Which of the following displacement reactions can occur?
)a) cuso4 +ag cu +agso4
)b) 2ba(no3)2 + zn 2ba + zn (no3)2
)c) 2agno3 + zn 2ag + zn(no3) 2
)d) mgso4 + zn znso4 + mg
)e) 2nano3 + zn 2na + zn(no3) 2

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?

What three things determine the shape and size of a puddle when water is poured out onto a surface

How many atoms are there in 5.70 mol of mg