Consider the balanced reaction 2 A + 9 B →6 C + 2 D and the enthalpies of formationprovided in the table below.AH;Compound(kJ/mol)A-101.8В66C-46.6342.1Calculate the AH value for the overallreaction in kJ per mole of reaction.Report your answer to one decimal place(ignore significant figures).

The given balanced reaction is, 2 A + 9 E → 6 C + 2 D ΔHf (A) = -101.8 kJ/mol ΔHf (B) = 66 kJ/mol…

Answered: Consider the balanced reaction 2 A + 9…

Consider the balanced reaction 2 A + 9 B -→ 6 C + 2 D and the enthalpies of formation provided in the table below. AHf Compound (kJ/mol) A |-101.8 В 66 C -46.6 D 342.1

Chemistry

9th Edition

ISBN:9781133611097

Author:Steven S. Zumdahl

Publisher:Steven S. Zumdahl

Chapter6: Thermochemistry

Section: Chapter Questions

Problem 77E: Give the definition of the standard enthalpy of formation for a substance. Write separate reactions...

See similar textbooks

Related questions

Q: 3. When potassium chloride reacts with oxygen under the right conditions, potassium chlorate is…

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: 9.62 Sulfur trioxide can be removed from the exhaust gases of power plants by reaction with lime.…

A: Given, CaO(s) + SO3(g) ➝ CaSO4(s) ∆H° = -886 kJ Note : negative sign (-) indicate the release of…

Q: The value of ΔH0for the reaction CH3OH(l) → CO(g) + 2H2(g) is +128.1 kJ. Determine the heat consumed…

A: The given reaction is CH3OH(I)→CO(g)+2H2(g) ∆H=128.1J

Q: The heat of formation of Fe2O3(s) is -826.0 kJ/mol. Calculate the heat of the reaction 4Fe(s) +…

A: Given information,

Q: 4. Titanium reacts with iodine to form titanium(III) iodide: 2 Ti(s) + 3 12(g) -->2 Til(s) AH = -839…

A: Here we are required to find the mass of Ti needed for the reaction.

Q: Hot packs can be made from calcium chloride by mixing/reacting it with water (reaction shown below).…

A: A numerical problem based on enthalpy change of reaction, which is to be accomplished.

Q: The reaction for the combustion of propane is C,H,(g) + 50,(g) →3 CO,(g) + 4 H,O() kcal AH = -526.3…

A: Given : Mass of propane(m) = 47.8 g Heat released(∆H )= -526.3 Kcal/mol Molar mass of propane =…

Q: the heat formation of feo2 is -826. calculate the heat of the reaction when a 43.20g sample of iron…

A: The balanced thermodynamical Chemical equation given in the question is - 2Fe + 3/2O2 ----->…

Q: A bomb calorimeter can be used to measure the enthalpy of reaction for combustions such as the…

A: The chemical reaction may be written as: B2H6 (g) +3O2 (g) ----> B2O3 (s)+3H2O(g) ∆H =…

Q: How many grams of octane CgH18 must be burned to produce 3.25 X 10" kJ of heat? 2 C3H18 + 13 O2- 16…

A: In this problem, we have to calculate the mass of octane burnt during combustion to provide 3.25×104…

Q: Consider the combustion of butane: 2C4H10(g)+13O2(g)-->8CO2(g)+10H2O(l), ΔHrxn = −2878 kJ/mol…

A: The enthalpy of combustion of a substance indicates the enthalpy change produced as a result of the…

Q: 4. The combustion of 1.00 mol of liquid octane (C,H13), a component of gasoline, at constant…

A: Given, Burning of octane then heat release, q = 5.46 x 103 KJ Find, Enthalpy change for burning 50…

Q: A 0.5736 g of unknown substance is burned in a constant – volume bomb calorimeter that has a heat…

A: Given: Mass of substance = 0.5736 g Heat capacity of calorimeter = 1.674 kJ/°C temperature increased…

