A balloon is filled with 10 L of air at a pressure of 5 atm. What is the pressure of the balloon if the volume is
changed to 20 L?

There is no reason to think the results are biased or not conducted properly but you should not assume the results are correct just because they were done in a laboratory so the answer would be c. it is likely to be reliable because the results support the conclusion presented.

Ok so co(g) is not pronoused that. the only clue is that youpronouse it the oppisote way. 

The answer for this is a

Ans(15) minutes;