4.
when 31.6 g mnxoy is heated with carbon then 13.2 g of co2 gas is produced then the formula
of mnxoyis
(a) mno
(b) mno2
(c) mn2o3
(d) mn2o5

answer; i believe that the correct answer is (a) potassium(k)

b.false that your answer

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.