2. Balance each of the following chemical equations. a.
Sn02
+
H2
Sn
+
H2O

If the particles in a sample of matter have an orderly arrangement and move only in place, the sample is a

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?

According to le chatelier’s principle, a system in chemical equilibrium responds to stress by shifting the equilibrium in a direction that reduces the stress. normalizes the stress. increases the stress. changes the stress.