If 2087 kj of energy reaches a square meter of the united states in a hour, how much total solar energy reaches the united states per hour? the entire area of the united states is 9,158,960 km2

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?

Which sample at stp has the same number of atoms as 18 liters of ne at stp

Which of the following is a chemical property of water at 4 c