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4. In accordance with Hess's Law, manipulate the following equations and their AHn's to calculate AHn for the react...
Lab 16: Hess's Law His Low 's to calculate 4. In accordance with Hess's Law, manipulate...
Lab 16: Hess's Law His Low 's to calculate 4. In accordance with Hess's Law, manipulate the following equations and their AH AHan for the reaction HCIO4 + NH3-NH.CIO. HCIO4(aq) + LiOHaq) - LICIO4(aq) + H200 CH,COOH + NH3) -- NHACH,COO(aq) CH,COOH + LiOH) -- LICH,COO(+ H2010 AH = AHpx= 41 kJ/mol kJ/mol kJ/mol kJ/mol HClO4 (aq) + NHwag - NHẠC Ong AH
Lab 16: Hess's Law Hess's Law 4. In accordance with Hess's Law, manipulate the following equations...
Lab 16: Hess's Law Hess's Law 4. In accordance with Hess's Law, manipulate the following equations and their AHn's to calculate AHn for the reaction HCIO, + NH, NH CIO HCIOa)LiOHa) LiCIO4aH2Oo CH3COOHa+NH)NHCHcoOag) CHCOOHa+LiOH)LICH3CO0(a)+H2O AHpn= kJ/mol AHn kJ/mol AHpn kJ/mol НСО, +NHs NHCIO (ag) AHpn kJ/mol
Hess's Law (b) Given the following thermochemical data: 2HNO3(aq) +A920(s) - H2O(1) +2AgNO3(aq) AH = -44.8...
Hess's Law (b) Given the following thermochemical data: 2HNO3(aq) +A920(s) - H2O(1) +2AgNO3(aq) AH = -44.8 kJ Ag20(s) - 2Ag(s) + 1/2O2(9) AH = 31.0 kj H20(1) - H2(9)+1/202(9) AH = 285.8 kJ Use Hess's Law to determine AH for the reaction: Ag(s)+HNO3(aq) → 12H2(9)+AgNO3(aq) AH =
Pre-lab Questions for Experiment #11 Hess's Law with Computers 1) Using the following data, NaOH ()...
Pre-lab Questions for Experiment #11 Hess's Law with Computers 1) Using the following data, NaOH () - Na' (aq) + OH (aq) ΔΙΙ "-42.9 kJ/mol =-98.8 kJ/mol NaOHis).HUaq) + Cl.(aq)....-11:0(1) + Na. (ap-Craq) Calculate the heat of reaction, AH, for ΔΙΙ 2) Methane, the main constituent of natural gas, burns in oxygen to yield carbon dioxide and water: CH(g) + 2 02(g)CO(g) +2 H:00) Use the following information to calculate ΔΗ, in kilojoules for the combustion of methane CH(g) +...
a) Use Hess's law to calculate the enthalpy change for the reaction: 3C(s) + 4H2(g) +...
a) Use Hess's law to calculate the enthalpy change for the reaction: 3C(s) + 4H2(g) + ½O2(g) → C3H8O(l) Given the following thermochemical equations: 2C3H8O(l) + 9O2(g) → 6CO2(g) + 8H2O(l) ΔH = -4042.6 kJ/mol C(s) + O2(g) → CO2(g) ΔH = -393.51 kJ/mol H2(g) + ½O2(g) → H2O(l) ΔH = -285.83 kJ/mol (in kJ/mol) A: -267.7 B: -302.6 C: -341.9 D: -386.3 E: -436.5 F: -493.3 G: -557.4 H: -629.9 b) Define if the following statement is an endothermic process or exothermic...
Use Hess's law and the following data CH4(g) + 2O2(g) → CO2(g) + 2 H2O(g) AH°...
