send asap 3. Determine the enthalpy change, AH, for the reaction, CS2(1) + 4 O2(g)-given the following thermochemical equations:CO2(g) + 2 SO3(g),-C(s) + O2(g) CO2(g)SO2(g) + 2 O2(g) -C(s) +2 SO2(g)AH° = -393.5 kJSo:(g)CS2(1) + 202 (g)AH° = -98.9 kJ>AH° = +682.6 kJ

The enthalpy change for the reactants to the products is same whether the process occur in single…

3. Determine the enthalpy change, AH, for the reaction, CS2(1) +4 O2(g)- given the following thermochemical equations: C(s) + O2(g) CO2(g) So2(g) + ½ O2(g)- C(s) +2 SO2(g)-CS2(1) + 202 (g) Co2(g) + 2 SO3(g), - AH° = -393.5 kJ > So(g) AH° = -98.9 kJ AH° = +682.6 kJ >

3. Determine the enthalpy change, AH, for the reaction, CS2(1) +4 O2(g)- given the following thermochemical equations: C(s) + O2(g) CO2(g) So2(g) + ½ O2(g)- C(s) +2 SO2(g)-CS2(1) + 202 (g) Co2(g) + 2 SO3(g), - AH° = -393.5 kJ > So(g) AH° = -98.9 kJ AH° = +682.6 kJ >

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter9: Energy And Chemistry

Section: Chapter Questions

Problem 9.41PAE: 9.41 Under what conditions does the enthalpy change equal the heat of a process?

See similar textbooks

Related questions

Q: 2) Would there be a change in the value of the enthalpy of combustion if the water is heated until a…

Q: 20.) Industrial production of methanol uses a synthesis gas which is a mixture of carbon monoxide…

Q: Calculate the change of enthalpy for the reaction CH4 (g) + NH3 (g) --> HCN (g) +3H2 (g) from the…

A: Answer:- this question is answered by using the simple concept of Hess law of constant summation of…

Q: Calculate the enthalpy of the reaction 2NO(g) + O2(g)→2NO2(g) given the following reactions and…

A: According to Hess law if a chemical equation can be written as sum of two or more chemical…

Q: 9. Calcium oxide, CaO(s), reacts with carbon as shown. CaO(s) + 3C(s) + 462.3 kJ → CaC2(s) + CO(g)…

A: Calcium oxide, CaO(s), reacts with carbon to form calcium carbide and carbon monoxide. The balanced…

Q: 1. For which of the following reactions does AHrxn represent an enthalpy of formation? More than one…

Q: that are displayed. The reaction that was on the screen when you started and its derivative…

A: Given reaction 1: C3H8(g) + 5O2(g) -----> 3CO2(g)+ 4H2O(g) ΔH1 = -2043 kJ Since ΔH is an…

Q: 5. From the following heats of combustion, 3 CH,OH + Oe → COue) +2H,Ou 2(8) AH° =-726.4kJ (1) 2(g) 2…

A: If we reverse any reaction sign will change of ∆H but magnitude remain same We multipy may equation…

Q: Given the following two reactions and corresponding enthalpy changes, CO(g) + SiO2 (s) – SiO(g) +…

A: The final reaction can be obtained by multiplying the first equation 3 times and then adding up the…

Q: Using the standard enthalpies of formation, what is the standard enthalpy of reaction? CO(g) +…

Q: Use standard enthalpies of formation, AH;, to calculate the AH?xn for 2 NO(g) + 2 H, (g) → N, (g) +…

A: Answer: Formula to calculate enthalpy of reaction from the enthalpy of formation is shown below:…

Q: 1. Nitrogen and oxygen gas combine to form nitrogen oxide acc.to the ffg reaction: N +20 2(g) 2(g)…

A: According to Hess's law enthalpy of reaction remains the same whether the reaction takes place in…

Q: Calculate the change of enthalpy for the reaction CH4 (g) + NH3 (g) --> HCN (g) +3H2 (g) from the…

A: Calculate the change of enthalpy for the reaction CH4 (g) + NH3 (g) → HCN (g) +3H2 (g) from the…

Q: Use standard enthalpies of formation to calculate ΔH∘rxn for the following reaction:…

A: Hess's law states that the amount of heat evolved or absorbed in a process is independent of the…

Q: Using standard heats of formation, calculate the standard enthalpy change for the following…

A: The enthalpy of a reaction is the amount of heat released or absorbed during the course of a…

Q: 4. For which of the following reactions would the enthalpy of reaction be labelled AH,º? NO(g)…

A: The standard enthalpy of formation ∆H°f is defined as the amount of heat is absorbed or evolved…

Q: Chloromethane, CH3CI, is formed from methane and chlorine in the following reaction: CH4 (g) + Cl2…

A: Enthalpy of formation is the amount of energy released when 1 mole of compound is formed from its…

Q: Please help answer this

A: Sine you Have asked a question with multiple sub-parts we will solve only the first 3 sub parts for…

Q: 5. Liquid hydrazine, N2H4 is a rocket fuel. It combusts in oxygen gas to form nitrogen gas and…

