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Chemistry, 23.06.2019 01:00
Reactions in cells take place at about a. 40°c b. 0° c. 100°c d. 60°c
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Chemistry, 23.06.2019 02:30
Asubstance is held in an open container. its particles move past one another at random speeds but do not leave the container. heat is removed from the system, and the particles slow down. when enough heat is removed, the particles no longer have enough speed to overcome the weak attractive forces between them. when this happens, the substance enters its solid state. the process described above is known as .
Answers: 3
Chemistry, 23.06.2019 05:30
Awhite powder is added to a solution. the images show observations made before the powder is added, just after the powder has been added, and a little while later. (the liquid in the small beaker is phenol red solution.) what evidence shows that a chemical change has taken place?
Answers: 1
If a solution that has a concentration of 6 M when the volume is 200 mL. ?
what needs to be the new...
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