Q: If the reaction of 2.5 g of Ca transfers 487 J of heat to a solution in a calorimeter (i.e. qsoln =…

A: Given : Mass of Ca reacting = 2.5 g And amount of heat transferred to the solution = 487 J Atomic…

Q: A scientist measures the standard enthalpy change for the following reaction to be -189.6 kJ :…

Q: A bomb calorimetry experiment is performed with xylose, CSH1005 (s), as the combustible substance.…

A: Given: Mass of xylose burned=2.059 g Heat capacity, Cp=4.728 kJ/°C Initial calorimeter…

Q: When 1 mole of CH4(g) reacts with O2(g) to form CO2(g) and H2O(g) according to the following…

A: Since When 1 mole of CH4(g) reacts with O2(g) to form CO2(g) and H2O(g) according to the equation…

Q: The value of ΔH0 for the reaction is -6535 kJ. What is the heat released in the combustion of 16.0…

A: When two moles of benzene reacts with fifteen moles of oxygen gas twelve moles of carbon dioxide and…

Q: The reaction for the combustion of propane is…

A: In the given question, a reaction is given in which we have to determine the amount of heat released…

Q: Question is attached

A: Given: Mass of water at 75°C = 35g Mass of water at 15°C=15 Specific heat of water=4.184Jg°C

Q: OWhen a 0.740-g sample of trinitrotoluene (TNT), CH-N,Oo, is bumed in a bomb calorimeter, the…

A: Given volume of water = 675mL Density of water = 1g/mL So, mass of water = volume×density = 675g…

Q: The value of ΔH° for the reaction below is +128.1 kJ: CH3OH (l) → CO (g) + 2H2 (g) How many kJ of…

A: Given: The reaction is as follows, CH3OH (l) → CO2(g) + 2H2(g) ∆H° = +128.1 kJ Mass of…

Q: The value of ΔH° for the reaction below is 128.1 kJ CH3OH (l) --> CO (g) + 2H2 (g) How may kJ of…

Q: 3. Methanol undergoes combustion according to the equation: 2CH,OH + 30, → 2CO0 + 4H,0 ) AH = -1…

A: Given,

Q: The highly exothermic thermite reaction, in which aluminum reduces iron(ll) oxide to elemental iron,…

A: Heat released and absorbed in a chemical reaction is function of the numbe of moles of reactants…

Q: pt of The following thermochemical equation is for the reaction of hydrogen sulfide (g) with…

Q: Here's a formula for the combustion of ethane: 2 C,H, (g) + 7 O, (g) → 6 H¿O (g) + 4 CO2 (g) AH =…

A: Given the combustion reaction of ethane. The heat produced during this combustion is also is given…

Q: Consider the reaction B2H6(g) + 3 O2(g) → B2O3(s) + 3 H2O(g) ∆H = -2035 kJ How much heat is…

A: Using the concept of limiting reagent, we can easily find the number of moles of the reaction that…

Q: The work done by a system is 8 J, when 40 J heat is supplied to it. What is the

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

Q: When 0.5 mol of H2H2 is reacted with 0.5 mol of O2O2, 121 kJ of heat is released. Determine…

A: In the question, it is given that 0.5 mol of H2 react with 0.5mol of O2 i.e same ratio therefore…

Q: When a 13.0-g sample of N2OH(s) dissolves in 400.0 ml. lof water in a coffee cup calorimeter, the…

A: Given : Mass of NaOH added = 13.0 g Volume of water = 400.0 mL Initial temperature of water = 22.6…

Q: calculate ΔE for the combustion reaction per mole of xanthone burned (kJ/mol).

