Chromatography can be used to separate the different colored compounds in a sample of ink. this means that the different colored
compounds in the ink must have

Which of these would be caused by a chemical change? a) the formation of lava. b) sedimantary rock layering over time. c) metamorphic rock forming from igneous. d) metamorphic rock eroding to form sedimentary rock.

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3 -> a2cr(no3)3 + a3ag2so4

If 90.0 grams of ethane reacted with excess chlorine,how many grams of dicarbon hexachloride would form