Question
Calculate the standard molar enthalpy of formation of NO(g) [N2(g) + 02(g) →
2NO(g)] from the following data:
→ 2NO,(g)
→ 2NO,(g)
N,(g) + 20,(g)
AH98 = 66.4 kJ
2NO(g) + 0,(g)
AH 298
-114.1 kJ
!!
Expand
Transcribed Image Text

Calculate the standard molar enthalpy of formation of NO(g) [N2(g) + 02(g) → 2NO(g)] from the following data: → 2NO,(g) → 2NO,(g) N,(g) + 20,(g) AH98 = 66.4 kJ 2NO(g) + 0,(g) AH 298 -114.1 kJ !!

Expert Answer

1 Rating

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Science
Chemistry

Chemical Thermodynamics

Related Chemistry Q&A

Find answers to questions asked by students like you.

Q: Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric ac...

A: Given data,Volume of Cl2=345mL=0.345LTemperature=25oC=25+273=298KPressure=765torr=765760atm=1.0065at...

Q: When a solid dissolves in water, the solution may become hotter or colder. The dissolution enthalpy ...

A: Mass of CsCl(s) = 8.78 grams Mass of water = 111.10 grams Mass of solution = Mass of CsCl(s) + Mass ...

Q: Which is the strongest interparticle force present in a sample of H3PO4? dipole―dipole forcesionic b...

A: Intermolecular forces operate between the molecules so changes with change in the phase and effects ...

Q: why NaH and M.C. are needed in this reaction? NaH OEt DEt Eto Eto М.С.

A: The Horner-Wadsworth-Emmons reaction is the modified Wittig reaction which make use of stabilized ph...

Q: A __________ electrolyte only dissociates partially when dissolved in water

A: Salts are classified into three categories in accordance with their dissolution and ability to condu...

Q: DEHP is a plasticizer that is an example of phthalate, an ester of phthalic acid.a) What is a plasti...

A: A plasticizer is a chemical that is used while synthesising a polymer, it acts as a flexibility prov...

Q: substance classification (check all that apply) 1000X 10,000,000X Ogas Oliquid normal Osolid Oelemen...

A: Sketch of a substance.

Q: My question is still the same, What is the major substitution product of the reaction, and what is t...

A: The replacement of any atom or group of atom by a nucleophile is termed as nucleophilic substitution...

Q: Write the saponification reaction of glyceryl dioleate monopalmitate with aqueous NaOH. Mechanism fo...

A: Saponification is a process that involves conversion of fat or oil into soap and alcohol by the acti...

Q: A student measures the mass of a block of brown sugar to be 12.9 g with a volume of 8cm3. what is th...

A: Click to see the answer

Q: Use the following reactions to answer the next two questions.       4PbO (s) → 4Pb (s) + 2O2 (g)   ...

A: The given three reactions are, (1) 4PbO (s) → 4Pb (s) + 2O2 (g)                          ∆H° = 876 k...

Q: Draw the Diels-Alder product (a) maleic anhydride heat (b) maleic anhydride heat H;C. „CH, (c) malei...

A: Given reactions:

Q: Calculate the heat of reaction for:                  2 C  + 4 H2  +  O2  ---->  2 CH3OH          ...

A: Given, C+O2→CO2  ; ΔH = -393.5 kJ                                      2 H2 +O2 → 2H2O     ; ΔH = -5...

Q: Predict which of the following reactions has a negative change in entropy.I. 2 HgO(s) → 2 Hg(l) + O ...

A: The randomness or disorderness of a molecules is determined by the entropy.  

Q: How can i solve this exercise?

A: The reaction of Benzene(C6H6) and Br2 is given by-          C6H6 + Br2 ---> C6H5Br + HBr Given, m...

Q: Could you explain how to do this with great detail?

A: A structure for this product can be proposed as

Q: Calculate the standard free energy change in KJ for the following reactions using standard cell pote...

A: Click to see the answer

Q: Which has the higher electronegativity? C or O? Br or Cl? Pb or H? O or H? C or H?

A: Click to see the answer

Q: What is the pH of a .020 M weak acid, HA at 25 C? The delta G, HA is -63.7 kJ/mol; the delta G, A is...

