Please help me with my chemistry it would really help

Why did southern business leaders want to increase the number of slaves

How many moles of gas are present if p=11 atm, v=12l, t=185k?

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?