Calculate the number of molecules of NO2 in 0.25 mol of NO2 . Please show your work to receive credit.

In a chemical reaction at equilibrium, the rate of the forward reaction the rate of the reverse reaction. if the rate of the forward reaction more products are formed.

Which is an example of the practical pursuit of alchemy? a. forming perfect substances. b. transforming base metals. c. developing metalworking techniques. d. linking spiritual characteristics with material substances.

How might this scientific phenomena be explained? a paper clip floats on water.