Lila is a track and field athlete. She must complete four laps around a circular track. The track itself measures 400 meters fro
m start to finish and the race took her 6 minutes to complete. Which best describes her speed and velocity?
Her speed is 4.4 m/s, and her velocity is 0 m/s.
Her speed is 1.1 m/s, and her velocity is 0 m/s.
Her speed is 0 m/s, and her velocity is 2400 m/s.
Her speed is 4.4 m/s, and her velocity is 4.4 m/s.
Answer: 8 moles Explanation: Nc2H6= 4 mol 2C2H6 + 7O2 → 4CO2+6H2O CO2=4/2⋅4 NCO2= 8 moles ( I write this on paper so the letters and format might be confusing) sorry!!
