If you need to boil 34.5 g of water, how much energy do you need to add if the heat of vaporization is 2256 J/g?

Which statement accurately describes the rock layers? layer 8 is older than layer 1. layer 3 is younger than layer 6. layer 4 and layer 10 are the same relative age. layer 2 and layer 9 are the same relative age.

Which solution is an example of a nonelectrolyte? a. iodine in hexane b. sodium nitrate in waterc. acetic acid in waterd. hydrogen chloride in water

  the mississippians were considered to be  horticulturalists, which means they were