A sample of gas stored at STP has a volume of 3.56 L. The gas is heated to 400 k and has a pressure of 125 lap. What is the volume of the gas after it is heated

Which statement is true for light passing into a medium that is more optically dense than the first medium through which it past

Iron reacts with sulfur to form iron sulfide. if 60 grams of iron reacts with sulfur to produce 90 grams of iron sulfide, how much sulfur has been used in the chemical reaction?

Organelles are 1. responsible for producing power for the cell 2. tiny structures in the cell that carry out the cell's activities 3. responsible for digestion in the cell 4. found outside of the membrane