What is the word equation for ZN burning in air?

What is the word equation for ZN burning in air?
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In the balanced equation - `[Zn+H^(+)+NO_(3)^(-)rarr NH_(4)^(-) rarr NH_(4)^(+) +Zn^(+2)+H_(2)O]` coefficient of `NH_(4)^(+)` is :-

Description : In the balanced equation - `[Zn+H^(+)+NO_(3)^(-)rarr NH_(4)^(-) rarr NH_(4)^(+) +Zn^(+2)+H_(2)O]` coefficient of `NH_(4)^(+)` is :-

Last Answer : In the balanced equation - `[Zn+H^(+)+NO_(3)^(-)rarr NH_(4)^(-) rarr NH_(4)^(+) +Zn^(+2)+H_(2)O]` coefficient ... (4)^(+)` is :- A. 4 B. 3 C. 2 D. 1

For the redox reaction `Zn+NO_(3)^(-)rarr Zn^(2+)+NH_(4)^(-)` is basic medium, coefficients of `Zn, NO_(3)^(-) and OH^(-)` in the balanced equation re

Description : For the redox reaction `Zn+NO_(3)^(-)rarr Zn^(2+)+NH_(4)^(-)` is basic medium, coefficients of `Zn, NO_(3)^(-) and OH^(-)` in the balanced equation re

Last Answer : For the redox reaction `Zn+NO_(3)^(-)rarr Zn^(2+)+NH_(4)^(-)` is basic medium, coefficients of `Zn, NO_(3)^(-) ... . 7, 4, 1 C. 4, 1, 10 D. 1, 4, 10

What information do you get from the following chemical equation: Zn(s) + 2HCl (dil) → ZnCl2 (aq) + H2(g)

Description : What information do you get from the following chemical equation: Zn(s) + 2HCl (dil) → ZnCl2 (aq) + H2(g)

Last Answer : This gives zinc chloride and hydrogen. The word equation is: Zinc + Hydrochloric acid → Zinc chloride + Hydrogen Formulae for the products are ZnCl2 and H2

What is a word equation which shows burning reactions?

Description : What is a word equation which shows burning reactions?

Last Answer : The word equation would be something like "reactant A plusoxygen is combusted to produce products B and C etc. It reallydepends on what is being burned. For example, if a hydrocarbon isbeing ... the word equation would be "the hydrocarbon reactswith excess oxygen to produce carbon dioxide and water.

(a) Define a balanced chemical equation. Why should an equation be balanced? (b) Write the balanced chemical equation for the following reaction: (i) Phosphorus burns in presence of chlorine to form phosphorus penta chloride. (ii) Burning of natural gas. (iii) The process of respiration. -Chemistry

Description : (a) Define a balanced chemical equation. Why should an equation be balanced? (b) Write the balanced chemical equation for the following reaction: (i) Phosphorus burns in presence of chlorine to form phosphorus penta chloride. (ii) Burning of natural gas. (iii) The process of respiration. -Chemistry

Last Answer : Answer. (a) Balanced chemical equation has an equal number of atoms of different elements in the reactants and products. According to law of conservation of mass, matter can neither be created nor be destroyed in a chemical ... C6H12O6 (s) + 6O2 (g) + 6H2O ---> 6CO2 (aq) + 12H2O (l) + energy

(a) What are fuel cells? Explain the electrode reactions involved in the working of H2 – O2 fuel cell. (b) Represent the galvanic cell in which the reaction Zn (s) + Cu2+ (aq) → Zn2+ (aq) + Cu (s) takes place. -Chemistry

Description : (a) What are fuel cells? Explain the electrode reactions involved in the working of H2 – O2 fuel cell. (b) Represent the galvanic cell in which the reaction Zn (s) + Cu2+ (aq) → Zn2+ (aq) + Cu (s) takes place. -Chemistry

Last Answer : (a) Fuel cells : These cells are the devices which convert the energy produced during combustion of fuels like H2, CH4, etc. directly into electrical energy. The electrode reaction for H2 – O2 fuel cell : (b) The galvanic cell may be represented as Zn (s) | Zn2+ (1M) || Cu2+ (1M) | Cu (s)

