Please help asap! Giving brainliest to correct. At standard temperature and pressure, what is the volume of one mole of gas?

Select one:

a. 22.4 liters

b. 0.0821 liters

c. The same as the molar mass of the gas

d. The product of protons, neutrons, and electrons in the gas

According to the kinetic-molecular theory, what happens to a liquid when it is transferred from one container to another? the volume and the shape stay the same. the volume increases to fill the new container, but the shape stays the same. the volume stays the same, but the shape changes to fit the new container. the volume and the shape change to fill the new container.