One way is, we as humans find seminary attractive because it indicates the person has good genes.
The gas is disposed proportional to the temperature to pressure of the particles
How are you going to get whole number when the answer is in decimals? Do you want to round them or in fractions?
A swamp. There are frogs, snakes, alligators, etc... and on behalf of the non living things in my ecosystem consist of leaves, lily pads and moss.
N(Na₂SO₄)=3 mol
n(O)=4n(Na₂SO₄)
n(O)=4*3=12 mol