Why the caffiene free coke can sinks while the zero sugar coke can and diet coke can floats on water?

What is the percentage of hydrogen in nitrogen trihydride

Which of the following are correct values for the ideal gas laws constant r

The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.