You need to calculate the enthalpy change (AH) of the reaction A+B → C. How can the enthalpies given for the reaction steps below be combined to
give the overall change in enthalpy?
2A + BD
C+
AD
ΔΗ,
AHZ

the increase of protons   hope this

the answer is d.) potassium

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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