A: The given equations are : 2NH3(g)+3N2O(g)→4N2(g)+3H2O(l) ∆H=-1010 kJ (i)…

Q: Use standard enthalpies of formation to calculate AH for the following reaction. 2NaHCO3 (s)→Na20(s)…

Q: 1. Determine the standard enthalpy of formation (in kJ/mol) of methanol from its elements. C(graph)…

Q: Is enthalpy change an extenive or intensive property? What impact does this have on the quality of a…

A: The enthalpy of a system is nothing but the sum of internal energies of the system and its…

Q: Use standard enthalpies of formation to calculate ΔH∘rxn for the following reactions a.…

A: ∆H°rxn is given by: ∆H°rxn = ∑ np×∆H°f (Product)s - ∑ nr×∆H°f (Reactants)Where: np=Number of…

Q: From the following heats of combustion, 3 CH3OH(1) + 02g) → CO2(g) + 2H,O(1) AH° =-726.4 kJ/mol rxn…

A: In-order to find the enthalpy change of the desired reaction, the given reactions has to be written.…

Q: Determine the enthalpy change, ΔHrxn, for the combustion reaction shown, using the heats of…

A: Thermodynamics is the branch of chemistry that mainly deals with the heat transfer between system…

Q: The standard molar enthalpy of formation of diborane, B2H6(g), cannot be determined directly because…

A: (a).

Q: For the chemical reaction H2 (g) + F2 (g) →2 HF (g) AH° = -79.2 kJ/mol. What is the enthalpy for the…

A: The enthalpy of a reaction is dependant on the stoichiometric coefficients of reactants and products…

Q: For the chemical reaction H2 (g) + F2 (g) → 2 HF (g) AH° = -79.2 kJ/mol. What is the enthalpy for…

A: Heat of formation, also called standard heat of formation, enthalpy of formation, or standard…

Q: 2.345 g of NH4Cl (MM = 53.19 g/mol) are added to 100.00 mL of water (MM = 18.02 g/mol, density =…

A: Record the given data, The given volume of water is 100 ml The given density of water is 1.00 g/ml

Q: 1. What is the essence of determining the heat capacity of the calorimeter? Is it possible to…

A: 1. To determine the essence of the heat capacity of the calorimeter.

Q: Tetrachloromethane, CC14, is formed from methane and chlorine in the following reaction: CH4 (g) + 4…

Q: Hydrazine, N2 H4, is a colorless liquid used as a rocket fuel. What is the enthalpy change for the…

Q: 3. A 10.0 g sample of pure acetic acid, CH3CO2H, is completely burned. The heat released warms 2.0 L…

Q: An intermediate step in the industrial production of nitric acid involves the reaction of ammonia…

A: Before moving on with the problem, balancing the unbalanced equation is very important- The balance…

Q: The complete combustion of propane in oxygen is represented by the equation C3H8(g) + 5O2(g) →…

A: To determine enthalpy of reaction , enthalpy of formation is required. Enthalpy of formation is…

Q: Calculate the change of enthalpy for the reaction CH4 (g) + NH3 (g) --> HCN (g) +3H2 (g) from the…

A: Calculate:- CH4 (g) + NH3 (g) --> HCN (g) +3H2 (g) Given:- Reaction 1: N2 (g) + 3H2 (g) -->…

Q: What is the enthalpy change of reaction for the following equation? C,H, (g) + H, (g) -→ C,H, (g)…

Q: Hydrazine, N3H4, is a colorless liquid used as a rocket fuel. What is the enthalpy change for the…

A: ΔH is an extensive property....

Q: For the chemical reaction Ca (s) + ½ O₂ (g) → CaO (s) ∆H° = -635 kJ/mol. What is the enthalpy for…

A: Ca (s) + ½ O₂ (g) → CaO (s) ∆H1° .............................(1) 2 CaO (s) → 2 Ca (s) + O₂ (g)…

Q: Given H2(g) + (1/2)02(g)H20(1), AH° = -286 kJ/mol, determine the standard enthalpy change for the…

A: Given data H2(g)+12O2(g)→H2O(l) , ∆H°=-286 KJ/mol To be determine 2 H2O(l)→2 H2(g)+O2(g) , ∆H°=?

Q: Given the standard enthalpy changes for the following two reactions: (1) 2C(s) + 2H2(g) C2H4(g) AH°…

Q: 14.Butane is the liquid found in lighter fluid. If it reacts with oxygen, it can undergo a…

Q: Consider the reaction for the formation of aluminum oxide from aluminum and oxygen. 4 Al(s) + 30,(g)…

Q: (a) What is the value of the standard enthalpy of formationof an element in its most stable form?…

A: At standard condition, the enthalpy (energy) change essential for producing any compound's 1-mole…

Q: 1.) Does the burning of propane in outdoor grill have positive or negative enthalpy of reaction?…

A: Given: Burning of propane in outdoor grill To find: Enthalpy of the reaction will be positive or…

Q: Use standard enthalpies of formation to calculate ΔHrxn∘ for the following reaction:…

