the Exercises on Thermochemical Equations Objective: Perform calculations involving thermochemical equations Estimated Time Frame: 20 minutes Procedure Calculate the standard enthalpies of the following reactions from the standard molar enthalpies and paper А. of formation of the reactants and products. Write your solutions in a separate sheet of submit it to your teacher. Identify if the reaction is endothermic or exothermic. Endothermic or Exothermic? 1. 2NH, (g) + 3N,Olg) → 4N,(g) + 3H,O(1) AH 2. CaCO,(s) → CaO(s) + CO,(g) AHn 3. Clgraphite) + 0,(g) CO,(g) В. Hess's Law. Identify if the reaction is endothermic or exothermic. reaction between chlorine fluoride and fluorine CIF(g) + F,lg) Chlorine trifluoride is a colorless, poisonous, and corrosive gas. It is produced from the gas. CIF,(g) Determine the AH° for the overall reaction based on the three-step thermochemical processes below: (1) 2CIF(g) + Olg) Cl,Olg) + F,Olg) AH=167.5 kJ (2) 2CIF,lg) + 2O,(g) Cl,Olg) + 3F,0 (g) 2Flg) + Olg) AH=341.4 kJ (3) 2F,O(g) AH= 43.4 kJ
the Exercises on Thermochemical Equations Objective: Perform calculations involving thermochemical equations Estimated Time Frame: 20 minutes Procedure Calculate the standard enthalpies of the following reactions from the standard molar enthalpies and paper А. of formation of the reactants and products. Write your solutions in a separate sheet of submit it to your teacher. Identify if the reaction is endothermic or exothermic. Endothermic or Exothermic? 1. 2NH, (g) + 3N,Olg) → 4N,(g) + 3H,O(1) AH 2. CaCO,(s) → CaO(s) + CO,(g) AHn 3. Clgraphite) + 0,(g) CO,(g) В. Hess's Law. Identify if the reaction is endothermic or exothermic. reaction between chlorine fluoride and fluorine CIF(g) + F,lg) Chlorine trifluoride is a colorless, poisonous, and corrosive gas. It is produced from the gas. CIF,(g) Determine the AH° for the overall reaction based on the three-step thermochemical processes below: (1) 2CIF(g) + Olg) Cl,Olg) + F,Olg) AH=167.5 kJ (2) 2CIF,lg) + 2O,(g) Cl,Olg) + 3F,0 (g) 2Flg) + Olg) AH=341.4 kJ (3) 2F,O(g) AH= 43.4 kJ
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Before answering it please see the first photo and your gonna base from the (table 3-2)Answer it with complete solutions (A-B) only thank you
![the
Exercises on Thermochemical Equations
Objective: Perform calculations involving thermochemical equations
Estimated Time Frame: 20 minutes
Procedure
Calculate the standard enthalpies of the following reactions from the standard molar enthalpies
and
раper
А.
of formation of the reactants and products. Write your solutions in a separate sheet of
submit it to your teacher. Identify if the reaction is endothermic or exothermic.
Endothermic
or Exothermic?
4N, (g) + 3H,O(1) AHm
1. 2NH,(g) + 3N,Olg)
2. CaCO,(s) → CaO(s) + CO,(g)
3. Clgraphite) + 0,(g) CO,(g)
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) + F,lg)
CIF,(g)
Determine the AH° for the overall reaction based on the three-step thermochemical processes
below:
(1) 2CIF(g) + Olg)
Cl,0lg) + F,Olg)
AH=167.5 kJ
(2) 2CIF,lg) + 2O,(g) Cl,0lg) + 3F,0 (g)
2F(g) + Olg)
AH=341.4 kJ
(3) 2F,O(g)
AH= 43.4 kJ](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffe21aba5-8617-4cb7-9795-aff663a3bf2d%2F1d3585f9-b622-49ad-b465-c87d61f95b57%2Fleq9d7_processed.jpeg&w=3840&q=75)
Transcribed Image Text:the
Exercises on Thermochemical Equations
Objective: Perform calculations involving thermochemical equations
Estimated Time Frame: 20 minutes
Procedure
Calculate the standard enthalpies of the following reactions from the standard molar enthalpies
and
раper
А.
of formation of the reactants and products. Write your solutions in a separate sheet of
submit it to your teacher. Identify if the reaction is endothermic or exothermic.
Endothermic
or Exothermic?
4N, (g) + 3H,O(1) AHm
1. 2NH,(g) + 3N,Olg)
2. CaCO,(s) → CaO(s) + CO,(g)
3. Clgraphite) + 0,(g) CO,(g)
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) + F,lg)
CIF,(g)
Determine the AH° for the overall reaction based on the three-step thermochemical processes
below:
(1) 2CIF(g) + Olg)
Cl,0lg) + F,Olg)
AH=167.5 kJ
(2) 2CIF,lg) + 2O,(g) Cl,0lg) + 3F,0 (g)
2F(g) + Olg)
AH=341.4 kJ
(3) 2F,O(g)
AH= 43.4 kJ
![Table 3-2
AHo of Some Common Substances
Substance
AH? (kJ/mol)
Substance
AH? (kJ/mol)
C (graphite)
H,O()
-285.8
COlg)
-110.5
Nalg)
CO.lg)
-393.5
NaCl(s)
-411.2
CH,OH(I)
-277.7
NH,(g)
-46.3
CaCO3(s)
-1206.9
NOlg)
90.29
CaO(s)
-635.6
NOzlg)
33.85
Fe,Og(s)
-824.2
N,Olg)
81.56
H,O(g)
-241.8
O,lg)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffe21aba5-8617-4cb7-9795-aff663a3bf2d%2F1d3585f9-b622-49ad-b465-c87d61f95b57%2Fjzrpqn_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Table 3-2
AHo of Some Common Substances
Substance
AH? (kJ/mol)
Substance
AH? (kJ/mol)
C (graphite)
H,O()
-285.8
COlg)
-110.5
Nalg)
CO.lg)
-393.5
NaCl(s)
-411.2
CH,OH(I)
-277.7
NH,(g)
-46.3
CaCO3(s)
-1206.9
NOlg)
90.29
CaO(s)
-635.6
NOzlg)
33.85
Fe,Og(s)
-824.2
N,Olg)
81.56
H,O(g)
-241.8
O,lg)
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