If it take 20 second for 200cm3 of H25 to diffuse through a porovs pot, hours, long will it take 400cm3 of NH3 of diffuse under the same condition

Which of the following is not a concentration unit (a) 1 molar (b) 1 equivalent (c) 1% by mass (d) 1 molal

How have chemists affected our world for good? A. Chemists have caused many problems that our present society must face. B. Chemists have given us the atomic theory and the scientific method. C. Chemists have learned how dangerous chemicals can be D.

Identify each example on the diagram as a carbon source or a carbon sink

What is 7.808 g/mL * 4.6 mL

How do we know that K2CrO4 and Ba (NO3) 2 are not solids?

Nitrogen dioxide (NO2) gas and liquid water (H2O) react to form aqueous nitric acid (HNO3) and nitrogen monoxide (NO) gas. Suppose you have 5.0 mol of NO2 and 11.0 mol of H2O in a reactor. Suppose as much as possible of the NO2 reacts.

How long does it take the Earth to rotation and revive

What is Charles' law formula?

Which stars have the highest absolute brightness? Select one: a. Supergiants b. Giants c. Yellow stars d. Dwarfs

What volume would 3.01•1023 molecules of oxygen gas occupy at STP?