Identify the type of reaction(s) in the following equations. (i)CH4 + 2O2 CO2 + 2 H2O (ii) Pb(NO3)2 + 2KI ——–>Pbl2 + 2KNOs (iii) CaO + H2O ——–> Ca(OH)2 (iv) CuSO4 + Zn ——–> ZnSO4 + Cu -Chemistry

Description : Identify the type of reaction(s) in the following equations. (i)CH4 + 2O2 CO2 + 2 H2O (ii) Pb(NO3)2 + 2KI ——–>Pbl2 + 2KNOs (iii) CaO + H2O ——–> Ca(OH)2 (iv) CuSO4 + Zn ——–> ZnSO4 + Cu -Chemistry

Last Answer : Answer. (i) Combustion reaction and oxidation reaction. (ii)Double displacement reaction and precipitation reaction. (iii) Combination reaction. (iv) Displacement reaction.

What is the atomic number of Zn ?

Description : What is the atomic number of Zn ?

Last Answer : The atomic number of Zn is 30

Zn + 2HCl ? Reaction If you do What? Is it

Last Answer : zn + 2hcl = zncl2 + h2

Diamond structure can be considered as ZnS (Zinc blend) structure in which each `Zn^(2+)` in alternate tetrahedral void and `S^(2-)` in cubic close pa

Description : Diamond structure can be considered as ZnS (Zinc blend) structure in which each `Zn^(2+)` in alternate tetrahedral void and `S^(2-)` in cubic close pa

Last Answer : Diamond structure can be considered as ZnS (Zinc blend) structure in which each `Zn^(2+)` in alternate tetrahedral void ... . 6.92 Å C. 1.73 Å D. 3 Å

Find the work done is calorie when `65.5g` Zn reacts with excess `H_(2)SO_(4)` (aq) to form `ZnSO_(4)` & `H_(2)` in a closed rigid vessel at `300 K`.

Description : Find the work done is calorie when `65.5g` Zn reacts with excess `H_(2)SO_(4)` (aq) to form `ZnSO_(4)` & `H_(2)` in a closed rigid vessel at `300 K`.

Last Answer : Find the work done is calorie when `65.5g` Zn reacts with excess `H_(2)SO_(4)` (aq) to form `ZnSO_(4)` & `H_ ... `. A. -600 B. 0 C. `-1200` D. `-2494`

Assertion:- `ZN^(+2)` is more polarising than `Mg^(+2)`. Reason :- A pseudo inert gas configuration `Zn^(+2)` has high `Z_(eff)`, Then inert gas confi

Description : Assertion:- `ZN^(+2)` is more polarising than `Mg^(+2)`. Reason :- A pseudo inert gas configuration `Zn^(+2)` has high `Z_(eff)`, Then inert gas confi

Last Answer : Assertion:- `ZN^(+2)` is more polarising than `Mg^(+2)`. Reason :- A pseudo inert gas ... is False. D. If both Assertion & Reason are false

Givecn that : `Zn+1//2O_(2)rarr ZnO+84000` cal ……………1 `Hg+1//2O_(2)rarr HgO+21700` cal …………2 The heat of reaction `(Delta H)` for, `Zn+HgO rarr ZnO+Hg

Description : Givecn that : `Zn+1//2O_(2)rarr ZnO+84000` cal ……………1 `Hg+1//2O_(2)rarr HgO+21700` cal …………2 The heat of reaction `(Delta H)` for, `Zn+HgO rarr ZnO+Hg

Last Answer : Givecn that : `Zn+1//2O_(2)rarr ZnO+84000` cal 1 `Hg+1//2O_(2)rarr HgO+21700` cal 2 ... cal B. 62300 cal C. `-105700` cal D. `-62300` cal

Assertion :- `Zn(s)+Cu^(+2)(aq)rarr Zn^(+2)(aq)+Cu(s)` can be spilt into following half reactions `{:(Zn(s)rarrZn^(+2)+2e^(-),),(,"(Oxidation half rea

Description : Assertion :- `Zn(s)+Cu^(+2)(aq)rarr Zn^(+2)(aq)+Cu(s)` can be spilt into following half reactions `{:(Zn(s)rarrZn^(+2)+2e^(-),),(,"(Oxidation half rea

Last Answer : Assertion :- `Zn(s)+Cu^(+2)(aq)rarr Zn^(+2)(aq)+Cu(s)` can be spilt into following half ... Reason is False. D. If both Assertion & Reason are False.

