A sample of oxygen gas occupies 75 L at standard temperature and pressure. If the volume of the sample doubles, what is the new pressure of oxygen gas?

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?

Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.

The ammonia molecule in the diagram has the observed bond orientation because