Aplanet passes a point in its orbit on august 31, 1997. the next time it passes the same point in its orbit is september 24, 2081. about how long is a year for that planet?

How are positive ions different from neutral atoms

Two solutions of the same uv-absorbing molecule were analyzed by uv-vis spectroscopy on the same instrument using 1 cm pathlength cells. use data from the table to calculate by what percentage the concentration of solution b is compared to that of solution a.sample absorbance at 315nm a 0.45 b 0.80

If a car has a speed of 20 m/s, how long will it take to go 155 m? a. 3100 s b. 135 s c. 2.1 s d. 7.8 s