Determine the enthalpy for the reaction A+B --> C If we know the following: A+E --> C+D; delta H = -200 kJ
D+B --> E; delta H = -100 kJ

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?

Estimate the molar mass of the gas that effuses at 1.6 times the effusion rate of carbon dioxide.

Most metamorphosis processes take place