Q: When a 13.3 g sample of NaOH(s) dissolves in 349.0 mL water in a coffee cup calorimeter, the…

A: Given mass of NaOH = 13.3 g T1 = 20.6 deg c T2= 30.4 deg c

Q: Combustion of table sugar produces CO2(g) and H2O(l). When 1.46 g table sugar is combusted in a…

A: Given, The mass of sucrose burnt = 1.46 g Heat (q) = 24 kJ. a.Assuming that table sugar is pure…

Q: The value of AH° for the reaction below is 128.1 kJ CH OH -CO, + 2H 2(g) 2(g) (1) How may kJ of heat…

A: CH3OH ---> CO2(g) + 2H2(g) ΔH0 = 128.1 kJ 128.1 kJ of heat is consumed when 2 mol of H2 is…

Q: A scientist measures the standard enthalpy change for the following reaction to be -25.6 kJ : I(g) +…

A: Given : ∆rH° = -25.6 kJ As the standard enthalpy change of I2 and Cl2 are 62.44 kJ/mol and 0…

Q: The value of ΔH0for the reaction: 2Ba(s) + O2(g)→ 2BaO(s) is -1107 kJ. What is the amount of energy…

A: When two moles of solid Barium reacts with one mole of oxygen the amount of energy released is 1107…

Q: 4. Consider the equations for these reactions: % N2 + % 02→ No AH = +90.4 kJ NO2 → NO + % 02 AH =…

A: Given data, The given chemical reactions are - 12N2 + 12O2 → NO ------ (1) The ∆H for equation…

Q: - A 150 g sample of metal at 75 °C is added to 150 g water at 15°C. The temperature of the water…

A: Given data metal water mass 150 g 150 g t1 75 oC 15 oC t2 18.3 oC 18.3 oC specific…

Q: Which one of the following reactions is not a standard enthalpy of formation reaction? O A. Ca(s) +…

A: Standard enthalpy of formation :- The enthalpy change involved when one mole of a compound is…

Q: The value of ΔH0for the reaction is -482 kJ. What is the heat released to the surroundings when…

A: When two moles of CO reacts with one mole of O2, two moles of CO2 are formed. The amount of heat…

Q: A 1.50-g sample of hexane, C 6H 14 (MW = 86) undergoes complete combustion with excess 0 2 in a bomb…

Q: When a 13.0-g sample of NaOH(s) dissolves in 400.0 mL water in a coffee cup calorimeter, the…

A: 13 grams of NaOH is dissolved in 400 mL of water taken in a coffee cup calorimeter. The heat…

Q: 2. a. Determine the standard heat of formation, AH for the following reaction using the Data from…

A: Dear student , since you have posted multiple parts questions we will allow to solve only first…

Q: Liquefied petroleum (LP) gas burns according to the following exothermic reaction: C3H8 (g) + 502(g)…

A: Given: The specific heat capacity of water, (C)= 4.18 J/g0C The volume of water, (V) = 1.7 L= 1700…

Q: How much heat is evolved when 8.89x10° g of ammonia is produced according to the following equation?…

Q: A scientist measures the standard enthalpy change for the following reaction to be -48.4 kJ:…

A: Data taken using appendix are standard enthalpy of formation of CaCl2(s) = -795.4 kJ/mol standard…

Q: Carbon occurs in two forms, graphite and diamond. The enthalpyof the combustion of graphite is…

A: Given,

Q: 4. 56.0 ml of 1.5 M HCl is mixed with 68.5 mL of 1.33 M NAOH in a calorimeter cup (C= 55.35 J/ C) If…

A: Given that : The volume of HCl=56.0 mLThe molarity of HCl=1.5 MThe volume of NaOH=68.5 mLThe…

Question

Consider the balanced reaction 2 A + 9 B →
6 C + 2 D and the enthalpies of formation
provided in the table below.
AH;
Compound
(kJ/mol)
A
-101.8
В
66
C
-46.6
342.1
Calculate the AH value for the overall
reaction in kJ per mole of reaction.
Report your answer to one decimal place
(ignore significant figures).

