[References] The enthalpy change for the oxidation of indene, C9Hs, is measured by calorimetry. [Review Topics] Cg H8 () +11 O2(g) → 9 CO₂(g) + 4 H₂O(l) A,H=-4795.5 kJ/mol-rxn Use this value, along with the standard enthalpies of formation of CO₂(g) and H₂O(l), to calculate the enthalpy of formation of indene, in kJ/mol. AfH for CO₂(g) and H₂O(l) are -393.509 kJ/mol and -285.83 kJ/mol respectively. Enthalpy of formation = Submit Answer 9 more group attempts remaining kJ/mol Retry Entire Group

[References] The enthalpy change for the oxidation of indene, C9Hs, is measured by calorimetry. [Review Topics] Cg H8 () +11 O2(g) → 9 CO₂(g) + 4 H₂O(l) A,H=-4795.5 kJ/mol-rxn Use this value, along with the standard enthalpies of formation of CO₂(g) and H₂O(l), to calculate the enthalpy of formation of indene, in kJ/mol. AfH for CO₂(g) and H₂O(l) are -393.509 kJ/mol and -285.83 kJ/mol respectively. Enthalpy of formation = Submit Answer 9 more group attempts remaining kJ/mol Retry Entire Group

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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A scientist measures the standard enthalpy change for the following reaction to be -876.7 kJ :2NH3(g) + 3 N2O(g)4N2(g) + 3 H2O(g)Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of NH3(g) is kJ/mol.
What is the enthalpy change when 2.00 mol of oxygen (O2) react? C12H22O11(s) + 12 O2(g) → 12 CO2(g) + 11 H2O(l) ΔH = -5644 kJ
MISSED THIS? Read Section 7.6 (Pages 281- 284), Watch IWE 7.7 View Available Hint(s) Nitromethane (CH,NO2) burns in air to produce significant amounts of heat via the following reaction Hint 1. Calculate the number of moles of nitromethane 2CH,NO, (1) +O2(g)→ 2CO2(g) +3H,O(1) + N2(g) The value of AH is related to the balanced chemical equation by the number of moles of nitromethane. Calculate the number of moles of nitromethane in a 2.73-kg sample. AHn -1418 kJ Express your answer in moles. mol CH, NO2 44.72 Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining Convert the mass of nitromethane from kg to g. Then use the molar mass of nitromethane as a conversion factor to obtain a value in mol HA Value Units = b
A scientist measures the standard enthalpy change for this reaction to be -739.4 kJ/mol:2CO(g) + 2 NO(g)2CO2(g) + N2(g)Based on this value and the standard formation enthalpies for the other substances, the standard formation enthalpy of CO(g) is
Sulfur dioxide, SO2(g), can react with oxygen to produce sulfur trioxide, SO3(g), by the reaction 2 SO2(g) + O2(g) → 2 SO3(g) The standard enthalpies of formation for SO2(g) and SO3(g) are AH; [SO2(g)] = -296.8 kJ/mol AH; [SO3(g)] = -395.7 kJ/mol Calculate the amount of energy in the form of heat that is produced when a volume of 2.25 L of SO2(g) is converted to 2.25 L gas behavior. of SO3(g) according to this process at a constant pressure and temperature of 1.00 bar and 25.0 °C. Assume ideal AH= kJ
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.
When 3.8 g A are reacted with 8.5 g D, according to the balanced chemical equation below, 33 kJ of energy are released. Please calculate the enthalpy for this reaction when 3 moles of G are produced. 2A + 3D = 2Z + 3G given molar masses: A = 141.8 g/mole D = 63.996 g/ mole Z = 4.032 g/ mole G = 56.028 g/ mole
Use the References to access important values if needed for this question. A scientist measures the standard enthalpy change for the following reaction to be -103.2 kJ: 4HCl(g) + O2(g) → 2H₂O(g) + 2Cl₂ (g) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of HCl(g) is I kJ/mol red Species AH (kJ/mol) H₂O(g) -241.8 Cl₂(g) 0.0 0₂ (9) 0.0
Consider the balanced reaction 4 A + 9 B → 8 C + 8 D and the enthalpies of formation provided in the table below. AH Compound (kJ/mol) A 170.8 231.1 D -98.4 Suppose that the AH of the overall reaction is -2,029.3 kJ/molxn. Calculate the value of the AHf of C in kJ/mol. Report your answer to three decimal places (ignore significant figures).
A scientist measures the standard enthalpy change for the following reaction to be -912.5 kJ:2NH3(g) + 3 N2O(g)4N2(g) + 3 H2O(g)Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of H2O(g) is kJ/mol.
Topics] [References] Use the References to access important values if needed for this question. A scientist measures the standard enthalpy change for the following reaction to be -754.2 kJ: 2CO(g) + 2NO(g) → 2CO2(g) + N₂ (9) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of NO(g) is kJ/mol. $ 4 R Submit Answer F Species AH (kJ/mol) CO₂(g) N₂ (9) 14 V CO(g) %6 5 T G -393.5 0.0 -110.5 Retry Entire Group tv SIA B MacBook Air FO 6 C 9 more group attempts remaining Y H & 7 N F7 U J 8 M DII FO - ( 9 K H lo O I ) O L F10 P A. || : ¡ n F11 Previous + [ command option = 11 1 Next Save and Exit 4) F12 TA delete re