two separate bulbs contain ideal gases A and B the density of A is twice as that of gas B if two gases are at same temperature the ration of the pressure of A to that of B is

In apex! a liquid heated beyond a certain temperature becomes

How might this scientific phenomena be explained? a paper clip floats on water.

Iron (fe) reacts with copper sulfate (cuso4) to form iron (ii) sulfate. in this reaction, cu2+ gains electrons to form cu. which statement is true about this reaction? fe(s) + cuso4(aq) → feso4(aq) + cu(s)