We use cookies to give you the best experience possible. By continuing we’ll assume you’re on board with our cookie policy

See Pricing

What's Your Topic?

Hire a Professional Writer Now

The input space is limited by 250 symbols

What's Your Deadline?

Choose 3 Hours or More.
Back
2/4 steps

How Many Pages?

Back
3/4 steps

Sign Up and See Pricing

"You must agree to out terms of services and privacy policy"
Back
Get Offer

Chemical Equlilbria Research Paper Work to Essay

Hire a Professional Writer Now

The input space is limited by 250 symbols

Deadline:2 days left
"You must agree to out terms of services and privacy policy"
Write my paper

Chemical Equlilbria Essay, Research Paper

Work to be done: *By experiments find out how chemical equilibria works. Chemicals and setup: *Two beakers *Five test-tubes *Kaliumtiocyanat, KSCN *0.002M Kaliumtiocyanatsolution, KSCN + H2O *Dinatriumfosfat, Na2HPO4 *0.002M Iron ( III ) nitratesolution, FeNO3 *0.2M Silvernitratesolution, AgNO3Lab: Lab 1 One test-tubes is filled half of distilled H2O ( A ) and another with kaliumtiocyanatsolution ( B ) . Both solutions are colourless. Solution ( B ) contains SCN- . I add five beads of Fe ( III ) nitratesolution to both test-tubes and the kaliumtiocyanatsolution turns dark-red.

Don't use plagiarized sources. Get Your Custom Essay on
Chemical Equlilbria Research Paper Work to
Just from $13,9/Page
Get custom paper

The account is that there has been a reaction in solution ( B ) , Fe3+ + SCN- & # 224 ; FeSCN2+ , where FeSCN2+ has a dark-red colour. Lab 2 The solution in test-tube ( B ) is placed in five other test-tubes. I will now execute four different experiment and so compare with the original solution, and therefor I label the test-tubes a, B, degree Celsius, vitamin D and e.In test-tube ( a ) I add some KSCN ( Adams ) and therefor raise the concentration of SCN- in the solution.

The seeable alteration is that the solution bend darker red. And since FeSCN2+ is ruddy, the decision is that the solution contains more

FeSCN2+.To test-tube (c) I add some FeNO3 and the concentration of Fe3+ is increased and the solution turns darker red a the concentration of FeSCN2+ is higher. Since no more SCN- has been added the ratio Fe3+ and SCN- must be in equilibrium. The solution now contains Fe3+, SCN-, FeSCN2+, NO3- and K+.To test-tube (d) I add five drops of silvernitrate, AgNO3, and the solution is turning brighter – the concentration of FeSCN2+ must decrease. There seems to be a fight about the SCN-ions, both Ag+ and Fe3+ want them, but the Ag+ions seems to win and form a salt, AgSCN, that is hard diluted in water. The effect is, as described earlier, that the concentration of FeSCN- has decreased and the color of the solution is lighter red. The reaction formula is Fe3+ + SCN- a FeSCN2+, the reaction is to the left and the reaction is reversible.In the last test-tube I add some dinatriumhydrofosphate, Na2HPO4, and the solution becomes colorless, there is no more FeSCN2+. The concentration of Fe3+ has decreased. In the reaction Fe3+ + SCN- a FeSCN2+, the reaction is to the left. CONCLUSION: In the reactions above I have changed the equilibrium by changing the concentration of different substances.

Cite this Chemical Equlilbria Research Paper Work to Essay

Chemical Equlilbria Research Paper Work to Essay. (2018, May 12). Retrieved from https://graduateway.com/chemical-equlilbria-essay-research-paper-work-to/

Show less
  • Use multiple resourses when assembling your essay
  • Get help form professional writers when not sure you can do it yourself
  • Use Plagiarism Checker to double check your essay
  • Do not copy and paste free to download essays
Get plagiarism free essay

Search for essay samples now

Haven't found the Essay You Want?

Get my paper now

For Only $13.90/page