Hydrogen gas can be produced by reacting aluminum with sulfuric acid. How many grams of sulfuric acid are needed to completely react with
15.0 mol of aluminum?
Al(s) + H2SO4(aq) ® Al2(SO4)3(aq) + H2(g)

During which movies do spring tides new moon first quarter waxing gibbous waxing

How does a scientist the government? a. the scientist tells people in society what to do. b. the scientist determines the policies that the government spends money on. c. the scientist provides unbiased information to the government. d. the scientist makes laws based on his or her research results.

Rocks, as they are compressed, begin forming mountains above the earth's surface when two continental plates converge. the continental crust increases in depth as the mountains grow above. the himalayan mountains formed at a convergent plate boundary in this manner. the rocks are smashed together causing them to due to the intense heat and pressure from the colliding plates and eventually forming rock. a) melt; igneous b) layer; sedimentary c) recrystallize; metamorphic d) melt into the earth's interior; metamorphic