2 moles of propane reacts with 8 moles of oxygen in a combustion reaction. How many moles of carbon dioxide are formed? How much of the excess reactant is left over?

120,630,890

step-by-step explanation:

110+10=120,620+10=630,880+10=890

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

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