Determine AH. for each of the following problems.1. Find the standard molar enthalpy for the reaction C(s) + ½ O2(g) → CO(g)Given that:C(s) + O2(g) → CO2(g) AHo = -394 kJand CO2(g) –CO(g) + ½ O2(g) AHo = +283 kJ2. The standard enthalpy changes for the formation of aluminium oxide and iron (III) oxide are 2Al(s) + 3/2 O2(g)2 Fe(s) + 3/2 O2(g) → Fe2O3(s) AHo = -824 kJAl2O3(s) AHo = -1676 kJ

Since you have asked multiple questions, we will solve the first question for you. If you want any specific question to be solved then please specify the question number or post only that question.1) Calculate enthalpy of the given reaction--

Answered: 1. Find the standard molar enthalpy for…

Science

Chemistry

1. Find the standard molar enthalpy for the reaction C(s) + ½ O<(g) → CO(g) Given that: C(s) + O2(g) –→ CO2(g) AHo = -394 kJ and CO2(g) – → CO(g) + ½ O2(g) AHo = +283 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...

See similar textbooks

Similar questions

Calcium hydroxide is prepared by adding calcium oxide to water: CaO (s) + H2O (l) → Ca(OH)2 (s) Calculate the enthalpy change (ΔH) for this reaction considering the following experiment. A 10.0 g sample of CaO (s) {MM = 56.08 g/mol} is added to 1.00 liter of water in a calorimeter with a total heat capacity of 4.37 kJ K-1 and the temperature increases by 2.70 K.
Use the standard reaction enthalpies given below to determine Hᵒrxn for the following reaction: Given: 2 NO(g) + O2(g) → 2 NO2(g) N2(g) + O2(g) → 2 NO(g) 1/2N2(g) + O2(g) → NO2(g) -150. KJ -117 kJ -333 kJ +115 kJ +238 kJ AH°, rxn AHᵒr = ? rxn +183 kJ AH°rxn = +33 kJ
Use the data given below to find the enthalpy of reaction for the following reaction: CaCO3(s) → CaO(s) + CO2 (g) AH (kJ/mol) СаСОз (s) -1207 CaO(s) -635.5 CO2 (g) -393.5 -2236 kJ -178 kJ +178 kJ O -1449 kJ -2058 kJ
14. Calculate the standard enthalpy change for the reaction: 2Al(s) + Fe2O3(s) 2Fe(s) + Al2O3(s) given that: 2Al(s) + 3/202(g) → Al2O3(s) 2Fe(s) + 3/202(g) → Fe2O3(s) AH°x=-1675.7kJ/mol AH x =-824.2kJ/mol
4 CH3NH2 (g) + 2 H2O (l) ➝ CO2 (g) + 3 CH4 (g) + 4 NH3 (g) ΔHº = –138.96 kJ• Calculate the overall change in enthalpy when 30.00 grams of CH3NH2 (g) reacts with excess H2O (l). [Be sure to include the correct sign.]
A scientist measures the standard enthalpy change for the following reaction to be -737.2 kJ : 2Co(g) + 2 NO(g)2CO2(g) + N2(g) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of CO(g) is kJ/mol.
A chemist measures the enthalpy change AH during the following reaction: 2 KCl(s) + 302(g) →2 KClO3(s) AH=78. kJ Use this information to complete the table below. Round each of your answers to the nearest kJ. reaction ΔΗ ㅁ x10 2K C103 (s) → 2KC1(s) + 302(g) KCIO, (s)-KCI(s) + 0,(s) 3 KCI(s)+0, (g)KCIO, (s) kJ kJ 1 5
The balanced thermochemical equation for the combustion of exactly one mole of propane is: C3H8 (g) + 5 O2 (g) → 3 CO2 (g) + 4 H2O(l) ΔH = -2220 kJ/mol What is the enthalpy change for the reaction: 1.5 CO2 (g) + 2 H2O(l) → 0.5 C3H8 (g) + 2.5 O2 (g) ΔH = ?
（1）Consider the reaction: 2A (g) + 3 B (g) → 2 C (g) ΔHrxn = +254.3 kJ What will be the enthalpy change (in kJ) if 0.471 mol B reacts in excess A? （2）Consider the reaction: C (s) + O2 (g) → CO2 (g) ΔHrxn = -393.5 kJ What mass of carbon (in g) must be reacted via this mechanism to release 581.2 kJ of heat?
Consider the following balanced reaction: 2 H2S(g) + 3 O2(g) → 2 H2O(l) + 2 SO2(g) ΔHrxn = -1124.0 kJ Calculate the enthalpy of formation (in kJ/mol) for H2S(g). Given: The standard enthalpies of formations (ΔHof) of H2O(l) and SO2(g) are -285.8 kJ/mol and -296.8 kJ/mol, respectively. IMPORTANT: Enter both the sign and the value (no units), using 1 decimal place (e.g. -999.9) Consider the following balanced reaction: 2 H2S(g) + 3 O2(g) → 2 H2O(l) + 2 SO2(g) ΔHrxn = -1124.0 kJ Calculate the enthalpy of formation (in kJ/mol) for H2S(g). Given: The standard enthalpies of formations (ΔHof) of H2O(l) and SO2(g) are -285.8 kJ/mol and -296.8 kJ/mol, respectively. IMPORTANT: Enter both the sign and the value (no units), using 1 decimal place (e.g. -999.9)
Given the following reaction: 2NO (g) + O2 (g) → 2NO2 (g) ΔrH0 = - 114.1 kJ/mol Calculate the enthalpy change when 1.25 g of NO gas is converted completely converted to NO2 gas. Enter your answer to 2 decimal places.
A scientist measures the standard enthalpy change for the following reaction to be - 770.6 kJ: 2NO(g) + 2H₂(g) → N₂(g) + 2H₂O (1) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of H₂O(1) is kJ/mol. Substance AH (kJ/mol) NO(g) H₂(g) N₂ (9) 90.3 0.0 0.0