The water found on Earth is almost entirely made up of the 1H1H and 16O16O isotopes for a formula of H2OH2O and a molecular mass of 18.0 amuamu. What is the largest mass that a water molecule could have using other isotopes

there are two significant figures.

d

explanation:

a). in this case, dh> 0 and sd> 0. if t becomes larger, the term "-tds" will become more negative. at some point, it is possible that -dts will be more negative than the dh is positive, and the reaction will become spontaneous. this is probably the correct answer, but you should look at all of the other possibilities and make sure of that.

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