2 H2 + O2 2 H2O
Use the above equation to solve for the following: (Show your work for the math.)
For 4.5 moles of H, how many moles of H, O will be produced?
Explain, in words how you got this answer. (2pts)

Which common material is an example of a polymer? (25 pts) a. steel b. plastic c. petroleum d. rubbing alcohol

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

In salt water solution,the salt is the blank