What information is not given by an overall equation for a chemical reaction?

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 is the percent by mass of oxygen in fe2o3

You have a liquid that exhibits diltancy. you want to pour it from a bottle. what should you do to the bottle before pouring