Zn 2hcl → zncl2 h2 how many moles of hydrogen are produced from the reaction of 2.5 moles of zinc

Using the periodic table, complete the table to describe each atom. type in your answers

How will the volume of a gas be affected if the pressure is tripled, but the temperature remains the same?

Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?