Use the following 2 thermochemical equations:2NO, → N2 + 20, AH= -677 kJN2 + 20, → N,0, AH= 9.7 kJDetermine the change in enthalpy for the following reaction:2NO, > N,O,Select one:a.-77.4 kJb. -58.0 kJC.+77.4 kJd. +58.0 kJ

Answered: Image /qna-images/answer/ceeb98a8-493b-4905-aedf-681c3462d489.jpg

Answered: Use the following 2 thermochemical…

Use the following 2 thermochemical equations: 2NO2→ N2 + 20, AH=-677 kJ N2 + 202 N204 AH= 9.7 kJ Determine the change in enthalpy for the following reaction: 2NO, → N,O, Select one:

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

Related questions

Q: Consider the hypothetical thermochemical equation 3 A + B 2 C for which AH = 59.3 kJ/mol. What would…

A: The reaction 2 C -----> 3 A + B is just the reverse of 3 A + B ------> 2 C So the ΔH for the…

Q: Consider the following thermochemical reaction: 6 HCl(g) + 2 BCl3(g)-->B2H6(g) + 6Cl2(g) ΔHrxn =…

A: Given :- 6 HCl(g) + 2 BCl3(g)-->B2H6(g) + 6Cl2(g) ΔHrxn = +755.4 kJ To calculate :- mass of…

Q: How much heat evolves from burning 16.4 g of sulfur, Sg, in air? g S8(s) + 8 O2(g) → 8 SO2(g) AH°r=…

Q: heat

Q: Calculate heat for the following reaction to produce sulfur dioxide, S(s) + O2(g) = SO2(g) given…

A: The net chemical equation can be obtained by inverting the second thermo-chemical equation and…

Q: 2. Use the following reactions: CIO(g) + O3(g) → CI (g) + 202 (g) AHxn = -29.90 kJ 203(g) → 302…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: H2(g) + F2(g) → 2 HF(g) ΔH = -542 kJ What would be the enthalpy change for the reverse of the…

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

Q: Given the thermochemical equation 2 NO2 (g)= N2O4 (g) Delta H = - 57.2KJ what is the enthalpy change…

A: Enthalpy change (∆H) :- It is the heat content of a system. The heat that passes into or out of…

Q: According to the following thermochemical equation, what mass of C3H18 (in g) must react in order to…

A: From the reaction it is clear that 2 mol of C8H18 reacts with 25 mol of O2 and 11018 kJ energy is…

Q: 4 Fe(s) + 3 O2(g) → 2 Fe2O3(s), ΔH = -1652 kJ (c) How much heat is released when 1.21 g iron is…

A: Given - Heat released in the given reaction = 1652 kJ Mass of iron = 1.21 g

Q: A chemist measures the energy change AH during the following reaction: C3H8(g)+50₂(g) - ► 3 CO₂(g) +…

A: we have to calculate the heat released or absorbed in the given reaction

Q: 4Al(s) + 3O2 (g) --> 2 Al2O3 (s) Δ H = -3351 kJ How much heat will be released when 85 g of Al…

A: Given thermochemical reaction equation is 4Al(s) + 3O2 (g) --> 2 Al2O3 (s) Δ H = -3351 kJ…

Q: Methanol is an attractive fuel source in a sustainable, green economy. The chemical energy inherent…

Q: 4 Fe(s) + 3 O2(g) → 2 Fe2O3(s), ΔH = -1652 kJ (d) How much heat is released when 11.40 g Fe and 2.13…

A: In the given question we have to calculate the heat released during the reaction, First of all, we…

Q: 4. Calculate A H for S (s) +0,(9) → so;(g) based on the reactions: S (s) + 02 → S02 (g) 2502 (g) +…

A: Given, S (s) + O2 → SO2 (g); ∆H = - 296 kJ .......(1) 2SO2(g) + O2(g) → 2SO3 (g); ΔΗ =-198.2…

Q: A scientist measures the standard enthalpy change for the following reaction to be -29.5 kJ: I2(g)…

Q: Using the balanced thermochemical equation for the combustion of methane, determine the enthalpy of…