Use Hess's law and the following data CH4(g) + 2O2(g) → CO2(g) + 2 H2O(g) AH° = -802 kJ mol-1 CH4(8) + CO2(g) —> 2CO(g) + 2 H2(g) AFH° = +247 kJ mol-1 CH4(g) + H2O(g) –> CO(g) + 3H2(g) AFH° = +206 kJ mol-1 to determine A.Hº for the following reaction, an important source of hydrogen gas CH4(8) + +02(8) — CO(g) + 2 H2(8)
m this experiment, you will use Hess's Law to determine a heat of reaction that would...
m this experiment, you will use Hess's Law to determine a heat of reaction that would be difficult obtain by direct measurement -- the heat of combustion of magnesium ribbon. The reaction is represented by the equation: D (4) Mg(s) + 1/2O2(g) MgO(s) o bruno solo sbagol i 100) o motorolyobog a n This equation can be obtained by combining, in some way, equations (1), (2), and (3) ob o temo bodo (1) MgO(s) + 2HCl aq) MgCl2(aq) + H2O(1)...
NAME INSTRUCTOR DATE SECTION GROUP POST-LABORATORY QUESTIONS THERMOCHEMISTRY: ACID-BASE NEUTRALIZATION 1. Use Hess's Law and the...
NAME INSTRUCTOR DATE SECTION GROUP POST-LABORATORY QUESTIONS THERMOCHEMISTRY: ACID-BASE NEUTRALIZATION 1. Use Hess's Law and the class enthalpy values for the reactions of NaOH-HC and NH, HCl to calculate the enthalpy of neutralization of ammonium chloride and hydrochloric acid. You may need to reverse or multiply the chemical equations from Table 7.2 and 7.3 to get them to add up correctly: Experiment Chemical reaction (Refer to the reactions that you wrote in prelab question 3). Class enthalpy value (kJ/mol 7.2...
Honors Chemistry Name Period Date Thermochemical Equations and Hess's Law Directions: Answer the following questions in...
Honors Chemistry Name Period Date Thermochemical Equations and Hess's Law Directions: Answer the following questions in the space provided. 1. The combustion of ethylene, CHs is (a) Is this reaction endothermic or exothermic? (b) Calculate the AH when 12.44 grams of ethylene react with excess oxygen gas. 2. The value of AH for the reaction below is-790.0 k. 25 (s) + 302 (8) 2503(8) (a) Calculate the AH when 1.78 x 10 grams of sulfur react with excess oxygen gas....
THERM OCHEMISTRY I1: HESS'S LAW OF CONSTANT HEAT SUMMATION ADVANCED PROBLEM ASSIGNMENT Dare Section Name REA...
THERM OCHEMISTRY I1: HESS'S LAW OF CONSTANT HEAT SUMMATION ADVANCED PROBLEM ASSIGNMENT Dare Section Name READ THE EXPERIMENTAL DISCUSSION FIRST SHOW CALCULATION SET-UPI SIGNS! SIGNIFICANT FIGUREESi The 1.00 M solutions of HNO, and NaOH used in this experiment are prepared by diluting 6.00 M stock solutions. 1 What volume of 6.00 M stock solurion and whar volume of water is required to prepare 50.0 mL of 1.0 M solution? mL H.O mL 6.00 M Stock Solution How many moles of...
