6.3 gram of concentrated nitric acid is diluted by adding 68 gram of pure water . how many oxygen molecules are present in the solution​

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.

it has both hydrogen and oxygen