In the reaction 4 Fe + 3 O2 → 2 Fe2O3, how many grams of O2 are needed to produce 36.8 g of Fe2O3 (159.7 g/mol)?

Choose all that apply. when creating a graph, you should: determine the x- and y- variables label the scale on the x- and y- axes plot the data points draw a line of best fit to represent the data trend

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3

Which of the following natural processes is most likely to support the formation of an underwater sinkhole? a pollution buildup from deposited minerals b limestone cave collapsing due to changes in sea level c erosion of large amounts of sand moved by ocean waves d oxidation of rock formed by chemical weathering