Amaterial has a density of 8.9g/cm3. you have six cubic centimeters of the substance. what is the materials mass in grams

Why do scientists look for patterns in the world? a. patterns can explain observations. b. patterns never change, no matter what. c. patterns are easy for scientists to detect. d. patterns are all the same, through all time.

In the reaction h2co3 (aq) + 3nh3 (aq) = 2 nh4+ (aq) + co3 2-, how many electrons are transferred?

What does a numerical subscript following an element in a chemical formula mean?