Chemistry, 15.10.2019 20:00 naenae2cold12021
Marie stirs 4 grams of salt and 10 grams of sand together in a paper cup. she then stirs 5 grams of salt and 4 gram
of sand in another cup. she asks earl what he observes in the cups. he reports seeing grains of salt and grains of
sand. what is the best description of what marie made in the cups?
o two heterogeneous mixtures
o two different substances
o two different compounds
o two homogeneous mixtures
Answers: 2
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Why dose heating increase the speed at which a solution dissolved in water
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Assignment directions: pick one of the following chemists and perform a bit of research on him/her. answer the following questions. alice hamilton             rosalind franklin marie curie             gertrude b. elion ada yonath             henry cavendish robert boyle             antoine lavoisier mario j. molina             svante arrhenius
Answers: 1
Marie stirs 4 grams of salt and 10 grams of sand together in a paper cup. she then stirs 5 grams of...
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