Question

Which of the following statements concerning the reaction shown below are true?

AgBr (s) + ½ Cl2 (g) → AgCl (s) + ½ Br2 (l) ∆H = -27.6 kJ

I. heat is absorbed
II. heat is released
III. rxn is exothermic
IV. rxn is endothermic
V. products have higher enthalpy content than reactants
VI. reactants have higher enthalpy content than products

Answer 1

Hey @paki, do you know how to do this one?

Answer 2

These are the choices they give you

I, III, and V
II, III, and V
II, III, and VI
I and III

Answer 3

what about option C...

Answer 4

And I know it's either the 2nd or 3rd, but I don't know how to tell between V and VI

Answer 5

How do you tell if the products or reactants have a higher enthalpy than the other?