Physics, 14.05.2021 05:20, kyrabrown33
Some students placed a clear solution in a beaker and heated it for 40 minutes. Their observations are provided. Time (minutes) Observations 10 Bubbles on the bottom of the beaker are visible 20 Water is rapidly boiling 30 Water level in beaker has decreased 40 White crystals have formed on the edges of the beaker Evidence that the solution contained matter that could not be seen was observed during what time? 10 minutes о O 20 minutes O 30 minutes O 40 minutes
Answers: 3
Physics, 22.06.2019 07:00, gracie18383
We have a colorless transparent liquid. it looks like water. we seperated it into a solid and a liquid by evaporration and condention was this a chemichal or a physical seperation a. chemical seperation b. physical seperation
Answers: 3
Physics, 22.06.2019 23:30, china236
A6.0-kilogram cart initially traveling at 4.0 meters per second east accelerates uniformly at 0.50 meter per second squared east for 3.0 seconds. what is the speed of the cart at the end of this 3.0 second interval? (1) 1.5 m/s (3) 3.0 m/s (2) 5.5 m/s (4) 7.0 m/s
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Preciso de ajuda na parte de termometria e tenho prova amanhã ajuda ae prf
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Some students placed a clear solution in a beaker and heated it for 40 minutes. Their observations a...
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