Cho m (g) hh gồm Mg Fe vào 150g dd HCl 2,34 % sau phản ứng thu đc V lít H2 (đktc)
tính V

i think slash and

that's what i got you can count the number of atoms

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.