How does knowing about the mole help you predict what will happen in a
reaction? Apply what you know about the mole to solve this problem: How
many grams of H 2 O will be produce in this reaction?
2H+O 2 → 2H 2 O

Can anyone help me on this /

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.

Aroller coaster car is traveling down a track at 22 m/s. the car has a mass of 2000 kg. what is the kinetic energy of the car? a) 22,000 j b) 968,000 j c) 484,000 j d) 44,000 j

In a copper wire, a temperature increase is the result of which of the following