How much water must be added to 40.0 g of CaCl2 to produce a solution that is 35.0 wt% CaCl2?

Joseph has hypothesized that sound travels in waves. if he were following the scientific method, what should he do next? a. ask a question. b. test the hypothesis. c. study the results. d. tell other scientists about his hypothesis.

In order to calculate the amount of heat transferred you must know the __ and specific heat of the material, as well as the change in temperature. a. volume b. density c. mass d. enthalpy

How do you convert 4 mmol of bromobenzene to ml?