A scientist is investigating which type of medicine would dissolve faster, a solid pill or a scoop of powder. Which hypothesis should the scientist develop given prior knowledge about surface area?
A.
Powders have more surface area and will dissolve faster.
B.
Solid pills have less surface area and will not dissolve.
C.
Solid pills have more surface area and will take longer to dissolve.
D.
Powders have less surface area and will dissolve faster.
Answers: 3
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Kc = 0.040 for the system below at 450oc. if a reaction is initiated with 0.40 mole of cl2 and 0.40 mole of pcl3 in a 2.0 liter container, what is the equilibrium concentration of cl2 in the same system? pcl5(g) ⇄ pcl3(g) + cl2(g)
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