6. One of the reactions that occurs in air pollution is 2 NO + 02 → 2 NO2 (all gases) What is the enthalpy change of this reaction in kJ? AH;° (NO) = 90.25 kJ/mol, AH:° (NO2) = 33.18 kJ/mol a) +123.43 b) -123.43 c) -114.14 d) +114.14 e) +246.86 %3D %3D

Q: Equation A: 1/2 N2 (g) = 1/2 O2 (g) = NO (g) H=90.3 Equation B: 2 NOCl (g) = N2 (g) + O2 (g) + Cl2…

A: Since, The standard enthalpy of the formation is defined as change of enthalpy of 1 mol of the…

Q: A chemist measures the enthalpy change AH during the following reaction: 3 N2(g) + 8 H,(9g)–4 NH3(g)…

A:

Q: What is AHn for the following chemical reaction? CO(g) + NH3(g)-HCN(g)+ H2O(g) You can use the…

A: Given: CO(g) + NH3(g) - - - - - >  HCN(g) +H2O(g) ∆fH° for CO(g) =-110.5 kJ/mol ∆fH° for NH3(g) =…

Q: the following equation. 4 NH3(g) + 5 O2(g) → 4 NO(g) + 6 H2O(g) ΔH⁰rxn   = −902.0 kJ If this…

A: Number of moles of ammonia reacted = given mass / molar mass = 7021 g/ 17.031 g/mole = 412.2 mole

Q: 4. Consider the following equations: 4 PCI; 1. P₁ + 6 Cl₂ → P₁ +50₂ → 2. P₂010 AH₁ = -1226 kJ AH₂ =…

A: Given, Enthalpy change for the few reactions are given, 1) P4 + 6Cl2  ➝ 4PCl3 ∆H1 = -1226 kJ 2) P4 +…

Q: Based on this value and the standard enthalpies of formation for the other substances, the standard…

A: Standard enthalpy of formation is the change in enthalpy that accompanies the formation of one mole…

Q: The reaction that was on the screen when you started and its derivative demonstrate that the change…

A: The objective of the question is to calculate the change in enthalpy (ΔH) for Reaction 2 using the…

Q: 1. A chemist wants to determine empirically the enthalpy change for the following reaction. Mg(s) +…

A:

Q: Consider these reactions, where M represents a generic metal. 2 M(s) + 6HCl(aq) → 2 MC1₂ (aq) + 3…

A:

Q: 5. The enthalpy change for the oxidation of naphthalene, C10H8, is AH =-5156kJ /mol C1, H) +120e)…

A:

Q: 5. Use the data in the following tables and answer the following questions. a) The experimental data…

A: Given that, Mass of ethanol = 3.26 g Heat capacity of calorimeter = 11.7 kJ/0C Initial temperature…

Q: CWhat is the new value of A, H for Reaction 1, as now written? Original: New: 4 B(s) + 3 O₂(g) → 2…

A:

Q: 5) Which one of the following statements is true? The enthalpy change for a for a reaction is…

A:

Q: Calculate the overall change in enthalpy that occurs when 60.0 grams of PH3 (g) reacts with 80.0…

A: Answer: Thermochemical equation of the oxidation reaction of PH3 is given and we have to use thermal…

Q: A student burns a 0.452 g sample of naphthalene, C₁0Hg, in a bomb calorimeter. The combustion…

A: Since the temperature of the calorimeter rises heat is released in the reaction and so the reaction…

Q: The equilibrium constant, K, of a certain first order reaction was measured at two temperatures, T.…

A: According to van’t Hoff equation the enthalpy of vaporization can be determined by plotting graph…

Q: The enthalpy change in the hydrogen combustion reaction is H2(g) + O2(g) H2O(1) AH-241.8 kJ/mol.…

A:

Q: A student performed the procedure described in the lab manual using 49.9 mL of 1.0 M HCI and 49.3 mL…

A: Molarity of HCl = 1.0 MVolume of HCl: 49.9 mLMolarity of NaOH = 1.0 MVolume of NaOH = 49.3 mLInitial…

Q: Is the total enthalpy (H) of the reactants more than or less than the total enthalpy of the products…

A:

Q: • Part A Chemical energy is released or absorbed from reactions in various forms. The most easily…

A:

Q: For numbers 38 and 39, use the data in the table below to answer the questions: AHor kJ mol 49.04…

A:

Q: Which one of the following statements is true? Group of answer choices The enthalpy change for a…

A:

Q: What can the chemist report for the specific heat capacity of the substance?

A:

Q: Matter can change from one physical state (phase) to another without any change in chemical…

A: Given mass of water ice, m = 135 g  Molar mass of water = 18.02 g/ mol  Therefore, moles of water =…

Q: 1) For each compound, complete the following steps: a) Write a complete, balanced combustion…

A: "Since you have asked multiple questions, we will solve the first question (i.e. first compound-…

Q: enthalpy change if

A:

Q: The combustion of methanol is shown by the following equation: 2 CH₂OH()+30₂(g) → 2 CO₂(g) + 4H₂O(g)…

A: Given ,Objective :To find enthalpy of reaction.To find molar enthalpy of combustion of methanolFind…

Q: How does the thermochemical equation S (s) + O2 (g) - SO2 (g), AH = -296 kJ, need to be modified to…

A: Enthalpy (∆H) is a property which is the sum of systems internal energy and the product of it's…

Q: You will find the final temperature when 5.00 grams of aluminum at 425℃ is placed in 50.0 grams of…

A: We know that  From the law of heat exchange Heat lost by substance= Heat gained by another substance…

Q: 5. In question 1, you calculated the enthalpy change for the combustion of propane from combining 3…

A: The objective of the question is to calculate the standard enthalpy change for the combustion of…

Q: For which of the following reactions is AH equal to AH of the product(s)?You do not need to look up…

A: The reactions given are,

Q: 1. Calculate the enthalpy of reaction for the combustion of methane gas, CH4, to form CO,(g) +…

A: In this question, we want to Calculate tye Enthalpy of the combustion Reaction for methane. You can…

Q: In this problem you are going to determine the molarity of a strong acid solution by measuring the…

A: The question is based on the concept of chemical thermodynamics. we need to write neutralization…