3. Hess's Law. Identify if the reaction is endothermic or exothermic. Chlorine trifluoride is a colorless, poisonous, and corrosive gas. It is produced from the reaction between chlorine fluoride and fluorine gas. CIF(g) + Flg) → CIF,lg) Determine the AH° for the overall reaction based on the three-step thermochemical processes below: Cl,0lg) + F,O(g) Cl,0lg) + 3F,0 (g) (1) 2CIF(g) + Oalg) AH=167.5 kJ (2) 2CIF3(g) + 20;(g) AH=341.4 kJ (3) 2F,0(g) 2F,(g) + Olg) AH= 43.4 kJ
3. Hess's Law. Identify if the reaction is endothermic or exothermic. Chlorine trifluoride is a colorless, poisonous, and corrosive gas. It is produced from the reaction between chlorine fluoride and fluorine gas. CIF(g) + Flg) → CIF,lg) Determine the AH° for the overall reaction based on the three-step thermochemical processes below: Cl,0lg) + F,O(g) Cl,0lg) + 3F,0 (g) (1) 2CIF(g) + Oalg) AH=167.5 kJ (2) 2CIF3(g) + 20;(g) AH=341.4 kJ (3) 2F,0(g) 2F,(g) + Olg) AH= 43.4 kJ
Chemistry: Matter and Change
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Exergonic Reaction
The term exergonic is derived from the Greek word in which ‘ergon’ means work and exergonic means ‘work outside’. Exergonic reactions releases work energy. Exergonic reactions are different from exothermic reactions, the one that releases only heat energy during the course of the reaction. So, exothermic reaction is one type of exergonic reaction. Exergonic reaction releases work energy in different forms like heat, light or sound. For example, a glow stick releases light making that an exergonic reaction and not an exothermic reaction since no heat is released. Even endothermic reactions at very high temperature are exergonic.
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Complete solutions for Letter B only thanks,please when you pic your solutions I suggest that It’s not blur thank
Transcribed Image Text:Calculate the standard enthalpies of the following reactions from the standard molar enthalpies
of formation of the reactants and products. VWrite your solutions in a separate sheet of paper and
submit it to your teacher. Identify if the reaction is endothermic or exothermic.
А.
Endothermic
or Exothermic?
1. 2NH,(g) + 3N,0(g)
4N,(g) + 3H,0(1)
rxn
2. CaCO,(s)
3. Clgraphite) + O,(g) → CO,(g)
CaO(s) + CO,(g)
AH
rxn
AH
rxn
Hess's Law. Identify if the reaction is endothermic or exothermic.
Chlorine trifluoride is a colorless, poisonous, and corrosive gas. It is produced from the
reaction between chlorine fluoride and fluorine gas.
В.
CIF(g) + Flg) → CIF;(g)
Determine the AH° for the overall reaction based on the three-step thermochemical
below:
processes
(1) 2CIF(g) + Ozlg)
Cl,Olg) + F,0(g)
AH=167.5 kJ
(2) 2CIF(g) + 20;lg)
C,0lg) + 3F,0 (g)
AH=341.4 kJ
AH= 43.4 kJ
(3) 2F,0(g) 2F,(g) + Olg)
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