9. Given the following grilled cheese recipe, how many total complete grilled cheese sandwiches can be made if you have 20 slices of bread and 20 slices of cheese in your kitchen?
1 slice of cheese + 2 slices bread + 1 grilled cheese
a. 10 grilled cheeses
b. 20 grilled cheeses
C. 40 grilled cheeses
d. 80 grilled cheeses
e. None of the above.

How many liters of hydrogen gas will be produced at stp from the reaction of 7.179×10^23 atoms of magnesium with 54.219g of phosphoric acid (h3po4) the equation is 3mg + 2h3(> mg(po4)2+3h2

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

From the options provided for each element below, choose the properties that it may have based on its location in the periodic table fluorine (f): highly reactive nonmetal shiny a conductor