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

Step 2

Step 3

ANSWER

Step by step

Solved in 4 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

Nitric acid, HNO3, can be prepared by the following sequence of reactions: 4NH3(g)+5O2(g)4NO(g)+6H2O(g)2NO(g)+O2(g)2NO2(g)3NO2(g)+H2O(l)2HNO3(l)+NO(g) How much heat is evolved when 1 mol of NH3(g) is converted to HNO3(l)? Assume standard states at 25 C.
9.103 One reason why the energy density of a fuel is important is that to move a vehicle one must also move its unburned fuel. Octane is a major component of gasoline. It burns according to the reaction 2C8H18(l)+25O2(g)16CO2(g)+18H2O(g) H = 1.10104 kJ Starting from this thermochemical equation, describe how you would determine the energy density, in kJ/g, for octane. Be sure to indicate what you would need to calculate or look up to complete this problem.
Use Appendix L to find the standard enthalpies of formation of oxygen atoms, oxygen molecules (O2), and ozone (O3). What is the standard state of oxygen? Is the formation of oxygen atoms from O2 exothermic? What is the enthalpy change for the formation of 1 mol of O3 from O2?
The addition of 3.15 g of Ba(OH)28H2O to a solution of 1.52 g of NH4SCN in loo g of water in a calorimeter caused the temperature to fall by 3.1 C. Assuming the specific heat of the solution and products is 4.20 J/g C, calculate the approximate amount of heat absorbed by the reaction, which can be represented by the following equation: Ba(OH)28H2O(s)+2NH4SCN(aq)Ba(SCN)2(aq)+2NH3(aq)+10H2O(l)
Combustion of table sugar produces CO2(g) and H2O( l). When 1.46 g table sugar is combusted in a constant-volume (bomb) calorimeter, 24.00 kJ of heat is liberated. a. Assuming that table sugar is pure sucrose, C12H22O11 (s), write the balanced equation for the combustion reaction. b. Calculate E in kJ/mol C12H22O11 for the combustion reaction of sucrose.
The reaction SO3(g)+H2O(l)H2SO4(aq) is the last step in the commercial production of sulfuric acid. The enthalpy change for this reaction is 227 kJ. In designing a sulfuric acid plant, is it necessary to provide for heating or cooling of the reaction mixture? Explain.
Combustion reactions involve reacting a substance with oxygen. When compounds containing carbon and hydrogen are combusted, carbon dioxide and water are the products. Using the enthalpies of combustion for C4H4 ( 2341 kJ/mol), C4H8 (2755 kJ/mol), and H2 (286 kJ/mol), calculate H for the reaction C4H4(g)+2H2(g)C4H8(g)
9.100 Two baking sheets are made of different metals. You purchase both and bake a dozen cookies on each sheet at the same time in your oven. You observe that after 9 minutes, the cookies on one sheet are slightly burned on the bottom, whereas those on the other sheet are fine. (You are curious and you vary the conditions so you know the result is not caused by the oven.) (a) How can you use this observation to infer something about the specific heat of the materials in the baking sheets? (b) What is themathematical reasoning (equation) that you need to support your conclusion?
A 5.00-g sample of aluminum pellets (specific heat capacity = 0.89 J/C g) and a 10.00-g sample of iron pellets (specific heat capacity = 0.45 J/C g) are heated to 100.0C. The mixture of hot iron and aluminum is then dropped into 97.3 g water at 22.0C. Calculate the final temperature of the metal and water mixture, assuming no heat loss to the surroundings.
Give the definition of the standard enthalpy of formation for a substance. Write separate reactions for the formation of NaCl, H2O , C6H12O6, and PbSO4 that have H values equal to Hf for each compound.
When 1.0 g of fructose, C6H12O6(s), a sugar commonly found in fruits, is burned in oxygen in a bomb calorimeter, the temperature of the calorimeter increases by 1.58 C. If the heat capacity of the calorimeter and its contents is 9.90 kJ/C, what is q for this combustion?
A sample of nickel is heated to 99.8C and placed in a coffee-cup calorimeter containing 150.0 g water at 23.5C. After the metal cools, the final temperature of metal and water mixture is 25.0C. If the specific heat capacity of nickel is 0.444 J/C g, what mass of nickel was originally heated? Assume no heat loss to the surroundings.