A: The given reaction is: HA(aq)⇋H+(aq)+A-(aq) Calculation of ∆G˚ for the reaction: ∆G°=∆GH++∆GA--∆GHA=...

Q: What will the molarity be of the resulting solutions made by mixing the following? Assume that volum...

A: Molarity is defined as the number of moles of solute dissolved per liter of the solution.  So,  Mola...

Q: help with 2a and 2b if possible please. image attached of question. thank you

A: hybridization of any central atom decide its geometry and shape , and hybridization is calculated by...

Q: Is there a chiral molecule without chiral center. If yes, are these compounds chiral or achiral.

A: Chiral meaning optical active i.e anything (object or molecule) if it gives non superimposable mirro...

Q: Classify V ubstance shown in the sketch below. You can click the other tabs in the sketch to get a m...

A: It is not a solution, and solutions are a homogenous mixture It is not a pure substance, as the pure...

Q: How to do it

A: Lewis structure is the structure of the molecule of a compound that depicts the bonding between the ...

Q: What volume of a 0.452 M NaOH solution is needed to neutralize 85.0 mL of a 0.176 M solution of H2SO...

A: Click to see the answer

Q: All this worksheet asks for are the major substitution products and the major elimination products, ...

A: Cycloalkyl reactant whose elimination and substitution products are to be determined.

Q: Which of the following atoms would possess the highest first ionization energy? Select an answ...

A: Ionization energy is amount of energy required to remove the electron from isolated atom  So as left...

Q: How can i solve this exercise?

A: The balanced reaction is: 3NaHCO3(aq)+H3C6H5O7(aq)→3CO2(g)+3H2O(l)+Na3C6H5O7(aq) Calculation of no. ...

Q: Name the isotopesof hydrogen. Which one (or more) is (are) radioactive?

A: Click to see the answer

Q: For each alkyl halide and nucleophile: [1] Draw the product of nucleophilic substitution; [2] determ...

A: Hello. There are multiple subparts in the question. The first three subparts have been solved. To re...

Q: Write the rate equation for each of the following elementary reactions:(a) O3 ⎯⎯⎯⎯⎯⎯⎯→ sunlight O2 +...

A: Given, (a) O3 ⎯⎯⎯⎯⎯⎯⎯→ sunlight O2 + O(b) O3 + Cl ⟶ O2 + ClO(c) ClO + O ⟶ Cl + O2(d) O3 + NO ⟶ NO2 +...

Q: Chemistry Question

A: Click to see the answer

Q: ES → ES' v = k,[ES] ES' → E+ P v = k,[ES'] Show that the rate of formation of product has the same f...

A: Click to see the answer

Q: How many milliliters of 0.450 M H3PO4 is required to neutralize 1.55 L of 0.0945 M Ca(OH)2? Balanced...

A: At the complete neutralization, No of moles of acid = No of moles of base As molarity = No of moles/...

Q: 28. Explain why the configuration of a polymer of 2.3-dimethylbutylene is neither isotactic, syndiot...

A: Configuration of a polymer of isobutylene: The three possible configurations for polymers formed fr...

Q: Arsenate (AsO43-) has been used as a poison since ancient times. It disturbs glycolysis by interferi...

A: Glycolysis is the splitting of glucose molecule into pyruvate. This process takes place in the cell ...

Q: How to do it

A: Hello. Since multiple questions have been posted, the first question shall only be solved in this ca...

Q: please see attached

A: For the given calculation the number of the significant figures in the given number is as follow: Th...

Q: A 50.0 mL sample of HCI required 25.81 ml of 0.1250 M KOH for neutralization, What is the molarity o...

A: The balanced reaction of HCl and KOH is as follows:

Q: Please help! Thank you!

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for y...

Q: Difluoroethene has two isomers with very different properties despite having the same chemical formu...

A: Given that:Enthalpy of vaporization = 21.4 KJ/molNormal boiling point = -28oC = -28 + 273.15 = 245.1...

Q: The ambient temperature is 85.0°F and the humidity of the surrounding air is reported to be 66.0%. U...

A: The Pressure at 85 deg C is 814.75 torr