Calculate ΔH for the reaction: NO (g) + O (g) ➔ NO₂ (g) ΔH = ?From the given information:1. NO (g) + O₃ (g) ➔ NO₂ (g) + O₂ (g) ΔH = -198.9 kJ2. O₃ (g) ➔ 3/2 O₂ (g) ΔH = -142.3 kJ3. O₂ (g) ➔ 2 O (g) ΔH = 495 kJUse the editor to format your answer.

Answered: Image /qna-images/answer/6eb2b3d5-0a0e-4605-b780-81a7a8255e4c.jpg

Calculate AH for the reaction: NO (g) + O (g) → NO2 (g) AH. = ? From given the following information: NO (g) + O3 (g) → NO2 (g) + O2 (g) AH = -198.9 kJ AH = -142.3 kJ Оз (g) 3/2 02 (g) O2 (g) → 20 (g) AH = 495 kJ

Calculate AH for the reaction: NO (g) + O (g) → NO2 (g) AH. = ? From given the following information: NO (g) + O3 (g) → NO2 (g) + O2 (g) AH = -198.9 kJ AH = -142.3 kJ Оз (g) 3/2 02 (g) O2 (g) → 20 (g) AH = 495 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

Which of the following represents an endothermic reaction? H2(g) + F2(g) → 2 HF(g) AH= -542 kJ C(s) + O2(g) → CO2(g) + 235kJ 2 H20(1) + 482 kJ → 2 H2(g) + O2(g) There are more than 1 endothermic reactions. None of the reactions are endothermic.
In a constant-pressure calorimeter, 55.0 mL of 0.350 M Ba(OH), was added to 55.0 mL of 0.700 M HCI. The reaction caused the temperature of the solution to rise from 23.81 °C to 28.58 °C. If the solution has the same density and specific heat as water (1.00 g/mL and 4.184J/g °C.) respectively), what is AH for this reaction (per mole H₂O produced)? Assume that the total volume is the sum of the individual volumes. AH= kJ/mol H₂O
Consider these reactions, where M represents a generic metal. 1. 2 M(s) + 6 HCI(aq) 2 MCI, (aq) + 3 H, (g) ΔΗ = -550.0 kJ 2. HCl(g) HCI(aq) AH2 = -74.8 kJ > 3. H, (g) + Cl, (g) → 2 HCl(g) AH3 = -1845.0 kJ 4. MCl, (s) → MCI, (aq) AH4 = -291.0 kJ Use the given information to determine the enthalpy of the reaction 2 M(s) + 3 Cl, (g) → 2 MCI, (s) ΔΗ kJ
A chemist measures the enthalpy change AH during the following reaction: 2 Al(s) + Fe,O3(s)→Al,03(s) + 2 Fe(s) AH=-852. kJ Use this information to complete the table below. Round each of your answers to the nearest kJ/mol. reaction ΔΗ x10 Al,0, (s) + 2Fe(s) → 2Al(s) + Fe,0,(s) |kJ 3 1,0,6) + mo) -– MG) +,0,6) Fe(s) Al,03 (s) Al (s) + - Fe,0, (s) ||kJ 4 Al (s) + 2 Fe,03(s) 2 Al,03 (s) + Fe(s) | kJ
When 6.54 grams of Zn is placed in 500.0 mL of 1.00 M CuSO4(aq) in a coffee cup calorimeter, it reacts completely to displace copper. The temperature of the solution rises from 20.0˚C to 30.4˚C. Assume the coffee cup itself gains no heat and that the solution has the same density (1.00 g/mL) and specific heat (4.184 J/g˚C) as pure water. (a) How much heat does the solution gain during this reaction? (in J)
Which of the following reactions is exothermic? C2H4(g) + O2(g) → 2C(s) + 2H2O(g) AH = 469.2 kJ O N204(g) + 57.6 kJ → 2NO2(g) C2H4(g) + 302(g) → 2CO2(g) + 2H2O(g) > AH = 1322.9 kJ PCI3(g) + Cl2(g)→ PCI5(g) + 92.5 kJ
Using the equations H₂ (g) + Cl₂ (g) → 2 HCI (g) AH° = -184.6 kJ/mol C (s) + 2 Cl₂ (g) →→ CCI (g) AH° = -95.7 kJ/mol Determine the molar enthalpy (in kJ/mol) for the reaction C (s) + 4 HCI (g) → CCI (g) + 2 H₂ (g). 4 2
50 g of solid sodium hydroxide is dissolved in 175 mL of water. Using a coffee-cup calorimeter, the temperature change of the water is measured to be -2.1°C. Which equation best describes this system? NaOH(s)→NaOH(aq) + kJ NaOH(s)+ kJ →NaOH(aq) NaOH(s)→NaOH(l) + kJ NaOH(aq)→NaOH(s) + kJ NaOH(aq)+ kJ →NaOH(s) NaOH(l)+ kJ → NaOH(s) What is the definition of the temperature of a substance? the speed of the slowest particles in the substance, subtracted from the speed of the fastest particles. the heat capacity of the substance times its mass a measure of the average kinetic energy of a system the total heat content of a substance the speed of the fastest particles in the substance Which statement describes an endothermic reaction? The surroundings warm up. The system releases energy. The potential energy of the products is less…
For the reaction: 2 CH3OH) +3 02(g) (1) → 2 CO2 + 4 H20u) + 4 H200 + 347 kcal Calculate the amount of heat in kcal & kJ released when 25.4 g of CH,OH reacts.
Consider these reactions: Reaction 1: H₂(g) + Cl₂ (g) Reaction 2: 20F2 (g) O2(g) +2 F2 (g) AH Reaction 3: N₂(g) + 2O2(g) → 2NO₂(g) AH = +66.4 kJ Use Reaction 1. — → 2HCl(g) AH = -184.6 kJ g = -49.4 kJ Determine the mass, in grams, of chlorine gas consumed (with excess H₂) when 1,959.0 kJ of energy is released from the system. Round to the nearest whole number. Answer:
Determine the enthalpy of reaction for HCI(g) + NANO,(s) → HNO,(1) + NaCI(s) 2NACI(s) + H,O(1) → 2HCI(g) + Na O(s) AH° = -507.1 kJ/mol NO(g) + NO,(g) + Na¸O(s) → 2NAÑO,(s) AH° = -427.0 kJ/mol NO(g) + NO,(g) → NO(g) + 0,(g) AH° = -43.01 kJ/mol 2HNO (1) → NO(g) + 0,(g) + H,O(1) AH° = +34.02 kJ/mol
Using the equations - N₂(g) + O₂(g) → 2 NO (g) AH° = 180.6 kJ/mol N₂(g) + 3 H₂ (g) → 2 NH, (g) AH = -91.8 kJ/mol 2 H₂ (g) + O₂(g) → 2 H₂O (g) AH = -483.7 kJ/mol 2 Determine the molar enthalpy (in kJ/mol) for the reaction 4 NH, (g) + 5 O₂ (g) →4 NO (g) + 6 H₂O (g).