Consider the reaction 4FeS2 + 11O2 ? 2Fe2O3 + 8SO2. If 8 moles of FeS2 react with 15 moles of O2, what is the limiting reactant? A. FeS2
B. Fe2O3
C. O2
D. SO2

How do the energy differences between the higher energy levels of an atom compare with the energy difference between the lower energy level of the atom

Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural. question 2 reflects a moral or social value. question 3 refers to something that can be measured. question 4 reflects a question that can’t be observed.

How much carbon is stored in the atmosphere as co2