What is the new volume if 3.25 ml of gas has a pressure changed from 85.0 kPa to STP.

Calculate the number of molecules present in 0.750 mol of mgo.

In an exothermic reaction the bonding energy of the product is: less than the reactants same as the reactants greater than the reactants dependent upon the presence of a catalyst

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?