Which of the following claims may be made based on your observations? (You will recieve negative points for wrong answers.)

(A) If the chloro complex is a product, then the reaction must be exothermic.
(B) The chloro complex is favored by cooling.
(C) The chloro cobalt complex is pink and the aqua cobalt complex is blue.
(D) If the chloro complex is a product, then the reaction must be endothermic.
(E) The chloro complex is favored by heating.
(F) The chloro cobalt complex is blue and the aqua cobalt complex is pink.

D, E and F

Explanation:

About tetrachloro cobalt complexes, the following facts have been observed  

About hexa aqua cobalt complexes, the following facts have been observed  

Based on above, the correct statements are:

The correct is chloro cobalt complex is blue and aqua cobalt  

complex is pink.  

The chloro complex is favored by heating.

If the chloro complex is a product, then the reaction must be endothermic.

The correct options are D, E and F.

answer

fusion: the energy source of stars. the energy released from the collapse of the gas into a protostar causes the center of the protostar to become extremely hot. when the core is hot enough, nuclear fusion commences. fusion is the process where two hydrogen atoms combine to form a helium atom, releasing energy.

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