7. Arrange the following compounds in order of increasing water solubility, putting the least soluble compound first. A) I < II < III < IV C) I < III < II < IV B) II < I < III < IV D) IV < II < III < I

explanation: it gains negative electrons, therefore becoming negatively charged. as charge cannot be created, nor destroyed, only transferred, this leaves the wool positive. now that they have opposite charges, the two items attract.

i'm pretty sure its b i might be wrong though!

what is the average time it took the car to travel 0.25 meters?

⇒ 2.23 seconds

what is the average time it took the car to travel 0.50 meters?

⇒ 3.13 seconds

50.23 i believe is correct but don't quote me on that.