Carlos is using a precipitan test at a crime scene. When he applies the antiserum, a cloudy ring forms. What Can Carlos MOST likely conclude from this reaction

Fake and a real . . . . . ..

Answershower asap; wash for 15 min. take off all clothing.

The chlorine is the chemical property 

The internal energy of the system we can term it as total potential energy and kinetic energy. energy flows out of the surrounding from the system then we can say that the internal energy of the final state is lower than its initials. the sign of  δesystem is negative.δesystem = efinal - einitial=-ve  efinal  ∠einitial.