In most solution the solute is a solid and the solvent is liquid. This is not always true Give five different examples of solution where this is not true.
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Classify each statement about effective nuclear charge, zeff, as true or false.

What does the cell nucleus do or, how does it function?

Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.