2. Calculate A H for 4Fe0(s) + 02(g)2FE203 (s) based on the reactions:6FEO (s) + O2 (g) →2FE3O4 (s)AH, = -3607.2 kJ4FE304 (s) + O2 (g)→ 6FE2O3 (s) AH2 = +3408.3 kJ

Calculate enthalpy of the reaction, 4FeO + O2 -----> 2Fe2O3 ∆Hrxn = ?

Answered: 2. Calculate A H for 4FE0(s) + 02(g) →…

2. Calculate A H for 4FE0(s) + 02(g) → 2Fe203 (s) based on the reactions: 6FEO (s) + O2 (g) →2FE3O4 (s) AH1 = -3607.2 kJ 4Fe304 (s) + O2 (g)→ 6FE2O3 (s) A H2 = +3408.3 kJ

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

Chapter6: Thermochemistry

Section: Chapter Questions

Problem 128CWP: Calculate H for the reaction N2H4(l)+O2(g)N2(g)+2H2O(l) given the following data: Equation H(KJ)...

See similar textbooks

Related questions

Q: For heavier nuclei (Z > 40), which of the following describes the relative number of protons and…

A: Heavier nuclei have atomic number greater than 40. We are given the graph of Number of…

Q: 4. Propose an arrow-pushing mechanism for the following reaction: OH HBr Br CH;OH + H,0

Q: O,N. Br

A: The targeted can be compound synthesized into three steps. Step-1 Benzene reacts with…

Q: What do we mean by the term electronic structure? Select all that apply. a) The arrangement of the…

A: Matter is made up of atoms. Atoms consists of sub atomic particles like electrons , protons and…

Q: 2. Are the following compounds likely to dissociate, partially dissociate, or not dissociate when…

A: The compounds given are a. NaNO3 (s) b. Sucrose, C12H22O11(s) c. Formic acid, HCOOH (l)

Q: Find the standard cell potential for an electrochemical cell with the following cell reaction.…

A: Given, Zn(s) + Cu2+(aq) ------> Zn2+(aq) + Cu(s) Reduction potential, E°Zn2+/Zn = - 0.76 V…

Q: The mole fraction of CaCl2 in an aqueous solution is 0.0724, what is the % mass of CaCl2 in…

A: Given:: Mole fraction of CaCl2=0.0724 Calculate, % mass of CaCl2= ?

Q: 6 Which of the following dienes could react with acrylonitrile (dienophile in the reaction) in a…

Q: POST-LABORATORY QUESTIONS Due after Laboratory Experiment 1. While performing the Dumas experiment,…

A: ¶1):-> Step 1 Dumas experiment is used to determine the molecular weight of a substance which are…

Q: Using the thermodynamic information in the ALEKS Data tab, calculate the standard reaction entropy…

Q: Potassium dichromate is often used to standardize reducing agents like Fe2** Cr207 + 6Fe2+ + 14 H* →…

A: it is an example of redox titration where potassium dichromate is standardized using reducing agents…

Q: Weak base/nucleophile can lead to E1 or SN1 products. CH2 CH, OCH,CH, CH3 CH, Br heat + + CH;CH2OH…

A: Answer: Given reactions are the characteristic reaction of alkyl halides where they form the…

Q: Synthesire the Alwig malecute from benzene. Note assume ortho/para isomers can be separated and…

A: We have to carry out the given synthesis. Also given that the ortho/para isomers are separated.

Q: K.m 10,20,30 and 40 К. ol /hr of a mixture containing mol % of propane, n-butane, n-peutane, and…

A: I think some values are missing,as i have tried this problem.please look it once,I will solve for…

Q: Which among the following is a necessary characteristic of the color change of an indicator?…

A: Let's discuss the colour change of the indicators in titration.

Q: 3. Write a chemical equation using full structures which represents the reaction between acetic acid…

Q: 1. While performing the Dumas experiment, if the outside of the flask were not completely dry (Part…

A: The Dumas experiment is used to determine the molar mass of the liquid compounds (liquid at room…

Q: You have 20.0 mL of a solution that is 0.750 M. What is the new concentration after you add 50.0 mL…

Q: 1. For the following complexes, give the oxidation state and d electron count, a. b. the valence…

A: The oxidation state, d electron count, the valence electron count, the valence electron count and…

Q: Determine the number of grams of H2SO, that would be contained in 800.0 mL of a 1.5 M H2SO4…

Q: A chemist wishing to do an experiment requiring " Ca+ (half-life = 4.5 days) needs 8.0 ug of the…

A: Given, No = 8.0 microgram t1/2 = 4.5 days = 108 h t = 72 h

Q: 4. Balance the following equations (use the oxidation number method): a) MnO4 + Fe* b) HNO; + HS c)…

A: Since you have posted multiple questions, with multiple sub-parts, we will answer the 1st question…

Q: "Supply the missing reactant:

Q: What are the pH and pOH of a solution of 2.0 M HI, which ionizes completely?

