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Chemistry

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How does a buffer work

What happens in a neutralization reaction

What is a conjugate acid-base pair

Why is water considered to be neutral

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Q: Can Zn replace Cd in a solution CdSO4?
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What happens when Zn strip is dipped in CuSO4 solution?

Zn has a lower reduction potential than Cu and so the Zn will be oxidized (lose electrons) to become Zn^2+ and the Cu^2+ in solution will be reduced (gain electrons) to become Cu(s).


Which elements have s2d10 as the outer configuration?

Zn, Cd, Hg, Uub


What is the chemical symbol for iron and zinc nitrate solution?

Zn(NO3)2


Why does ag not reaplace zn form znso4 solution?

You should have somewhere a list called the Activity Series. Zinc is a more active metal than silver, meaning that zinc will replace silver in a compound, but silver will not replace zinc.


What is the formula for sphalerite?

(Zn,Fe)S ; (Zn,Fe,Mg,Mn,Cd,In,Ga)S Source: http://www.minerals.net/mineral/sulfides/sphaleri/sphaleri.htm


Hydrochloric acid is added to a sodium carbonate solution?

Zn(s)+2AgNO3(aq)---> Zn(NO3)2(aq)+2Ag(s) There is no reaction...


What is the net equation for zinc chloride solution is poured into a solution of ammonium carbonate?

Zn(+2) + CO3(-2) -----------ZnCO3


What is the ZnSO4 in aqueous solution?

ZnSO4 (zinc sulfate) in aqueous solution ionizes to form zinc cations (Zn^2+) and sulfate anions (SO4^2). Thus, ZnSO4 ---> Zn^2+(aq) + SO4^2-(aq)


What is the pH of a saturated zinc hydroxide solution?

The pH of a saturates zinc hydroxide solution is 8.64. To find this in the future the formula is, Zn(OH)2 has Ksp = 4.1x10-17 Zn(OH)2 = > Zn2+ + 2OH-.


What are the 8 essential metals in your body?

Mg, Mn, Co, Ca, Cd, Fe, Zn, Se


Estimation of the amount of Zn present in the given solution of ZnCl2 using 0.01M EDTA solution.?

The amount of zinc is 0,01 moles.


What would happen if you added iron to a solution of zinc sulphate?

No reaction will happen. This is because, Fe is less reactive than Zn and so is unable to displace Zn from ZnSO4 solution. This reverse condition will have hold true. This means the following reaction can take place. Zn + FeSO4 ---> ZnSO4 + Fe


What will happen when you place a piece of iron in a solution of zinc sulphate?

Fe + ZnSO4 ---> Zn + FeSO4


Does nickel chloride and zinc react?

Yes, it forms nickel,which will probably appear as a gray magnetic precipitate, and zinc chloride, which will be a colorless solution. NiCl2 + Zn --> Zn + NiCl2


Three transition elements in group 12 of the periodic table are?

Zinc (Zn), Cadmium (Cd), Mercury (Hg)


What are the three transition elements in group 12 of the periodic table?

These are Zinc(Zn), Cadmium(Cd) and Mercury(Hg)


Why is copper unable to displace zinc from zinc sulphate solution?

Cu is unable to displace Zn in a zinc sulphate solution because Zn is more reactive than copper and therefore has greater reducing abilities since it easily donates electrons :)


What is the reaction of ZnSO4 and Cu?

Zn is more reactive than is Cu, so it will replace the Cu. Thus, the reaction isZnSO4 + Cu ==> CuSO4 + Zn. This is an oxidation/reduction reaction.


How do you calculate the value of the equilibrium constant for the reaction of zinc metal in a solution of silver nitrate at 25C?

Zn + 2AgNO3 --> Zn(NO3)2 + 2Ag Keq = [Zn(NO3)2][Ag]^2/[Zn][AgNO3]^2 You need concentrations to calculate the Keq Answer from: http://answers.yahoo.com/question/index?qid=20090210150755AAmWI7s


What is the Lewis dot structure for Zn?

Zn:*Zn *for more info: http://www.chemicalaid.com/element.php?symbol=Zn


Is Mg a stronger reducing agent than Zn why?

Yes it is... Practically, mix this two metals with HCl solution in different tubes and you will see how Mg reacts more rapidly than Zn. Besides, the Electromotive Series tells you than Mg is more active than Zn.


How can you identify Copper Nitrate CuNO32solution Zinc Nitrate ZnNO32 solution and Tin Nitrate SnNO32 solution using two metals?

Zinc is most reactive of the three. So if you put a piece of zinc metal to the three solution you will observe, In the Zinc nitrate solution there is no reaction while others have. As zinc is most reactive of three, in will displace the respective metals out of their solution. If the zinc is coated with reddish covering, it is Copper nitrate. If is coated with silvery needles, the solution is Tin nitrate.Zn + Cu(NO3)2 ----> Cu + Zn(NO3)2Zn + Sn(NO3)2 ----> Sn + Zn(NO3)2Zn + Zn(NO3)2 ----> [No reaction]


If 2g of zn react with 1.75g of cuso4 how many grams of zn will?

Zn + CuSO4 --> ZnSO4 + Cu 1.75g CuSO4 * (1moleCuSO4/159.62gCuSO4) * (1moleZn/1moleCuSO4) * (65.38gZn/1moleZn) = .7168g Zn 2.00g Zn - .7168g Zn = 1.2832g Zn in Excess


Zinc metal reacts with aq hydrochloric acid?

Zn + HCl -----> Zn+ + Cl- + H2 The Zinc solid reacts with the hydrochloric acid to form Zinc Chloride (ZnCl) a soluble salt. In the reaction solution it appears that the Zinc is disappearing but it is actually becoming part of the solution in the form of ions.


Half-cell reactions when metallic zinc is dipped into a solution of copper sulphate?

Zn(s) + CuSO4(aq) --> ZnSO4(aq) + Cu(s) The copper will plate out on the zinc. The net ionic reaction is: Zn(s) + Cu+2(aq) --> Zn+2(aq) + Cu(s)