What is the theoretical yield of sodium chloride (in gram) from reaction of 12.1 g of sodium carbonate with excess HCl(aq)? Na 22.99 C 12.01 H 1.008 O 16.00 CI 35.45

If you want to create an electrical current, which situation would produce a solution capable of this

Several kinds of bears are found on earth. most bears are brown or black, but one type of bear, the polar bear, is white. what process led to this difference in fur color? explain your answer.

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?