A: From balanced reaction one mole of methane react with oxygen and produced carbon dioxide and two…

Q: : What amount of heat is released/absorbed when 15.0 g of XH3 are reacted with excess oxygen? (NOTE:…

A: amount of heat is released/absorbed when 15.0 g of XH3 are reacted with excess oxygen: the solution…

Q: ochemical equation for the formation of aqueous su (g) + H20 (1) → H2SO4 (aq) + 909.27 kJ (g) + ½ 02…

A: Enthalpy of formation is the Enthalpy change for formation of one mole substance from their…

Q: What is the change in enthalpy in kilojoules when 2.30 mol of Mg is completely reacted according to…

A: Given reaction is enthalpy of combustion reaction. 2Mg(s)+O2(g)=2Mgo(s), ∆H=-1204 KJ When whole…

Q: the References tons important values needed for the question A scientist measures the standard…

Q: Hydrogen gas and chlorine gas react to make hydrogen chloride gas with an accompanying enthalpy…

A: A reaction in which both side i.e. reactant side and product side number of atoms are equal is…

Q: The enthalpy change for heating a one mole sample of an ideal, monoatomic gas at 25°C is 3.75…

A: Enthalpy is the heat content of a system. The enthalpy change of a reaction is roughly equivalent to…

Q: Calculate the change in enthalpy when 20.2g of oxygen reacts according to the following equation:…

Q: The enthalpy change for Photosynthesis can be represented as the following thermochemical equation.…

A: Photosynthesis is the chemical process where the plant absorbs sunlight and converts into a glucose…

Q: Given the thermochemical equations X₂ + 3 Y₂ → 2XY, AH₁ = -330 kJ X₂ +2Z₂ → 2XZ₂ - AH₂ = -190 kJ…

Q: [References] Use the References to access important values if needed for this question. When CO(g)…

A: The evolved energy for each mole of CO which is reacting is given as 283 kJ The reaction is as…

Q: 10. Given the following thermochemical equation, calculate the heat involved in decomposing 12.5 g…

Q: 7.) Use the folowing themochemical equations as needed to find the heat of formation of diamond:…

A: Given equations are : 1). C (diamond) + O2 (g) --------> CO2 (g) , ΔH1 = -395.4 KJ 2). 2CO2…

Q: A certain system absorbs 0.100 kJ of heat and has 0.800 kJ of work performed on it. What is the…

A: The formula for the calculation of internal energy is : internal energy(ΔE) = heat(q) + work(w)

Q: What is the standard molar enthalpy of formation (AHFº) for Al203 based on the thermochemical…

A: The two given thermochemical reaction are as follows; 4Fe(s) + 3O2(g) -------------> 2Fe2O3(s).…

Q: Many portable gas heaters and grills use propane, C3H81g2, asa fuel. Using standard enthalpies of…

A: The balanced reaction is,

Q: n heat would be released per gram of Al(s)?

Q: During a certain chemical reaction 105 J of heat is absorbed by the system and 310 J of work is done…

Q: given the thermochemical equation: CH4 (g) + 2 O2 (g) -> CO2 (g) + 2H2O (l) H = -890kJ is this…

A: Exothermic reaction: A reaction which evolves heat is called exothermic reaction. In an exothermic…

Q: Hydrazine, N2H41), is used in rocket fuels. The thermochemical equation for the combustion of…

Q: Solve the following thermochemical reactions: 2 HCl + Pb PbCl₂ + H₂ H=-1861 J/mole What is the…

A: Note: As per our guidelines, we are supposed to answer only one question when multiple questions are…

Q: 1. The complete combustion of ethanol, C2H50H (1) to form H20(g) and CO2 (g) at constant pressure…

A: 1 mole of ethanol reacts with 3 moles of oxygen gas(complete combustion) and yields 2 moles of…

Q: Given the following thermochemical equation CH4 (g) + 2O2 (g ) ⟶ CO2(g) + 2H2O…

Q: You are given the following related reactions and the corresponding enthalpy changes. 1. 2. 2(g)…

