How many moles of aluminum burned if 200.0 grams of aluminum oxide formed?

Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what

Geothermal energy for industrial use is available almost anywhere. a.true b.false

If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?