The end of a syringe is held shut while the plunger is pushed 2/3 of the way down the cylinder. What is the internal pressure of the cylinder as compared to the original pressure?

You are performing an experiment in a lab to attempt a new method of producing pure elements from compounds. the only problem is that you do not know what element will form. by your previous calculations you know that you will have 6.3 moles of product. when it is complete, you weigh it and determine you have 604.4 grams. what element have you produced?

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 many moles of na2s2o3 are needed to react with 0.12mol of cl2? show work.