A gas bottle contains 0.650mol of gas at a volume of 3L. If the final volume is 2.3 L, how many moles of gas escaped the bottle?

Concerning the 10.0 ml of 0.50 m nacl to 100 ml of solution: when a solution is diluted, does it change the number of moles dissolved?

At a temperature of 393 k, the temperature of a sample of nitrogen is 1.07 atm what will the pressure be at a temperature of 478 k

This drawing shows a human body system. what is the primary function of this body system?