If you leave 750 mL of 0.50 M sodium chloride solution uncovered on a window sill and it evaporates so that only 390 mL is left, what will the new concentration of the sodium chloride solution be?

Write the overall equation for the reaction for lithium battery

In the cathode ray tube experiment, j. j. thomson passed an electric current through different gases inside a cathode ray tube in the presence of an electric field. in which two ways did this experiment change scientists’ understanding of the atom?

What will most likely happen when two bromine atoms bond together?