2. an engineer measures the initial depth of liquid in a reactor vessel as 3.29 m and the
final depth as 1.0487 m. what is the difference in depth?

Acylinder is filled with 2.00 moles of nitrogen, 3.00 moles of argon and 5.00 moles of helium. if the gas mixture is at stp, what is the partial pressure of the argon

In this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced?

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here