Tricarbon octahydride is stored in large metal cylinders; each cylinder can hold 145 grams of the molecule. How many moles of tricarbon octahydride can fit inside one of these cylinders PLEASE I NEED IT ASAP!! I’M DOING A MID-TERM EXAM

Idon’t know how to solve this question

If the density of water is 1.0 g/cm3, which of these materials would float in water, based on their densities? check all that apply. aluminum cork iron lead wax

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