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Why does colour change after 5 minutes of heating during Benedict's test?
Heating is necessary to transform sugars in enediols which react with Cu(2+).
Systematic name Cu plus 1?
Cu(I), cuprous, Cu+.
What is copper's symbol in the periodic table?
The element copper (Cuprum in Latin) is symbolised by Cu
What does cu stand for in the periodic tables?
Cu is Copper!Cu - is the symbol for copper.
Which ion is responsible for the colour that is observed in the CuCl2 solution?
CuCl2(s) = Cu^2_(aq) + + 2Cl^-(aq) In solution the chloride anions )Cl^-) are colourless ; see also dissolved common salt (NaCl) So it must be the copper cations (Cu^2+) that gives the colour blue.
How many cu feet in 573 inches?
You can't convert between linear units and cubic units.
Why does colour change after 5 minutes of heating during Benedict's test?
Heating is necessary to transform sugars in enediols which react with Cu(2+).
What is the Balanced equation for Cu(OH)2(s) heated?
The balanced equation for the decomposition of Cu(OH)2(s) upon heating is: Cu(OH)2(s) -> CuO(s) + H2O(g).
What are half - reactions of redox reaction CuCl and Zn which gives ZnCl2 and Cu as products?
Zn(s) --> Zn2+(aq) + 2e : Oxidation Cu+(aq) + 1e --> Cu(s) : Reduction
Balanced molecular equation for copper 2 hydroxide with heating?
The balanced equation is Cu(OH)2 (s) (heat) = CuO + H2O.
What is the net charge of copper atom if it gain two electrons?
Cu(2-) does not exist, because Cu does not gain electrons at all being a metal. When it gives off two electrons Cu(2+) ions are formed.
What is the chemical reaction of mg plus cu so4?
The chemical reaction between magnesium (Mg) and copper sulfate (CuSO4) produces magnesium sulfate (MgSO4) and copper (Cu) according to the equation: Mg + CuSO4 -> MgSO4 + Cu
What do you get when you evaporate a copper sulphate solution?
You'll get first: blue Cu-sulfate pentahydrate crystall's and after further heating: white anhydrous Cu-sulfate powder.
How many cu ft in a cu yd?
.07 (No. That is incorrect.) Actually there are 27 cu ft in a cu yard or .037 cu yards in a cu ft.
What does copper oxide produce at high temperature?
Laboratory preparation of copper oxide: copper salt such as CuSO4 reacts with alkali (NaOH) to generate Cu(OH)2, and then Cu(OH)2 is decomposed by heating to prepare CuO. CuSO4+2NaOH==Cu(OH)2↓+Na2SO4 Cu(OH)2=△=CuO+H2O Heat copper (Cu) to make copper react with oxygen (O2) to generate oxidation Copper (CuO). 2Cu+O2==2CuO Copper oxide can be prepared by heating metallic copper in air or decomposing copper hydroxide, copper nitrate, basic copper carbonate, etc.
When cu and agno3 is heated what colour it gives and why?
It gives green color . Copper is more reactive than silver therefore it displaces silver from silver nitrate and forms silver + copper nitrate
Systematic name Cu plus 1?
Cu(I), cuprous, Cu+.