Lab 16: Hess's Law His Low 's to calculate 4. In accordance with Hess's Law, manipulate the following equations and their AH AHan for the reaction HCIO4 + NH3-NH.CIO. HCIO4(aq) + LiOHaq) - LICIO4(aq) + H200 CH,COOH + NH3) -- NHACH,COO(aq) CH,COOH + LiOH) -- LICH,COO(+ H2010 AH = AHpx= 41 kJ/mol kJ/mol kJ/mol kJ/mol HClO4 (aq) + NHwag - NHẠC Ong AH
Lab 16: Hess's Law Hess's Law 4. In accordance with Hess's Law, manipulate the following equations and their AHn's to calculate AHn for the reaction HCIO, + NH, NH CIO HCIOa)LiOHa) LiCIO4aH2Oo CH3COOHa+NH)NHCHcoOag) CHCOOHa+LiOH)LICH3CO0(a)+H2O AHpn= kJ/mol AHn kJ/mol AHpn kJ/mol НСО, +NHs NHCIO (ag) AHpn kJ/mol
Hess's Law (b) Given the following thermochemical data: 2HNO3(aq) +A920(s) - H2O(1) +2AgNO3(aq) AH = -44.8 kJ Ag20(s) - 2Ag(s) + 1/2O2(9) AH = 31.0 kj H20(1) - H2(9)+1/202(9) AH = 285.8 kJ Use Hess's Law to determine AH for the reaction: Ag(s)+HNO3(aq) → 12H2(9)+AgNO3(aq) AH =
Pre-lab Questions for Experiment #11 Hess's Law with Computers 1) Using the following data, NaOH () - Na' (aq) + OH (aq) ΔΙΙ "-42.9 kJ/mol =-98.8 kJ/mol NaOHis).HUaq) + Cl.(aq)....-11:0(1) + Na. (ap-Craq) Calculate the heat of reaction, AH, for ΔΙΙ 2) Methane, the main constituent of natural gas, burns in oxygen to yield carbon dioxide and water: CH(g) + 2 02(g)CO(g) +2 H:00) Use the following information to calculate ΔΗ, in kilojoules for the combustion of methane CH(g) +...
Use Hess's law and the following data CH4(g) + 2O2(g) → CO2(g) + 2 H2O(g) AH° = -802 kJ mol-1 CH4(8) + CO2(g) —> 2CO(g) + 2 H2(g) AFH° = +247 kJ mol-1 CH4(g) + H2O(g) –> CO(g) + 3H2(g) AFH° = +206 kJ mol-1 to determine A.Hº for the following reaction, an important source of hydrogen gas CH4(8) + +02(8) — CO(g) + 2 H2(8)
m this experiment, you will use Hess's Law to determine a heat of reaction that would be difficult obtain by direct measurement -- the heat of combustion of magnesium ribbon. The reaction is represented by the equation: D (4) Mg(s) + 1/2O2(g) MgO(s) o bruno solo sbagol i 100) o motorolyobog a n This equation can be obtained by combining, in some way, equations (1), (2), and (3) ob o temo bodo (1) MgO(s) + 2HCl aq) MgCl2(aq) + H2O(1)...
NAME INSTRUCTOR DATE SECTION GROUP POST-LABORATORY QUESTIONS THERMOCHEMISTRY: ACID-BASE NEUTRALIZATION 1. Use Hess's Law and the class enthalpy values for the reactions of NaOH-HC and NH, HCl to calculate the enthalpy of neutralization of ammonium chloride and hydrochloric acid. You may need to reverse or multiply the chemical equations from Table 7.2 and 7.3 to get them to add up correctly: Experiment Chemical reaction (Refer to the reactions that you wrote in prelab question 3). Class enthalpy value (kJ/mol 7.2...
Honors Chemistry Name Period Date Thermochemical Equations and Hess's Law Directions: Answer the following questions in the space provided. 1. The combustion of ethylene, CHs is (a) Is this reaction endothermic or exothermic? (b) Calculate the AH when 12.44 grams of ethylene react with excess oxygen gas. 2. The value of AH for the reaction below is-790.0 k. 25 (s) + 302 (8) 2503(8) (a) Calculate the AH when 1.78 x 10 grams of sulfur react with excess oxygen gas....
THERM OCHEMISTRY I1: HESS'S LAW OF CONSTANT HEAT SUMMATION ADVANCED PROBLEM ASSIGNMENT Dare Section Name READ THE EXPERIMENTAL DISCUSSION FIRST SHOW CALCULATION SET-UPI SIGNS! SIGNIFICANT FIGUREESi The 1.00 M solutions of HNO, and NaOH used in this experiment are prepared by diluting 6.00 M stock solutions. 1 What volume of 6.00 M stock solurion and whar volume of water is required to prepare 50.0 mL of 1.0 M solution? mL H.O mL 6.00 M Stock Solution How many moles of...
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