Chemistry, 24.04.2020 18:16 uliseshinojosa8
Consider the titration of 25 mL of 0.0500 M Sn2 with 0.100 M Fe3 in 1 M HCl to give Fe2 and Sn4 , using Pt indicator electrode and saturated calomel electrode (SCE) . The titration reaction: Sn to the power of 2 plus end exponent plus 2 Fe to the power of 3 plus end exponent space rightwards harpoon over leftwards harpoon space Sn to the power of 4 plus end exponent space plus space 2 Fe to the power of 2 plus end exponent Half-reactions for the indicator electrode: Fe to the power of 3 plus end exponent space plus space straight e to the power of minus space rightwards harpoon over leftwards harpoon space Fe to the power of 2 plus end exponent E to the power of ring operator space equals space 0.732 space straight V Sn to the power of 4 plus end exponent plus 2 straight e to the power of minus space rightwards harpoon over leftwards harpoon space Sn to the power of 2 plus end exponent E to the power of ring operator space equals space 0.139 space straight V SCE electrode potential ESCE
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Chemistry, 21.06.2019 20:30
14. complete and balance the equations for the single displacement reactions. a. zn + pb(no3)2 -> b. al + niso4 -> 15. complete and balance the equations for the double displacement reactions. a. agno3(aq) + nacl(aq) -> b. mg(no3)2(aq) + koh(aq) -> 16. complete and balance the equations for the combustion reactions. a. __ ch4 + o2 -> b. __ c3h6 + o2 -> c. + o2 ->
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Chemistry, 22.06.2019 19:10
How does the atmosphere to make earth livable? check all that apply. causes the seasons contains oxygen provides warmth creates important nutrients blocks harmful energy from the sun plz like !
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Chemistry, 22.06.2019 19:30
Chlorine and water react to form hydrogen chloride and oxygen, like this: 2cl2 (g) + 2h2o (g) → 4hcl (g) + o2 (g) also, a chemist finds that at a certain temperature the equilibrium mixture of chlorine, water, hydrogen chloride, and oxygen has the following composition: compound concentration at equilibrium cl2 0.55m h2o 0.57m hcl 0.53m o2 0.34m calculate the value of the equilibrium constant kc for this reaction. round your answer to 2 significant digits.
Answers: 2
Consider the titration of 25 mL of 0.0500 M Sn2 with 0.100 M Fe3 in 1 M HCl to give Fe2 and Sn4 , us...
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