How do surfactants work in stain removers?

(awarding brainliest)

Calculate the change in entropy if br2(l) is converted into gaseous br atoms. s° for br2(l) = 152.2 j/(mol•k) s° for br2(g) = 245.5 j/(mol•k) s° for br(g) = 175.0 j/(mol•k)

Which metal exist in liquid state and can be cut with knife ?

In a copper wire, a temperature increase is the result of which of the following