Liquids have fixed volume but not fixed shape, so B.
It will also be halved... but the relationship is with Kelvin not c. So 273 +273 = 546 K. half of that is 273 K, then subtract 273... you get 0 degrees c
It seems like the answer is C, you really just need to use the process of elimination.
One mole of hydrogen peroxide contains 6.02 x 10^23 molecules of hydrogen peroxide. And each molecule contains 4 atoms, so the answer is 4 x 6.02 x 10^23.
Answer:
I would say A and D if you can pick two answers. if not then pick D
