What volume does 0.067 moles of He gas occupy at STP?

5. how can you decrease the pressure of a gas in a container without changing the volume of the gas?

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.

Use the periodic table to determine how many grams of oxygen would be required to react completely with 859.0 g c2h2