Determine the amount of heat (in kJ) released or absorbed when 20 7 g iron (MM = 55.85 gimol) reacts according to the thermochemical equation below2Fe (a) 02 (a) - 2Fe0 (s) AH = -2720 kJReport your answer to one decimal place Do not input a unit. If your value is negative, please insert a (-) sign1.

Given that: Enthalpy change for reaction (∆H) = - 272.0 KJ…

Determine the amount of heat (in kJ) released or absorbed when 20 7 g iron (MM = 55.85 gimol) reacts according to the themochemical equation below. 2Fe () 02 (a)- 2Fe0 (s) AH = -2720 kJ Report your answer to one decimal place. Do not input a unit. If your value is negative, please insert a (-) sign

Determine the amount of heat (in kJ) released or absorbed when 20 7 g iron (MM = 55.85 gimol) reacts according to the themochemical equation below. 2Fe () 02 (a)- 2Fe0 (s) AH = -2720 kJ Report your answer to one decimal place. Do not input a unit. If your value is negative, please insert a (-) sign

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: Calculate the molar heat capacity of aluminum. 5.0 g block of metal at 99.5 °C was dropped into…

A: Cal/g.K is the units for specific heat capacity.

Q: ces to access important values if needed for this question. When N₂(g) reacts with O₂(g) to form…

A: Answer:It is the representation of a chemical reaction taking place in which atoms of each type are…

Q: How to solve this question

A: Balanced chemical equation2CH3OHg→2CH4g+O2g ∆H=252.8 KjAccording to…

Q: The reaction between hydrogen and oxygen to yield water vapor has AH =-484kJ: 2H2(g) + O2(g)…

A: Reaction equation is2H2(g) + O2(g) -----> 2H2O(g)ΔH°= - 484kJRequired: ΔE°= ? kJRelationship…

Q: Calculate AH from the given reaction given the following thermochemical equations. Tell whether the…

A: The given chemical equations is as follows: HCl(g) + NaNO2(s) → HNO2(l) + NaCl(s)…

Q: 5(d)

A: (a) The solution has 100 mL of acid and 100 mL of base. Thus, the total volume of the solution is…

Q: Use the heat equation to calculate the energy, in joules and calories, for each of the following…

Q: I need help with calculating the net change of enthalpy heat. The question is as follows, Nitric…

A: Note: In the first step two moles ammonia (NH3) is formed Given reactions are shown below,…

Q: Use the References to access important values if needed for this question. The standard enthalpy…

Q: The enthalpy change for the following reaction is -58.1 kJ/mol A(s)+2B(g)+D(g) → C(g) Determine the…

A: For the reaction:A(s) + 2B(g) + D(g) C(g)Enthalpy change for the reaction (ΔHreaction) = -58.1…

Q: 10. Methyl ethyl ketone, CH,COC,H, (1), is the solvent in most nail polish removers. The standard…

A: The relation to determine the standard change in enthalpy of the reaction is shown below.…

Q: What is the AH°rxn (kJ) for the reaction when 5.75 g of Ba(s) reacts completely with oxygen to form…

Q: What is the change in internal energy of the system (AU) when 105 of work is done on the system…

A: ∆U = q+ W where ∆U is change in internal energy,q is heat and W us work done

Q: A 30.5 gram sample of an alloy at 93.0 C is placed into 50.0 grams of water at 22.0 C in an…

A: Given, 30.5-gram sample of an alloy at 93.0 C is placed into 50.0 grams of water at 22.0 C in an…

Q: A student heats 84.17mL of water to 95.27°C using a hot plate. The heated water is added to a…

A: At thermal equilibrium Heat loss by hot water = heat gain by cold water + heat gain by…

Q: 59. In a coffee-cup calorimeter, 50.0 mL of 0.100 M AgNO3 and 50.0 mL of 0.100 M HCl are mixed to…

Q: Using the Table of Thermodynamic Values, determine the change in enthalpy (kJ) for the following…

A: Answer :- ∆H° =-99.9 (kJ)] The change in enthalpy for the given reaction = -99.9 kJ/mol…

Q: 9. A piece of tin (specific heat 0.222 J/g*C) with an initial temperature of 80.0°C is placed in…

Q: How many kJ of energy is produced* during the formation of 43.4 g of Fe, according to the reaction…

Q: When 0.257 g of sodium metal is added to an excess of hydrochloric acid, 2670 J of heat are…

A: Given amount of sodium metal reacts with excess of hydrochloric acid produces 2670 J of heat.we are…

Q: How many grams of ethylene (C2H4) would have to be burned to produce 450 kJ of heat? C2H4(g) +…

A: Given :- C2H4(g) + 3O2(g) →2CO2(g) + H2O(l) ∆H°rxn = -1411 kJ/mol To calculate :- amount of C2H4…

Q: The following thermochemical equation is for the reaction of Fe3O4(s) with hydrogen(g) to form…

Q: A 36.0 g piece of copper metal is initially at 100.0°C. It is dropped into a coffee cup calorimeter…

Q: Given the following data, calculate the specific heat of the metal (Cs, metal) in J/(g-°C) to one…

A: When hot metal is poured into the calorimeter, the metal releases heat, and the calorimeter gains…

Q: QUESTIONS: (a) Show that the equations given in the discussion section of this experiment in the lab…

Q: Is the reaction exothermic or endothermic will any he be released or absorbed. If you said heat will…

A: Given:Mass of CH4 = 87.8 g.Chemical reaction:

