1. How many molecules of CH, are present in 3.48 moles?

Why did southern business leaders want to increase the number of slaves

What is the molar mass of a gas that has density of 2.054 g/l

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?