Chemistry, 10.01.2021 14:00 emilyrobles
Emily learns that ancient astronomers, such as Ptolemy, created a model of the solar system based only on what they could see with their eyes. Describe Ptolemy's model of the solar system and how he came to his conclusions. Then describe Galileo's model of the solar system. Explain how Galileo proved that his model was correct and that Ptolemy’s was not correct.
Answers: 2
Chemistry, 22.06.2019 00:30
You have 125g of a certain seasoning and are told that it contains 76.0 g of salt what is the percentage of salt by mass in this seasoning
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Chemistry, 22.06.2019 09:00
Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?
Answers: 1
Chemistry, 22.06.2019 15:00
Answer explain why it is not possible to deduce a complete order of reactivity.
Answers: 3
Emily learns that ancient astronomers, such as Ptolemy, created a model of the solar system based on...
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