Question

A chemist measures the enthalpy change ΔH during the following reaction: 2Al (s) + Fe2O3 (s)...

A chemist measures the enthalpy change ΔH during the following reaction: 2Al (s) + Fe2O3 (s) → Al2O3 (s) + 2Fe (s) =ΔH−852.kJ

Use this information to calculate ΔH in kJ for the following reactions:

3Al2O3s + 6Fes → 6Als + 3Fe2O3s

Al2O3s + 2Fes → 2Als + Fe2O3s

4Als + 2Fe2O3s → 2Al2O3s + 4Fes

Science   Chemistry   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Calculate the standard enthalpy change for the reaction 2 Al(s) + Fe2O3(s)                               
Calculate the standard enthalpy change for the reaction 2 Al(s) + Fe2O3(s)                                           2 Fe(s) + Al2O3(s)   Given that 2 Al(s) +   3/2 O2 (g)                             Al2O3(s)     ΔH rxn = -1669.8 kJ/mol 2 Fe (s)     +    3/2 O2 (g)                              Fe2O3(s)    ΔH rxn = -822.2 kJ/mol
Calculate ΔHrxn for the following reaction: Fe2O3(s)+3CO(g)→2Fe(s)+3CO2(g) Use the following reactions and given ΔH′s. 2Fe(s)+3/2O2(g)→Fe2O3(s), ΔH...
Calculate ΔHrxn for the following reaction: Fe2O3(s)+3CO(g)→2Fe(s)+3CO2(g) Use the following reactions and given ΔH′s. 2Fe(s)+3/2O2(g)→Fe2O3(s), ΔH = -824.2 kJ CO(g)+1/2O2(g)→CO2(g), ΔH = -282.7 kJ
Given that: 2Al(s) + 3/2O2(g) --> Al2O3(s) Delta H degrees rxn =-1601kJ/mol and 2Fe(s) + 3/2O2(g)...
Given that: 2Al(s) + 3/2O2(g) --> Al2O3(s) Delta H degrees rxn =-1601kJ/mol and 2Fe(s) + 3/2O2(g) --> Fe2O3(s) Delta H degrees rxn =-821kJ/mol Calculate the standard enthalpy change for the following reaction: 2Al(s) + Fe2O3(s) --> 2Fe(s) + Al2O3(s) Answer in scientific notation
1. Refer to this equation: 2CaCO3 (s) —> 2CaO (s) + 2CO2 (g) Enthalpy change =...
1. Refer to this equation: 2CaCO3 (s) —> 2CaO (s) + 2CO2 (g) Enthalpy change = -178.1 kJ/ mol reaction How many grams of CaCo3 must react in order to liberate 545 kJ of heat? 2. Refer to this equation: 2Al (s) + Fe2O3 (s) —> 2Fe (s) + Al2O3 (s) Enthalpy change = -847.6 kJ/ mol reaction How much heat is released if 35.0 g of Al (s) reacts to completion?
What is the enthalpy change for the first reaction? P4(s) + 6Cl2(g) → 4PCl3(l) ΔH =...
What is the enthalpy change for the first reaction? P4(s) + 6Cl2(g) → 4PCl3(l) ΔH = P4(s) + 10Cl2(g) → 4PCl5(s) ΔH = -1,779.8 PCl3(l) + Cl2 → PCl5(s) ΔH = -123.3 question 2 What is the enthalpy change for the first reaction? Fe2O3(s) → 2Fe(s) + 3/2O2(g) ΔH = 4Fe(s) + 3O2(g) → 2Fe2O3 (s) ΔH = -1,645 kJ Help me understand, please
Given the following reactions: Question (1) Calculate for the change in enthalpy of the reaction of...
Given the following reactions: Question (1) Calculate for the change in enthalpy of the reaction of (3Fe2O3(s) + CO(g) yields CO2(g) + 2Fe3O4(s)) Fe2O3(s) + 3CO(g) yields 2Fe(s) + 3CO2(s)(Change in enthalpy= -28.0 kJ) 3Fe(s) + 4CO2(s) yields 4CO(g) + FE3O4(s) (Change in enthalpy= +12.5 kJ)
Calculate the enthalpy of reaction for the following reaction: Fe2O3(s) + 3CO(g) → 2Fe(s) + 3CO2(g)...
Calculate the enthalpy of reaction for the following reaction: Fe2O3(s) + 3CO(g) → 2Fe(s) + 3CO2(g) ΔHfo(Fe2O3(s)) = -824.2 kJ/mol ΔHfo(CO(g)) = -110.5 ΔHfo(Fe(s)) = ? ΔHfo(CO2(g)) = -393.5 kJ/mol
How much energy is evolved during the reaction of 48.7 g of Al, according to the...
How much energy is evolved during the reaction of 48.7 g of Al, according to the reaction below? Assume that there is excess Fe2O3. Fe2O3(s) + 2 Al(s) → Al2O3(s) + 2 Fe(s) ΔH°rxn = -852 kJ How much energy is evolved during the reaction of 48.7 g of Al, according to the reaction below? Assume that there is excess Fe2O3. Fe2O3(s) + 2 Al(s) → Al2O3(s) + 2 Fe(s) ΔH°rxn = -852 kJ 207 kJ 241 kJ 415 kJ...
The thermite reaction is 2Al + Fe2O3 --> 2Fe + Al2O3; H= -846.6 kJ How much...
The thermite reaction is 2Al + Fe2O3 --> 2Fe + Al2O3; H= -846.6 kJ How much heat is produced (in kJ, include negative sign in answer) from 23.8 g of aluminum ? (assume excess iron(III) oxide).
25. Calculate the standard enthalpy change for the following chemical equation. 4FeO (s) + O2 (g)...
25. Calculate the standard enthalpy change for the following chemical equation. 4FeO (s) + O2 (g) → 2Fe2O3 (s) Use the following thermochemical equations to solve for the change in enthalpy. Fe (s) + ½ O2 (g) → FeO (s)   ΔH = -269 kJ/mol 2Fe (s) + 3/2 O2 (g) → Fe2O3 (s)                  ΔH = -825 kJ/mol -2726 kJ/mol 556 kJ/mol -556 kJ/mol 574 kJ/mol -574 kJ/mol
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT