Which process is an example of a chemical change? drying clothes in the dryer heating a cup of tea chopping a tree activating a glow stick

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.

What happens to the atomic radius when an elctron is lost

Hey guys so i need to know what is _nh3+> nh4oh ~chemistry~