Assume that you take a flask, evacuate it to remove all the air, and find its mass to be 463.9g. you then fill the flask with argon to a pressure of 2.50 atm and reweigh it. what would the balance read (in grams) if the flask has a volume of 8.70l and the temperature is 18.5? c?

Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.

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

As air becomes more dense, (select all that apply) o. air weighs less o. gas molecules are closer together o. air is colder o. air weighs more o. gas molecules are further apart o. air is hotter