Chemistry, 23.02.2021 17:50 eriksprincess13
When salt water is heated leaving behind solid salt, this is separating a mixture by what method?
A)
chromatography
B)
evaporation
Eliminate
filtration
D)
sifting
Answers: 1
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If a planet rotates 360 degrees during a 24 hour time period, what does that tell us about the planet? a. the middle of the planet is in darkness b. the seasons on the planet vary every day. c. the planet runs on a 12-hour time clock. d. the temperature on the planet varies daily.
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The human eye contains a molecule called 11-cis-retinal that changes shape when struck with light of sufficient energy. the change in shape triggers a series of events that results in an electrical signal being sent to the brain that results in vision. the minimum energy required to change the conformation of 11-cis-retinal within the eye is about 164 kj/mol.
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When salt water is heated leaving behind solid salt, this is separating a mixture by what method?
A...
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