A sample of gas at 25.0°C has a volume of 9.00 L and exerts a pressure of 740, mm Hg. How many moles of gas are in the sample?

In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit

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?

Stage in which a typical star has completely stopped fusion