A Cube of steel has dimensions 0.2m x 0.2 m x 0.2 m what is the volume of the cube in cubic centimeters

If i initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a temperature of 200 k, and then i raise the pressure to 14 atm and increase the temperature to 300 k, what is the new volume of the gas?

What will most likely happen when two bromine atoms bond together?

Ineed ! i have no clue how to do this problem.