How many moles are 6.022 (10^23) atoms of sodium

A rigid cylinder with a movable piston contains a sample of hydrogen gas. At 330. K, this sample has a pressure of 150. kPa and a volume of 3.50 L. What is the volume of this sample at STP?

Which of these solutions will be the best conductor of electricity? Solution A Solution B Solution C

If a 40 kg person is accelerating at m/s^2, then the magnitude of force acting on him or her 400 N? true or false

You are building model cars. Each car has four tires, two doors, and body. If you have 16 tires, 10 doors and 7 car bodies, how many model cars can you build? What is left over after you have built all of the cars?

Why is Copper (II) Oxide "CuO" instead of "Cu2O"

Which statements describe the principles of the Big Bang theory

Is ice cream a mechanical mixture or solution why?

Which term is used to describe the attraction that an oxygen atom has for the electrons in a chemical bond?

Suppose you wanted to dissolve 109 g of sodium carbonate in enough water to make 6.00 L of solution. What is the molarity of this solution?

0.0055 in scientific notation