Need fast
how should the student design investigation 2 to finish testing the factors t...
Chemistry, 28.11.2019 06:31 chaundreascott743
Need fast
how should the student design investigation 2 to finish testing the factors that affect the dissolving rate of kcl?
a
keep the temperature at 40°c. do not stir the solution.
b
keep the temperature at 20°c. stir the solution.
c
decrease the temperature to 0°c. do not stir the solution.
d
increase the temperature to 80°c. stir the solution.
Answers: 3
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Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?
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