C4H12 is a hydrocarbon. How many moles of CO2 are produced during the combustion of 3.0 moles of this hydrocarbon? Assume excess Oxygen gas is available.​

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.

What does a complete balanced chemical equation include? a. exothermic coefficients b. endothermic coefficients c. valence electrons d. molar coefficients