Answer:
When you have iodine gas at 200 degrees, the temperature and thus pressure as so high, that when cooling down you enter the liquid phase. And when some of this gas then condenses, the pressure drops. So the remaining part of the gas can sublime.
Step-by-step explanation:
The answer is A) left 3, up 2
1,680 divided by 400 = 4.2
So we know that Xian has done 4.2 laps.
4.2 divided by 14 = 0.3
0.3 x 100 = 30%
Therefore, Xian has finished 30% of the run
Answer: 13x
Step-by-step explanation: Multiply x to 11 and 2
11x+2x=13x
First you would subtract 30 from both sides
they divide each side by 5 to get -7
y =-7