Assertion :- In the reaction `Zn(s)+cu^(+2)(aq)rarrZn^(+2)(aq)+Cu(s)` `Cu^(+2)` ions act as oxidising agent and Zn atoms act as a reducing agent. Reas

Description : Assertion :- In the reaction `Zn(s)+cu^(+2)(aq)rarrZn^(+2)(aq)+Cu(s)` `Cu^(+2)` ions act as oxidising agent and Zn atoms act as a reducing agent. Reas

Last Answer : Assertion :- In the reaction `Zn(s)+cu^(+2)(aq)rarrZn^(+2)(aq)+Cu(s)` `Cu^(+2)` ions ... the Reason is False. D. If both Assertion & Reason are False.

`Zn+H_(2)SO_(4)rarrZnSO_(4)+H_(2)` Zn undergoes -

Description : `Zn+H_(2)SO_(4)rarrZnSO_(4)+H_(2)` Zn undergoes -

Last Answer : `Zn+H_(2)SO_(4)rarrZnSO_(4)+H_(2)` Zn undergoes - A. Reduction B. Oxidation C. Both oxidation and reduction D. None of these

Complete reduction of benzene-diazonium chloride with Zn/HCl gives :

Description : Complete reduction of benzene-diazonium chloride with Zn/HCl gives :

Last Answer : Complete reduction of benzene-diazonium chloride with Zn/HCl gives : A. Aniline B. Phenylhydrazine C. Azobenzene D. Hydrazobenzene

(B) on treatment with `Zn//HCl` gives :

Description : (B) on treatment with `Zn//HCl` gives :

Last Answer : (B) on treatment with `Zn//HCl` gives : A. aniline B. benzylamine C. phenylisocyanide D. N-methylaniline

(mixture of alkenes) `overset((i) O_(3))underset((ii) Zn//H_(2)O)to` (mixture of carbonyl compounds). The incorrect statement is

Description : (mixture of alkenes) `overset((i) O_(3))underset((ii) Zn//H_(2)O)to` (mixture of carbonyl compounds). The incorrect statement is

Last Answer : (mixture of alkenes) `overset((i) O_(3))underset((ii) Zn//H_(2)O)to` (mixture of ... KOH D. Only two carbonyl compounds give positive idoform test

(mixture of alkenes) `overset((i) O_(3))underset((ii) Zn//H_(2)O)to` (mixture of carbonyl compounds). The incorrect statement is

Description : (mixture of alkenes) `overset((i) O_(3))underset((ii) Zn//H_(2)O)to` (mixture of carbonyl compounds). The incorrect statement is

Last Answer : (mixture of alkenes) `overset((i) O_(3))underset((ii) Zn//H_(2)O)to` (mixture of ... KOH D. Only two carbonyl compounds give positive idoform test

The correct order of spin-only magnetic moments among the following is : (Atomic number : Mn=25,Co=27,Ni=28,Zn=30)

Description : The correct order of spin-only magnetic moments among the following is : (Atomic number : Mn=25,Co=27,Ni=28,Zn=30)

Last Answer : The correct order of spin-only magnetic moments among the following is : (Atomic number : Mn=25,Co=27,Ni=28,Zn=30) ... (4)]^(2-) gt [ZnCl_(4)]^(2-)`

Which of the following complexes will mostly likely abosorb visible light ? (At nos. Sc=21,Ti=22,V=23,Zn=30)

Description : Which of the following complexes will mostly likely abosorb visible light ? (At nos. Sc=21,Ti=22,V=23,Zn=30)

Last Answer : Which of the following complexes will mostly likely abosorb visible light ? (At nos. Sc=21,Ti=22,V=23,Zn=30) A. `[Sc ... )` D. `[Zn(NH_(3))_(6)]^(2+)`

The geometries of the ammonia complexes of `Ni^(2+),Pt^(2+) and Zn^(2+)`, respectively, are

Description : The geometries of the ammonia complexes of `Ni^(2+),Pt^(2+) and Zn^(2+)`, respectively, are

Last Answer : The geometries of the ammonia complexes of `Ni^(2+),Pt^(2+) and Zn^(2+)`, ... planar and octahedral D. octahedral , tetrahedral and square planar

The complex `K_(4)[Zn(CN)_(4)(O_(2))_(2)]` is oxidised into `K_(2)[Zn(CN)_(4)(O_(2))_(2)]`, then which of the following is correct ?

