The diameter of a sphere is 4 centimeters. which represents the volume of the sphere? 321 cm 87 cm 541 cm167 cm

Harvey kept a balloon with a volume of 348 milliliters at 25.0˚c inside a freezer for a night.  when he took it out, its new volume was 322 milliliters, but its pressure was the same.  if the final temperature of the balloon is the same as the freezer’s, what is the temperature of the freezer? the temperature of the freezer is  kelvins.

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.

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.