Explain what is the gibbs free energty for this reaction

Assignment Help Chemistry

Reference no: EM13183367

1) Given the values of delta H rxn, delta Srxn, and T below, determine delta S unv

Part A

delta H rxn,= 84kJ, delta S rxn, =141J/K, T= 308K

Part B

delta H rxn,=84kJ, delta S rxn, 141J/K, T=755K

Part C

delta H rxn,=84kJ, delta S rxn, = -141J/K, T=308K

Part D

delta H= -84 kJ, delta S= 141J/K, T=395K

Part E

Predict whether or not the reaction in part A will be spontaneous

Part F

Predict whether or not the reaction in part B will be spontaneous

Part G

Predict whether or not the reaction in part C will be spontaneous

Part H

Predict whether or not the reaction in part d will be spontaneous

2) The chemical reaction that causes iron to corrode in air is given by 4Fe +3O2-------- 2Fe2O3 in which delta H rxn= -1684 kJ, delta S rxn= -543.7 kJ

Part A

What is the standard Gibbs free energy for this reaction? Assume the commonly used standard reference temperature of 298K

Part B

What is the Gibbs free energty for this reaction at 3652K? Assume that delta H and delta S do not change with tenperature.

Part C

At what temperature Teq do the forward reverse corrosion occur in equilibruim?

Reference no: EM13183367

Questions Cloud

Explain why is an endpoint volume : In terms of uncertainty, why is an endpoint volume of 9 mL less preferred than an endpoint volume of 35 mL? In terms of uncertainty, why is an endpoint volume of 55 mL less preferred than a volume of 35 mL?

State plants from glucose : In photosynthesis, plants from glucose (C6H12O6) and oxygen from carbon dioxide and water

Balance sheet and a statement of cash flows : Returned $200 of the inventory that it had purchased because the inventory was damaged in transit. The freight company agreed to pay the return freight cost.

What happens if the economy booms : Suppose you are appointed to chair the Federal Reserve. Your twin goals are to maintain low inflation and to stabilize economic activity- that is, to keep output at potential. Why are these appropriate goals for monetary policy?

Explain what is the gibbs free energty for this reaction : What is the standard Gibbs free energy for this reaction? Assume the commonly used standard reference temperature of 298K, What is the Gibbs free energty for this reaction at 3652K? Assume that delta H and delta S do not change with tenperature.

Calculate the optimal number of workers in each sector : where L1 is the number of workers employed in Sector 1 and L2 is the number of workers employed in Sector 2. The total number of workers in the economy is 1,000. The only difference between the sectors is that in Sector 1 workers are paid their ma..

State volumetric flask and dilutes it to the mark : A 10 mL aliquot of a 10 M solution diluted to 250 mL A 25 mL aliquot of a 10 M solution diluted to 250 mL A 57 gram beaker that weighs 82 grams after NaCl is added transfers all of the NaCl into a 100 mL volumetric flask and dilutes it to the mark..

State a compound is known to have a free amino group : A compound is known to have a free amino group with a pKa of 8.8, and one other ionizable group with a pKa between 5 and 7. To 100 mL of a 0.2 M solution of this compound at pH 8.2 was added 40 mL of a solution of 0.2 M hydrochloric acid.

What will be the implications for barmunda : What will be the implications for Barmunda Pty Ltd if it is considered to be a reporting entity and advise the Management Committee of Barmunda Pty Ltd as to whether the company would be considered a reporting entity in accordance

User Account

All Pages