B. When Roemer used the eclipsed moons of Jupiter along with Earth's orbit around the Sun to compare different speeds over time.
Answer:
7.94 x 10^6 mol
Explanation:
PV=nRT
n=(PV)/(RT)
n=(1.10*12.0)/(8314*200)
n=7.94 x 10^6 mol
Compound B and D
Both are good conductors of electricity.
im not sure