Description : The complex `K_(4)[Zn(CN)_(4)(O_(2))_(2)]` is oxidised into `K_(2)[Zn(CN)_(4)(O_(2))_(2)]`, then which of the following is correct ?

Last Answer : The complex `K_(4)[Zn(CN)_(4)(O_(2))_(2)]` is oxidised into `K_(2)[Zn(CN)_(4) ... C. `O-O` bond length increases D. Paramagnetic moment increases.

Which of the following anions are producing same gas on treatment with `(Zn+ " dil." H_(2)SO_(4))`. `I :SO_(3)^(2-) " " II : HSO_(3)^(-) " " III : S^(

Description : Which of the following anions are producing same gas on treatment with `(Zn+ " dil." H_(2)SO_(4))`. `I :SO_(3)^(2-) " " II : HSO_(3)^(-) " " III : S^(

Last Answer : Which of the following anions are producing same gas on treatment with `(Zn+ " dil." H_(2)SO_(4))`. `I : ... I, II, III and IV D. I, III and IV only

A mixture of two organic compound gives red coloured precipitate with cuprous chloride and silver mirror on heating with Zn and `NH_(4)Cl` followed by

Description : A mixture of two organic compound gives red coloured precipitate with cuprous chloride and silver mirror on heating with Zn and `NH_(4)Cl` followed by

Last Answer : A mixture of two organic compound gives red coloured precipitate with cuprous chloride and silver mirror on heating ... mixture contains : A. B. C. D.

Phenol `underset("distillation")overset("Zinc")(rarr)(A)underset("conc."HNO_(3) "at 333K")overset("conc." HNO_(3))(rarr)(B)underset("NaOH")overset(Zn)

Description : Phenol `underset("distillation")overset("Zinc")(rarr)(A)underset("conc."HNO_(3) "at 333K")overset("conc." HNO_(3))(rarr)(B)underset("NaOH")overset(Zn)

Last Answer : Phenol `underset("distillation")overset("Zinc")(rarr)(A)underset("conc."HNO_(3) "at 333K" ... -nitroaniline D. toluene, m-nitrobenzene and m-toulidine

How many of the following metals can be extracted buy carbon reduction method ? Na,Al,Mg,Sn,Fe,Pb,Zn,Ca

Description : How many of the following metals can be extracted buy carbon reduction method ? Na,Al,Mg,Sn,Fe,Pb,Zn,Ca

Last Answer : How many of the following metals can be extracted buy carbon reduction method ? Na,Al,Mg,Sn,Fe,Pb,Zn,Ca

Among the metals Na,Mg ,Al,Zn,Cu,Sn ,Fe and Pb number of metals that can be ectreated by the eletroysis ,even from aqueos solution,is………………….

Description : Among the metals Na,Mg ,Al,Zn,Cu,Sn ,Fe and Pb number of metals that can be ectreated by the eletroysis ,even from aqueos solution,is………………….

Last Answer : Among the metals Na,Mg ,Al,Zn,Cu,Sn ,Fe and Pb number of metals that can be ectreated by the eletroysis ,even from aqueos solution,is………………….

Statement-I : In the extraction of Ag, the complex `Na[Ag(CN)_(2)]` is reacted with `Zn` Statement-II : `Zn` is transition metal according to electron

Description : Statement-I : In the extraction of Ag, the complex `Na[Ag(CN)_(2)]` is reacted with `Zn` Statement-II : `Zn` is transition metal according to electron

Last Answer : Statement-I : In the extraction of Ag, the complex `Na[Ag(CN)_(2)]` is reacted with `Zn` ... . Statement-1 : is false , statement-2 : is true

Number of metals among following which are obatained by electromentallurgy in molten state are Li, Ba, Na,Al, Fe, Cu, Pb, Sn, Ag, Zn, Ca, Mg.

