A rocket accelerates from 0 to 20 km/s. five seconds after reaching 20 km/s. the
rocket is travelling a 280 kmls. What
is the overage acceleration of the rocket
Initial speed:
final speed:
total time:

Why is an elements atomic mass not listed as a whole number on the periodic table

If i initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a temperature of 200 k, and then i raise the pressure to 14 atm and increase the temperature to 300 k, what is the new volume of the gas?

The rate constant for the reaction below is 6.2 x 10−5 mol l−1 s −1. if the initial concentration of a is 0.0500 m, what is its concentration after 115 s?