Help Beaker A has 2.06 moles of Copper.
Beaker B has 222 grams of Silver.

Which Beaker has more mass and which beaker contains more atoms?

In the reaction between a crushed antacid tablet and vinegar what gas is emitted

What happens to the average kinetic energy of a gas when the particles of the gas collide against each other at a constant temperature and volume? explain your answer.

In a heat of an engine, if 700 j enters the system, and the piston does 400 j of work what is the final internal (thermal) energy of the system if the initial energy is 1,500 j