How many molecules are in 4.0 mol h20

175 mL of Cl2 gas is held in a flexible vessel at STP. If the vessel is transported to the bottom of the impact basin Hellas Planitia on the surface of Mars where the pressure is 1.

What is the most effective alkaline or acidic?

Identify the process in which the entropy increases. Identify the process in which the entropy increases.

Calculate the sum of 6.078 g and 0.3329 g

More than 70% of all legislation passed in Washington, DC addresses issues related to science; most of these issues pertain chemistry. True or False

Which are the organs of the digestive system

For the separation of the unknown mixture, you are instructed to isolate the amine followed by the acid and finally the neutral. Does the order matter? If not, what other orders could be followed?

As ice melts and changes from solid to liquid, A) entropy increases. B) kinetic energy decreases. C) an exothermic reaction occurs. D) the random movement of molecules remains constant.

What volume of 0.480 m koh is needed to react completely with 15.8 ml of 0.150 m h2so4? assume the reaction goes to completion?

Which sample of water contains particles having the highest average kinetic energy?