If it rains, then practice is cancelled that day.
It rains on Thursday. What can you conclude?

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)?

Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules

The empirical formula of a compound is ch2o and its mass is 120 amu/molecule, what is its formula?