12 find the molecular formula for each of the following compounds from the
empirical formula and the relative molecular mass.
compound empirical formula m. molecular formula
cf2
c2h4o
ch3
ch
ch2
ch3o
ch2c1
c2hno2

Which statement best describes the flow of energy in this scenario

How will the volume of a gas be affected if the pressure is tripled, but the temperature remains the same?

When the ionic compound nabr dissolves in water, br– ions are pulled into solution by the attraction between what two particles? a. the na+ and br– ions b. the na+ ion and the negative end of a water molecule c. the br– ion and the positive end of a water molecule d. the br– ion and the negative end of a water molecule