Explain the bulk metal from further corrosion

Assignment Help Chemistry
Reference no: EM13246842

Aluminum forms a layer of aluminum oxide when exposed to air which protects the bulk metal from further corrosion.

4Al(s) + 3O2(g) ? 2Al2O3(s)

Calculate ?G° for this reaction, given that ?G°f of aluminum oxide is -1576.4 kJ/mol.

a. -788.2 kJ/mol

b. 3152.8 kJ/mol

c. -1576.4 kJ/mol

d. -3152.8 kJ/mol

e. 1576.4 kJ/mol

Reference no: EM13246842

Questions Cloud

Calculate a multiple regression : Calculate a regression that examines whether or not you can predict if a student wants a lecturer to be extroverted using the student's extroversion score.
State molecular formula and 1h nmr spectrum : Give the structure that corresponds to the following molecular formula and 1H NMR spectrum: C4H10O2: ? 1.36 (3H, d, J = 5.5 Hz); ? 3.32 (6H, s); ? 4.63 (1H, q, J = 5.5 Hz)
What is the force the pole exerts on the ball : A tetherball leans against the smooth, frictionless post to which it is attached, What is the force the pole exerts on the ball
Determine the rate of return for the project : A new project has the following predicted profits. The initial investment is $3,000,000. Yr Revenue 1 $200,000 2 $400,000 3 $600,000 4 $800,000 5 $1,200,000 6 $1,200,000 7 $1,400,000 8 $1,600,000
Explain the bulk metal from further corrosion : Aluminum forms a layer of aluminum oxide when exposed to air which protects the bulk metal from further corrosion.
Explain the graph of gsystem versus extent of reaction : Consider the graph of Gsystem versus extent of reaction (such as Q). Which of the following represents an irreversible reaction
Calculate all measures of central tendency : Calculate all measures of central tendency and depict what happens before and after the addition of the two transfer students.
What is the change in entropy of the hot reservoir : A certain Carnot engine produces 200 J of work per cycle, what is the change in entropy of the hot reservoir per cycle
Evaluate the conditional formation constant kf : Calculate the conditional formation constant Kf' for the formation of an EDTA complex with copper(II) at a pH of 5.00, if log Kf = 18.80.

Reviews

Write a Review

Chemistry Questions & Answers

  Draw the structures for as well name and classify as primary

Draw the structures for and name and classify as primary, secondary, or tertiary all the isomeric amines

  State name two important forms of injury

Name two important forms of injury from electricity and how to avoid them

  Compute the eocell of the unfavored reaction

determine if a redox reaction would occur if you were to mix them in a single solution. For those pairs of substances that would not react, calculate the EOCELL of the unfavored reaction between the two substances.

  Compute the delta g of a reaction

Calculate the delta G of a reaction at T=25 degrees C that has an equilibrium constant (K) of .56. Is the delta G value negative, positive

  How many moles of h2so4 must be present to react completely

How many moles of H2SO4 must be present to react completely with the NaOH delivered from the buret.

  Determine chemical reaction of naoh in air

A white solid remains in centrifuge tube after acetone extraction-it fizzes when hydrochloric acid is added suggesting sodium carbonate was formed- How did it form? Write a balanced equation for the formation?

  Draw the lewis dot structures for the following molecules

draw the lewis dot structures for the following molecules:

  State effuse as it takes hydrogen under the same conditions

If it takes 4.67 times as long for a particular gas to effuse as it takes hydrogen under the same conditions, what is the molecular mass of the gas?

  Compute the number of moles of naoh

A studet determined the percentage KHP in an impure sample of KHP . a 3.150g sample of impure KHP required 41.50 mL of 0.1352M NaOH solution for titration.1) calculate the number of moles of NaOH required for this titration

  Define the ionization constant for hclo

Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.230 M HClO(aq) with 0.230 M KOH(aq). The ionization constant for HClO can be found here.

  How you would separate the componenets of a mixture

Draw a flow sheet to show how you would separate the componenets of a mixture containing an acid substance,toluic acid, a basic substance, p-bromo-aniline and anthracene, a nuteral substance.

  State the product as well as a fruity medicinal smell

A student heated 1.0L of ethanol (density 0.789 g/L) with 1.0 mL ethanoic acid (density 1.049 g/mL) with a sulfiric acid catalyst and noticed a vinegar-like smell to the product as well as a fruity medicinal smell.

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