A student who was asked to balance the reaction wrote the following: H2SO4(aq) + Na2OH(aq) -> Na2SO4(aq) + H3O(I) is this correct? explain why or why not using what you know about the law of conservation of mass and chemical changes. provide the correct balanced equation.

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?

Magnesium is the limiting reactant in this experiment. calculate the theoretical yield of mgo for each trial. trial 1: trial 2: data mass of empty crucible with lid trial 1: 26.688 trial 2: 26.681 mass of mg metal, crucible, and lid trial 1: 26.994 trial: 2 26.985 mass of mgo, crucible, and lid trial 1: 27.188 trial 2: 27.180

What causes the appearance of lines in a emission spectrum