Question

100%

Use the following 2 thermochemical equations:
2NO, → N2 + 20, AH= -677 kJ
N2 + 20, → N,0, AH= 9.7 kJ
Determine the change in enthalpy for the following reaction:
2NO, > N,O,
Select one:
a.
-77.4 kJ
b. -58.0 kJ
C.
+77.4 kJ
d. +58.0 kJ

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

Calculate the enthalpy of reaction (AH°xn) of the chemical reaction below. 4NH319) 4H2(g) → 4NO2(g) 6H2O1) +
ΔHf for the following reaction is – 186 kJ.H2(g) + Cl2(g) → 2HCl(g)(i) Determine the kJ of heat produced from the reaction of 10 g H2.(ii) Write the thermochemical equation for the reverse reaction.
The thermochemical equation for the reaction is shown below: 4 Al(s) + 3 O2(g) → 2 Al2O3(s) ΔH = -3352 kJ How much heat is released when 12.1 g of Al react with O2(g) at 25 oC and 1 atm? Group of answer choices A.) -3.59 × 105 kJ B.) -104 kJ C.) -1.50 × 103 kJ D.) -376 kJ
Given the following thermochemical equations P4(s) + 6C12(g) 4PCI3(g) AH = -2439 kJ/mol 4PCI5(g) → P4(s) + 10CI 2(g) AH = 3438 kJ/mol find the AH for the reaction below, PCI5(g) → PC|3(g) + Cl2(g) O A) +249.8 kJ/mol O B) +999 kJ/mol O C) -999 kJ/mol O D) -249.8 kJ/mol
4 Fe(s) + 3 O2(g) → 2 Fe2O3(s), ΔH = -1652 kJ (a) How much heat is released when 4.47 mol iron is reacted with excess O2?
- Use the following information for the following questions. The chemical reaction is given by the equation Mg + 2 HCl H2 + MgCl2 . The enthalpies of formation for the substances are for Mg = 0 kJ, HCl = -92.3 KJ, H2 = 0 kJ, MgCl2 = -641.8 kJ, what is the total enthalpies of formation of the products?
Consider the following reaction carried out under constant pressure 5Cl2(g) + 2P(s) → 2PCl5(g) Δ Hrxn = -749.8 kJCalculate the heat associated with the complete reaction of 84.0 g of Cl2 with 20.6 g of P. -6.15×102 kJ -1.78×102 kJ -4.99×102 kJ -8.88×102 kJ -2.50×102 kJ
O THERMOCHEMISTRY Using Hess's Law to calculate net reaction enthalpy Lindsay Dimethyl ether, a useful organic solvent, is prepared in two steps. In the first step, carbon dioxide and hydrogen react to form methanol and water: CO,(g) + 3 H,(g) → CH;OH(1) + H,0(1) AH=-131. kJ In the second step, methanol reacts to form dimethyl ether and water: 2 CH,OH(1) → CH;OCH,(g) + H,0(1) AH=8. kJ Calculate the net change in enthalpy for the formation of one mole of dimethyl ether from carbon dioxide and hydrogen from these reactions. Round your answer to the nearest kJ. II
Given the thermochemical equations for reactions (1),(2) and (3) below, calculate the enthalpy change for reaction (4).
In the following reaction, how many moles of CH3OH are required to give off 3791 kJ of heat? 2 CH,OH (I) + 3 02 (g) → 2 CO, (g) + 4 H,0(g) AH° = -1280. kJ
A food product containing 82% moisture content is being frozen. Predict the specific heat of the product at -8 ° C when 82% of the air is frozen. The specific heat of the dry product is 2.5 kJ / (kg ° C). It is assumed that the specific heat of water at -10 ° C is the same as that of water at 0 ° C, and that the specific heat of ice follows the function Cp ice = 0.0062 T frozen + 2.0649. Cp of frozen product = answer J / kg ° C.
Consider the following information: A + B → C + D AH° = -15 kJ mol-1 C + D → E AH° = +5 kJ mol-1 Calculate the enthalpy for the following reaction: 2A+2B → 2E