary motion overthrow one of the basic beliefs of classical astronomy
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