Which unit can be used to express solution concentration?
1)J/mol
2)L/mol
3)mol/L
4)mol/s

Naoki's bicycle has a mass of 10 kg. if naoki sits on her bicycle and starts pedaling with a force of 168 n, causing an acceleration of 2.8 m/s2, what is naoki's mass?

Drag each pressure unit with the corresponding number to describe standard atmospheric pressure

How many kmin (kilominutes) are there in 18 weeks and 5 days?