A: The reaction given is N2O4 (g) + 4 H2 (g) → N2 (g) + 4 H2O (g) The standard enthalpies of formation…

Q: What is the standard enthalpy change for the reaction? 2NH3(g)→N2H4(1) + H2(g) AH°1 = -543 kJ-mol-1…

Q: D 8. Calculate the enthalpy change for the following reaction given the information below.…

A: Using Hess law for getting answer. Multiplying equation 1 by 6 and add with it equation 2 and that…

Q: E2C.2(b) The standard enthalpy of formation of phenol is -165.0kJ mol. Calculate its standard…

A: Given: Standard enthalpy of formation of phenol = -165.0 kJ/mol The combustion of a compound gives…

Question

send asap

3. Determine the enthalpy change, AH, for the reaction, CS2(1) + 4 O2(g)-
given the following thermochemical equations:
CO2(g) + 2 SO3(g),
-
C(s) + O2(g) CO2(g)
SO2(g) + 2 O2(g) -
C(s) +2 SO2(g)
AH° = -393.5 kJ
So:(g)
CS2(1) + 202 (g)
AH° = -98.9 kJ
>
AH° = +682.6 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

Step 2

Step 3

Step 4

Step 5

Step by step

Solved in 5 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Types of Polymers on the Basis of Physical Properties

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

When 2.50 g of methane burns in oxygen, 125 kJ of heat is produced. What is the enthalpy of combustion per mole of methane under these conditions?
Is the following reaction the appropriate one to use in determining the enthalpy of formation of methane, CH4(g)? Why or why not? C(g)+4H(g)CH4(g)
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.
Assume 200. mL of 0.400 M HCl is mixed with 200. mL of 0.400 M NaOH in a coffee-cup calorimeter The temperature of the solutions before mixing was 25.10 C; after mixing and allowing the reaction to occur, the temperature is 27.78 C. What is the enthalpy change when one mole of acid is neutralized? (Assume that the densities of all solutions are 1.00 g/mL and their specific heat capacities are 4.20 J/g K.)
9.41 Under what conditions does the enthalpy change equal the heat of a process?
A 0.470-g sample of magnesium reacts with 200 g dilute HCl in a coffee-cup calorimeter to form MgCl2(aq) and H2(g). The temperature increases by 10.9 C as the magnesium reacts. Assume that the mixture has the same specific heat as water and a mass of 200 g. (a) Calculate the enthalpy change for the reaction. Is the process exothermic or endothermic? (b) Write the chemical equation and evaluate H.
Use Hesss law to calculate the enthalpy change for the formation of CS2() from C(s) and S(s) [C(s) + 2 S(s) CS2()] from the following enthalpy values. C(s)+O2(g)CO2(g)rH1=393.5kJ/mol-rxnS(s)+O2(g)SO2(g)rH2=296.8kJ/mol-rxnCS2(l)+3O2(g)CO2(g)+2SO2(g)rH3=1103.9kJ/mol-rxn
9.73 Without looking up any numerical data or doing calculations, predict whether the enthalpy change for each of the following reactions should he positive, negative, or zero. (a) H2O(l)H2O(s) (b) N2(g)2N(g) (c) CH4(g)+2O2(g)CO2(g)+2H2O(l) (d) CO2(s)CO2(g)
Another reaction that is used to propel rockets is N2O4(l)+2N2H4(l)3N2(g)+4H2O(g) This reaction has the advantage that neither product is toxic, so no dangerous pollution is released. When the reaction consumes 10.0 g liquid N2O4, it releases 124 kJ of heat. (a) Is the sign of the enthalpy change positive or negative? (b) What is the value of H for the chemical equation if it is understood to be written in molar quantities?
One step in the manufacturing of sulfuric acid is the conversion of SO2(g) to SO3(g). The thermochemical equation for this process is SO2(g)+12O2(g)SO3(g)H=98.9kJ The second step combines the SO3 with H2O to make H2SO4. (a) Calculate the enthalpy change that accompanies the reaction to make 1.00 kg SO3(g). (b) Is heat absorbed or released in this process?
Chloroform, CHCl3, is formed from methane and chlorine in the following reaction. CH4(g) + 3 Cl2(g) 3 HCl(g) + CHCl3(g) Calculate rH, the enthalpy change for this reaction, using the enthalpies of formation of CO2(g), H2O(), CHCI3(g) (fH = 103.1 kJ/mol), and the enthalpy changes for the following reactions: CH4(g) + 2 O2(g) 2 H2O() + CO2(g) rH = 890.4 kJ/mol-rxn 2 HCl(g) H2(g) + Cl2(g) rH = +184.6 kJ/mol-rans
The combustion of 1.00 mol liquid methyl alcohol (CH3OH) in excess oxygen is exothermic, giving 727 kJ of heat. (a) Write the thermochemical equation for this reaction. (b) Calculate the enthalpy change that accompanies the burning 10.0 g methanol. (c) Compare this with the amount of heat produced by 10.0 g octane, C8H18, a component of gasoline (see Exercise 5.41).