Q: 0.456 g of sodium acetate are dissolved into 1 liter of water at 25 degrees celcius. What is the pH…

Q: What is the pKa of a 0.2M solution of an unknown monoprotic acid that has a pH of 4.2?

A: pH= 4.2 Molarity of solution = 0.2 M

Q: Part A The forensic technician at a crime scene has just prepared a luminol stock solution by adding…

Q: An enzyme that catalyzes the reaction of only one substrate is called Stereochemical specificity…

Q: Dimethylamine (CH3)2NH is a weak base with a pKa of 11.0 Calculate the pH of a solution of…

Q: H3C, (а) Br F. and Br CH3 CH3 H3C H H. (b) F and "Br Br CH H. Br Br CH3 (c) and H3C"/ `H CH3 F Br…

Q: After performing precipitation gravimetry, Asta placed the weighing form inside the crucible, heated…

Q: Determine the pH of a 500mL aqueous solution with 0.12 mol B and 0.10 mol BH+, according to the…

A: moles of B = 0.12 moles of BH+ = 0.10 M

Q: What is the balanced equation describing the autoionization of water at any temperature and give the…

A: A question based on stoichiometry that is to be accomplished.

Q: 460 410 360 310 260 210 160 110 60 -10 -510 4 5 10 15 20 25 30 35 40 45 50 55 1/[S] per mM 1. What…

A: Michaelis Menten equation shows the effect of the concentration of the substrate on the rate of an…

Q: Give the clear handwritten answer..

Q: An oxidizing agent will Select one: a. lose electrons b. increase in oxidation number c. increase…

A: Oxidizing agents are those compounds that oxidize other compounds present in solution and itself…

Q: Describe the preparation of a. 2.00 L of 0.120 M HCIO4 from the commercial reagent [60% HCIO4 (w/w),…

Q: to cysteine residues in protein active sites. What glycolytic enzyme would be affected? As a result,…

A: A)In the range of metal concentrations analysed we found that only hexokinase and…

Q: following materials: 2. Cao (b) MnS (c) KBr (d) CsBr b. Justify your selections. Table 1: Ionic…

A: a) In{\rm{CsI}}CaO, Ca2+ is cation and {{\rm{I}}^{\,{\rm{ - }}}}O2− is the anion. Obtain ionic…

Q: Complete the following nuclear bombardment equation by filling in the nuclear symbol for the missing…

Q: Calculate AA'R and AG'R for the reaction CEH6() + 15/2 O2(g) - 6CO2(9) + 3H2O() at 298 K from the…

Q: For the reaction C(s) + H20 (g) – CO(g) + H2 (g) AH° = 131.3 kJ/mol and AS° = 133.6 J/mol-Kat 298 K.…

Q: 2. Are the following compounds likely to dissociate, partially dissociate, or not dissociate when…

A: There are different type of substances with different physical and chemical properties. Dissolution…

Q: lear fission reaction? teps s is to treat the balance of the mass numbers and atomic numbers…

A: In the nuclear reaction , Mass number and atomic number are balanced. Balanced nuclear reaction,…

Q: Calculate the volume of a unit cell of Nickel in nm3. The volume of unit cell of Nickel is…

Q: Calculate the binding energy per nucleon for the 2Fe nucleus. (Atomic masses: iron-56 = 55.9349 amu;…

Q: 4. Potassium dichromate is often used to standardize reducing agents like Fe2+: Cr:0, + 6Fe +14 H*…

A: Given data,Volume of Fe2+=34.00mL=0.034LMass of K2Cr2O7=398.5mg=0.3985gMolar mass of…

Q: which factor is responsible for inhibition enzymatic process during feed back? O Enzymes O End…

A: As per bartleby guidelines I answered only first question so please don't mind.Thanks in advance.

Q: Select the isotope deuterium, 2H. What is the relative mass loss of deuterium, 2H, in g/mol?