Description : Number of metals among following which are obatained by electromentallurgy in molten state are Li, Ba, Na,Al, Fe, Cu, Pb, Sn, Ag, Zn, Ca, Mg.

Last Answer : Number of metals among following which are obatained by electromentallurgy in molten state are Li, Ba, Na,Al, Fe, Cu, Pb, Sn, Ag, Zn, Ca, Mg.

Extraction of Zn is based on the following thermodynamic reaction. (A)` 2ZnS + 3O_(2) to 2ZnO+ 2SO_(2)` (B) `ZnO + C to Zn + CO" " DeltaG_(f)^(0)` are

Description : Extraction of Zn is based on the following thermodynamic reaction. (A)` 2ZnS + 3O_(2) to 2ZnO+ 2SO_(2)` (B) `ZnO + C to Zn + CO" " DeltaG_(f)^(0)` are

Last Answer : Extraction of Zn is based on the following thermodynamic reaction. (A)` 2ZnS + 3O_(2) to 2ZnO+ 2SO_(2)` (B) ... (5) J//"mol"` The value of X a will be

Statement-1: Zn displaces Ag from the complex `Na[Ag(CN)_(2)]` to give `Na_(2)[Zn(CN)_(4)]` Statement-2:Zn is more electro positive than silver

Description : Statement-1: Zn displaces Ag from the complex `Na[Ag(CN)_(2)]` to give `Na_(2)[Zn(CN)_(4)]` Statement-2:Zn is more electro positive than silver

Last Answer : Statement-1: Zn displaces Ag from the complex `Na[Ag(CN)_(2)]` to give `Na_(2)[Zn(CN)_(4) ... false D. Statement-1 is false but Statement -2 is true

During the extraction of Ag and using a KCN solution and Zn, cyanide ions and Zn react with metal ion as respectively

Description : During the extraction of Ag and using a KCN solution and Zn, cyanide ions and Zn react with metal ion as respectively

Last Answer : During the extraction of Ag and using a KCN solution and Zn, cyanide ions and Zn react with metal ... acid C. A reducing agent D. A complexing agent

Name the metal M which is extracted on the basis of following reactions: `4M+8NaCN+2H_(2)O+O_(2)to` `4NaM(CN)_(2)+4NaOH` `2NaM(CN)_(2)+ZntoNa_(2)Zn(CN

Description : Name the metal M which is extracted on the basis of following reactions: `4M+8NaCN+2H_(2)O+O_(2)to` `4NaM(CN)_(2)+4NaOH` `2NaM(CN)_(2)+ZntoNa_(2)Zn(CN

Last Answer : Name the metal M which is extracted on the basis of following reactions: `4M+8NaCN+2H_(2)O+O_(2)to` `4NaM(CN)_(2 ... 2M` A. Au or Ag B. Hg C. Ni D. Fe

In Belgan process, for reduction of ZnO to Zn reductant is

Description : In Belgan process, for reduction of ZnO to Zn reductant is

Last Answer : In Belgan process, for reduction of ZnO to Zn reductant is A. Water gas B. Coal or Coke C. Al D. `H_(2)`

When the sample of Cu with Zn as impurity is to be purified by electrolysis, the appropriate electrodes are :

Description : When the sample of Cu with Zn as impurity is to be purified by electrolysis, the appropriate electrodes are :

Last Answer : When the sample of Cu with Zn as impurity is to be purified by electrolysis, the appropriate electrodes are ... 4)","Impure zinc","Impure sample"):}`

Which diagram is correctly related to the extraction of Zn from Calamine?

Description : Which diagram is correctly related to the extraction of Zn from Calamine?

