Which outcome can be determined using a chemical formula?
a) the substances that make up a solution.
b) the boiling point of a compound.
c) the ph of a solution
d) the elements that make up the compound.

Determine the number o moles of ions/atoms/particle in the following: 2.50 miles of k2s (let me know how to do)

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

Aconcentrated solution of ammonia is 14.8m and has a density of 0.899g/l. what is the concentration of ammonia in this solution in weight percent (%w/w)?