Q: The decomposition of NO2(g) : 2NO2(g) ----->2NO(g) +O(g) is a second order reaction and the rate…

Question

2. Calculate A H for 4Fe0(s) + 02(g)
2FE203 (s) based on the reactions:
6FEO (s) + O2 (g) →2FE3O4 (s)
AH, = -3607.2 kJ
4FE304 (s) + O2 (g)→ 6FE2O3 (s) AH2 = +3408.3 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 by step

Solved in 4 steps

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

When lightning strikes, the energy can force atmospheric nitrogen and oxygen to react to make NO: N2(g)+O2(g)2NO(g)H=+181.8kJ (a) Is this reaction endothermic or exothermic? (b) What quantities of reactants and products are assumed if H = +181.8 kJ? (c) What is the enthalpy change when 3.50 g nitrogen is reacted with excess O2(g)?
A 50-mL solution of a dilute AgNO3 solution is added to 100 mL of a base solution in a coffee-cup calorimeter. As Ag2O(s) precipitates, the temperature of the solution increases from 23.78 C to 25.19 C. Assuming that the mixture has the same specific heat as water and a mass of 150 g, calculate the heat q. Is the precipitation reaction exothermic or endothermic?
The thermochemical equation for the burning of methane, the main component of natural gas, is CH4(g)+2O2(g)CO2(g)+2H2O(l)H=890kJ (a) Is this reaction endothermic or exothermic? (b) What quantities of reactants and products are assumed if H = 890 kJ? (c) What is the enthalpy change when 1.00 g methane burns in an excess of oxygen?
A 29.1-mL sample of 1.05 M KOH is mixed with 20.9 mL of 1.07 M HBr in a coffee-cup calorimeter (see Section 6.6 of your text for a description of a coffee-cup calorimeter). The enthalpy of the reaction, written with the lowest whole-number coefficients, is 55.8 kJ. Both solutions are at 21.8C prior to mixing and reacting. What is the final temperature of the reaction mixture? When solving this problem, assume that no heat is lost from the calorimeter to the surroundings, the density of all solutions is 1.00 g/mL, and volumes are additive.
A 21.3-mL sample of 0.977 M NaOH is mixed with 29.5 mL of 0.918 M HCl in a coffee-cup calorimeter (see Section 6.6 of your text for a description of a coffee-cup calorimeter). The enthalpy of the reaction, written with the lowest whole-number coefficients, is 55.8 kJ. Both solutions are at 19.6C prior to mixing and reacting. What is the final temperature of the reaction mixture? When solving this problem, assume that no heat is lost from the calorimeter to the surroundings, the density of all solutions is 1.00 g/mL, the specific heat of all solutions is the same as that of water, and volumes are additive.
What mass of acetylene, C2H2(g), must be burned to produce 3420 kJ of heat, given that its enthalpy of combustion is 1301 kJ/mol? Compare this with the answer to Exercise 5.91 and determine which substance produces more heat per gram.
When one mol of KOH is neutralized by sulfuric acid, q=56 kJ. (This is called the heat of neutralization.) At 23.7C, 25.0 mL of 0.475 M H2SO4 is neutralized by 0.613 M KOH in a coffee-cup calorimeter. Assume that the specific heat of all solutions is 4.18J/gC, that the density of all solutions is 1.00 g/mL, and that volumes are additive. (a) How many mL of KOH is required to neutralize H2SO4? (b) What is the final temperature of the solution?
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?
A piece of lead of mass 121.6 g was heated by an electrical coil. From the resistance of the coil, the current, and the Time the current flowed, it was calculated that 235 J of heat was added to the lead. The temperature of the lead rose from 20.4C to 35.5C. What is the specific heat of the lead?
How much will the temperature of a cup (180 g) of coffee at 95 C be reduced when a 45 g silver spoon (specific heat 0.24 J/g C) at 25 C is placed in the coffee and the two are allowed to reach the same temperature? Assume that the coffee has the same density and specific heat as water.
Using the data in Appendix G, calculate the standard enthalpy change for each of the following reactions: (a) Si(s)+2F2(g)SiF4(g) (b) 2C(s)+2H2(g)+O2(g)CH3CO2H(l) (c) CH4(g)+N2(g)HCN(g)+NH3(g) ; (d) CS2(g)+3Cl2(g)CCl4(g)+S2Cl2(g)
How much heat is produced when loo mL of 0.250 M HCl (density, 1.00 g/mL) and 200 mL of 0.150 M NaOH (density, 1.00 g/mL) are mixed? HCl(aq)+NaO(aq)NaCl(aq)+H2O(l)H298=58kJ If both solutions are at the same temperature and the heat capacity of the products is 4.19 J/g C, how much will the temperature increase? What assumption did you make in your calculation?