Last Answer : Which diagram is correctly related to the extraction of Zn from Calamine? A. Calamine` overset(" ... ore`overset("Reduction by carbon") rarr Zn`

`Ag_(2)S +NaCN rarr (a)` (a) `+Zn rarr (d)` (b) is a metal. Hence `(a)` and `(b)` are

Description : `Ag_(2)S +NaCN rarr (a)` (a) `+Zn rarr (d)` (b) is a metal. Hence `(a)` and `(b)` are

Last Answer : `Ag_(2)S +NaCN rarr (a)` (a) `+Zn rarr (d)` (b) is a metal. Hence `(a)` and `(b)` are A. `Na_(2)[Zn( ... )[Ag(CN)_(4)],Ag` D. `Na_(3)[Ag(CN)_(4)],Ag`

If the only reactants of a reaction were zn and hci what does the law of conservation of mass say about the products?

Description : If the only reactants of a reaction were zn and hci what does the law of conservation of mass say about the products?

Last Answer : Need answer

What of the following reactions demonstrates a synthesis reaction A) Mg plus H2SO4 and gt MgSO4 plus H2 B) 2NaCl and gt 2Na plus Cl2 C) C plus O2 and gt CO2 D) Zn plus 2HCl and gt ZnCl2 plus H2?

Description : What of the following reactions demonstrates a synthesis reaction A) Mg plus H2SO4 and gt MgSO4 plus H2 B) 2NaCl and gt 2Na plus Cl2 C) C plus O2 and gt CO2 D) Zn plus 2HCl and gt ZnCl2 plus H2?

Last Answer : C+O2 →CO2

What are Two Reasons why the percent composition of Zn(No3)2 plus 2 KOH Zn(OH)2 plus 2 KNo3 is not 100?

Description : What are Two Reasons why the percent composition of Zn(No3)2 plus 2 KOH Zn(OH)2 plus 2 KNo3 is not 100?

Last Answer : Your question is not clear: the mass of products is equal to the mass reactants.

What are half reactions for a galvanic cell with Zn and Ni electrons?

Description : What are half reactions for a galvanic cell with Zn and Ni electrons?

Last Answer : What is the answer ?

How many Zn atoms are Zn(cIO3)2?

Description : How many Zn atoms are Zn(cIO3)2?

Last Answer : This compound contain one zinc atom.

How many Zn atoms are Zn(cIO3)2?

Description : How many Zn atoms are Zn(cIO3)2?

Last Answer : This compound contain one zinc atom.

How many grams of ZnCl2 are formed from150 g of Zn and 73 g of HCl?

Description : How many grams of ZnCl2 are formed from150 g of Zn and 73 g of HCl?

Last Answer : 136,315 g ZnCl are obtained.

Which of the following is an electrolytic cell A. lron * (ll) * (Fe) oxidized, aluminum (Al) reduced O B. Silver (Ag) oxidized, gold (Au) reduced C. Aluminum () oxidized (Zn) reduced LithiumD. (Li) oxidized, (Zn) reduced?

Description : Which of the following is an electrolytic cell A. lron * (ll) * (Fe) oxidized, aluminum (Al) reduced O B. Silver (Ag) oxidized, gold (Au) reduced C. Aluminum () oxidized (Zn) reduced LithiumD. (Li) oxidized, (Zn) reduced?

Last Answer : The answer is not c.

The only reactants in a reaction were Zn and HCI. What does the law of conservation of matter say about the products?

Description : The only reactants in a reaction were Zn and HCI. What does the law of conservation of matter say about the products?

Last Answer : The product will contain only Zn, H, and CI. -Apex

As the surface area of the Zn(s) used in the reaction Zn(s) + 2HCl(aq)--> ZnCl2(aq) + H2(g) is increased, the rate of the reaction willIncreaseDecreaseRemain the Same?

Description : As the surface area of the Zn(s) used in the reaction Zn(s) + 2HCl(aq)--> ZnCl2(aq) + H2(g) is increased, the rate of the reaction willIncreaseDecreaseRemain the Same?

Last Answer : An increase in surface area means an increase in the rate of reaction.

Zn is present as prosthetic group in this enzyme: (A) Carbonic anhydrase (B) Carboxy peptidase (C) Lactate dehydrogenase (D) All of these

Description : Zn is present as prosthetic group in this enzyme: (A) Carbonic anhydrase (B) Carboxy peptidase (C) Lactate dehydrogenase (D) All of these

Last Answer : Answer : D