If 8.7 moles of Al are reacted with excess Fe2O3 and 19.75 grams of Fe are formed, what is the percent yield of the reaction? 2Al(s)+ Fe2 O3 (s) = 2Fe(s) + Al2 O3(s)

About 70 percent of the earth's surface is water-covered, and about 96.5 percent of all earth's water is salt water. identify the watery feature on earth that is made of freshwater rather than salt water. a) bay b) glacier c) ocean d) sea it is not incomplete this is the true question

What material does not melt at any temperature

An object becomes electrically charged when: electrons are created in it electrons from it are destroyed electrons are transferred to it protons from it are destroyed protons are created in it