Answer: 19kpa
Explanation:
The total pressure of a mixture of gases is the sum of the partial pressure exacted by the individual gases.
P total = P X + P Y
From the question above:
P total = P .nitrogen + P. oxygen
123.5kpa = 104.5kpa + P. Oxygen
P. Oxygen = 123.5kpa - 104.5kpa
= 19kpa
Answer: (D) it is not spontaneous.
what is the following???
a qualitative observation is when somehthings appearance changes like form red to blue, and qualitative is when the umber of something changes.
Hope this helps
Kenny
Electron arrangements is the most important and then the number of neutrons and protons !!!!
H is the answer :)
Hope that helps