Answer:
127.28 mmHg
Explanation:
The molar fraction of oxygen in dry air at 760 mmHg is 20.9%. This molar fraction is not affected too much by the height, so it may be taken as a constant. The partial pressure of oxygen may be calculated as:

So, if the total pressure is 609 mmHg,
mmHg.
Answer:
Homogeneous mixture
Solution
Liquid-gas
Hope this helps, hope its not late.
Answer:
The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force,
Explanation:
Answer: explained below
Explanation:
Matter can change form through physical and chemical changes, but through any of these changes, matter is conserved. The same amount of matter exists before and after the change—none is created or destroyed.