A ball is dropped from the top of a building. When does the ball have the most kinetic energy? A. as it is released B. after it has hit the ground C. half way through the fall D. just before it hits the ground

Which statement describes covalent bases? they have hydroxide ions. they produce hydrogen ions. they are often amines. they are named the same as ionic compounds.

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.

How much heat is added if 0.814g of water increase in temperature by 0.351 degree c?