Q: Calculate the heat in kJ of combusting 1.0000 mol of cetane (C₁₆H₃₄), an analogous component in…

Q: When equal masses of each of the metals in the answers below absorb equal amounts of heat, which…

Q: A simple method for the laboratory preparation of hydrogen involves reaction of zinc with…

A: Using given information first calculate the moles of H2. PV=nRTn=PVRT=0.8731atm×0.7891L0.08206…

Q: Propane, C3H8 (approximate molar mass = 44 g/mol) is used in gas barbeques and burns according to…

A: Given: Combustion reaction of propane (C3H8) as follows: C3H8 (g) + 5 O2 (g) → 3CO2 (g) + 4H2O (g)…

Q: The specific heat of a certain type of metal is 0.128 J/(g.°C). What is the final temperature if 305…

A: The formula of heat gained is as follows, ∆E=m×c×∆T…

Q: f 1.005 moles of nitric acid are completely neutralized by an equivalent number of moles of sodium…

A: Given reaction : HNO3 + NaOH -------> NaNO3 + H2O ΔHrxn = -57.3 kJ/mol

Q: Calculate DE, and determine whether the process is endothermic or exothermic for the following…

Q: What would the final temperature of a 11.081 g sample of a metal be if the sample absorbed 524.9 J…

Q: The enthalpy change when a strong acid is neutralized by strong base is -50.11 kJ/mol. If 10.47mL of…

Q: Calculate the specific heat of copper (Cu) in J/ °C•g if the temperature change of a 9.250 g of…

A: Applying formula is q = mCdT where q is heat energy, m= mass , C = specific heat , dT = change in…

Q: Considering the reaction given below, what volume of ethanol (d= 0.79g/mL)is required to produce 250…

A: We have reaction of ethanol combustion producing the 1370 KJ of heat . We have to calculate the…

Q: In the following reaction: C_{2}*H_{3}*OH + 3O_{2} -> 2C*O_{2} + 3H_{2}*O the enthalpy change of the…

Q: Please assist me with my practice question. The combustion of butane is shown by the following…

A: heat of the reaction can be found by summing up the given reaction in such a way that it can give…

Q: C. Ex: Calculate the heat produced by reacting 12.6 g of hydrogen peroxide, H,02. 2 H2O2(aq) → 2…

Question

100%

Determine the amount of heat (in kJ) released or absorbed when 20 7 g iron (MM = 55.85 gimol) reacts according to the thermochemical equation below
2Fe (a) 02 (a) - 2Fe0 (s) AH = -2720 kJ
Report your answer to one decimal place Do not input a unit. If your value is negative, please insert a (-) sign
1.

Expert Solution

This question has been solved!

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

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 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

How I solve this issue
Fu 3. Calculate the heat, in J, required to heat 3.00 g of ethane from 10.0 °C to 15.0 °C. The specific heat of ethane is 1.75 J/g°C; you may find the equation q = mcAT helpful. 4. If 10 J of energy the system, the value will be negative (-10 J); if energy the system, the value will be positive (+10 J).
When ammonia is oxidized it produces nitrogen monoxide and heat: 4NH3(g)+ 5O2(g)--> 4NO(g) +6H2O(g) "Triangle symbol"H degrees= -906kJ (a) Is the reaction endothermic or exothermic? Explain your answer. (b) If the reaction is carried out in a bomb calorimeter, will the temperature of the calorimeter increase or decrease? Explain your answer. (c) Is the internal energy of the products or reactants higher? Explain your answer.
Calculate the heat of neutralization for limewater, Ca(OH):(aq), and hydrochloric acid, HCl: Ca(OH):(aq) + 2 HCl(aq) → CaCl:(aq) + 2 H¿O(1) AH° = ? using Hess's Law and the three thermochemical equations below. Show work. (1) СаО(s) + 2 HС(аq) > СаСl,(аq) + H.О(1) (2) СаО(s) + H:0(1) > Са(ОН):(s) (3) Са(ОН):(s) watery Ca(ОH):(аq) AH° = - 186 kJ AH° = - 62 kJ AH° = - 13 kJ
Select the statement that is not supported by the following equation: q=0=(mwater)(cwater)( ΔTwater)+(mmetal)(cmetal)( ΔTmetal) The total change in heat is the sum of the changes in heat of water and a metal Energy is conserved. Energy is transferred between water and a metal. Energy is lost during a calorimetry experiment.
9,8
An 27.301g piece of metal is heated in a hot water bath at 98.5°C and then transferred to a coffee-cup calorimeter containing 50.0mL of water. The initial water temperature was 24.0°C and the final water temperature was 26.2°C. Determine the specific heat of the metal (Cmetal). Ccal = 21.0J/°C & Cwater = 4.184 J/g*°C. Report your answer to 3 sf and in J/g*°C. %3D
thermochemical reactions:Please answer and write your solutions clearly! Ty.
4) A 154.11 gtsample of concrete, with a specific heat capacity of 0.88 J/(g*•C), initially has a temperature of 22.4 °C. If 841.50 J of energy is released from the sample: a) Determine the change in temperature, in oC (do not round). [A3] b) Determine the anticipated final temperature, in C (round to 2 decimal places). [A2]
Topic: Hess LawHi! please answer and write your solutions clearly. Thank you!
urgent
35 of 35 > Macmillan Learning When 0.794 g of sodium metal is added to an excess of hydrochloric acid, 8250 J of heat are produced. What is the enthalpy of the reaction as written? 2 Na(s) + 2HCl(aq) Enthalpy of reaction: 2 NaCl(aq) + H₂(g) kJ