What would a chemist most likely study about a car? 1- The amount of rotations of the wheel that occur in 1 mile. 2- The reaction of gasoline combustion in the engine. 3- The accuracy of the speedometer. 4- The strength of the car frame.

B: the reaction of gasoline combustion in the engine

Explanation:

I just took the quiz

a corroding iron, if that's one of your choices

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.