A solid mixture contains iconic salt x. and a covalent mixture y. two students suggest methods of separating as shown.

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?

If i initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a temperature of 200 k, and then i raise the pressure to 14 atm and increase the temperature to 300 k, what is the new volume of the gas?

How is an endothermic reaction identified