Determine the empirical formula of hydrate of zinc sulfate (ZnSO4.nH2O) Through your calculation, you will determine n which is the ratio between the number of moles of water to the number of moles of ZnSO4 (which is 1) in the formula [n = mole H2O/mole ZnSO4].

Why does the sun appear to be the brightest star in the sky? a- its apparent brightness is much greater than other stars. b- it burns more gas, making it brighter than any other star. c- it is the largest star in the galaxy, so it is the brightest star. d- its relative distance to earth is closer than the other stars.

What is the main reason why some developing countries fear the increase the free trade policies around the world?

8) warming your hands by a fire is an example if which heat transfer? a. conduction b. convection c. radiation d. none of these