Explain a simplified equation for rusting

Assignment Help Chemistry
Reference no: EM13277749

Although the actual process also requires water, a simplified equation for rusting (rust is shown as Fe2O3) is 4Fe(s) + 3O2(g) => 2Fe2O3(s) ?Hrxn = -1.65 x 103 kJ How much heat is evolved when 0.100 kg of iron rusts? a. 7.39 kJ b. 7.39 x 102 kJ c. 2.96 x 103 kJ d. 3.38 kJ e. 1.18 x 104 kJ

Reference no: EM13277749

Questions Cloud

Find the steady state temperature in the plate : the diameter of a semiconductor plate of radius a is kept at 0 degree centigrade and the temperature at the boundry is T degree centigrade. Find the steady state temperature in the plate.
Organizations be concerned about occupational stress : Should organizations be concerned about occupational stress with respect to their employees? What steps could be taken to help or educate employees on this issue?
Describe any compromises or inefficiencies the introduces : Describe how you would use the voltage follower so the output load voltage (as measured with a scope probe) agrees with the value shown on the function generator front panel independent of load impedance. Describe any compromises or inefficiencies..
Organization initiate to better control employee theft-fraud : What actions can an organization initiate to better control employee theft and fraud?
Explain a simplified equation for rusting : Although the actual process also requires water, a simplified equation for rusting (rust is shown as Fe2O3) is 4Fe(s) + 3O2(g) => 2Fe2O3(s) ?Hrxn = -1.65 x 103 kJ How much heat is evolved when 0.100 kg of iron rusts
Make a sketch of the balls trajectory : a ball is thrown horizontally from a 20-m-high building with a speed of 5.0 m/s , Make a sketch of the balls trajectory
Draw a state diagram for an fsm that has an input and output : Draw a state diagram for an FSM that has an input X and an output Y. Whenever X changes from 0 to 1, Y should become 1 for two clock cycles and then return to 0 - even if X is still 1
What are the main purposes of orientation programs : What are the main purposes of orientation programs? What aspects of orientation seem to be the most neglected? Did you have an orientation program at your work? Briefly explain.
Explain oxygen forming carbon dioxide is exothermic : The combustion of carbon with excess oxygen forming carbon dioxide is exothermic. C(s) + O2(g) => CO2(g) ?Hrxn = -393 kJ If 5,284kJ of heat is needed from the combustion, how much carbon (g) must be consumed

Reviews

Write a Review

Chemistry Questions & Answers

  Steps in the mechanism for the following reaction

Show all the steps in the mechanism for the following reaction, When benzene is mixed with deuterated sulfuric acid, deuterium is slowly incorporated onto the ring. Show the mechanism for this reaction and explain how this relates the sulfonation of ..

  Prior to placing piece of metal into the graduated cylinder

This assignment inhibits chemistry Laboratory Questions.

  Write the structures of the saytzeff elimination

Write the structures of the saytzeff elimination

  Calculate ph - chemistry questions

Chemistry Questions on Calculate P H

  How many mols of hydrogen can produce

how many mols of H 2 can produce

  Analysis of corrosion mechanisms

Analysis of corrosion mechanisms and preventative measures

  Chemical and pharmaceutical science

Write an equation for the formation of an acetal from reaction of excess methanol with benzaldehyde in the presence of an acid catalyst.

  Calculate the approximate sulphur

Calculate the approximate SO 2 mass emission in lb/day.

  What is the structure - stereochemistry

What is the structure (including functional groups)? Stereochemistry (racemic or single enantiomer)?

  Design a qualitative analysis scheme

Design a qualitative analysis scheme

  What will be the resultant pressure

What will be the resultant pressure when the stopcock is opened?

  The 1h nmr spectrum

Integrals for some of the resonances in the 1H NMR spectrum are higher than they should be due to the shear number of hydrogens in this compound

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd