Answer:
el volumen es igual a masa decidida por densidad
Educated Guess Here!
Since Br-80 does not exist, maybe that means Br-79 or Br-81 have very unequal abundances. For example, Br-79 may have 75% abundance whereas Br-81 may have 25% abundance.
Answer:
Mass of gold bar is 15.8 kg
Explanation:
The gold metal bar displaces volume of water equal to volume of metal bar.
So, volume of gold metal bar = 0.82 L

We know that density is the ratio of mass to volume.
So mass of gold bar = (density of gold)
(volume of gold bar) = (
)g =15826 g
Now, 1 g = 0.001 kg
So mass of gold bar = (
) kg = 15.8 kg
Entropy describes the randomness of molecules.