How do you calculate purity on anhydrous basis?

How do you calculate purity on anhydrous basis?
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How do you calculate purity on dry basis?

Description : How do you calculate purity on dry basis?

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One moles of anhydrous `AB` dissolves in water and liberates `21.0 J mol^(-1)` of heat. The valueof `DeltaH^(Theta)` (hydration) of `AB` is `-29.4 J m

Description : One moles of anhydrous `AB` dissolves in water and liberates `21.0 J mol^(-1)` of heat. The valueof `DeltaH^(Theta)` (hydration) of `AB` is `-29.4 J m

Last Answer : One moles of anhydrous `AB` dissolves in water and liberates `21.0 J mol^(-1)` of heat. The valueof `DeltaH^(Theta) ... mol^(-1)` D. `-8.4 J mol^(-1)`

The heat of solution of anhydrous `CuSO_(4)` and `CuSO_(4).5H_(2)O` are -15.89 and 2.80 Kcal `mol^(-1)` respectively. What will be the heat of hydrati

Description : The heat of solution of anhydrous `CuSO_(4)` and `CuSO_(4).5H_(2)O` are -15.89 and 2.80 Kcal `mol^(-1)` respectively. What will be the heat of hydrati

Last Answer : The heat of solution of anhydrous `CuSO_(4)` and `CuSO_(4).5H_(2)O` are -15.89 and 2.80 Kcal `mol^(-1) ... `18.69` Kcal C. `-28.96` Kcal D. 28.96 Kcal

`PH_(3) ("anhydrous") + HBr ("anhydrous") rarr X`. Identify X ?

Description : `PH_(3) ("anhydrous") + HBr ("anhydrous") rarr X`. Identify X ?

Last Answer : `PH_(3) ("anhydrous") + HBr ("anhydrous") rarr X`. Identify X ? A. `H_(3)BrO_(3)` B. `PH_(4)Br` C. `Br_(2)` D. `P_(4)`

`PH_(3) ("anhydrous") + HBr ("anhydrous") rarr X`. Identify X ?

Description : `PH_(3) ("anhydrous") + HBr ("anhydrous") rarr X`. Identify X ?

Last Answer : `PH_(3) ("anhydrous") + HBr ("anhydrous") rarr X`. Identify X ? A. `H_(3)BrO_(3)` B. `PH_(4)Br` C. `Br_(2)` D. `P_(4)`

In which following statement are correct. (a) Anhydrous hydrogen fluroide is a liquid at ordianry temperature while other halogen acid are gases. (b)

Description : In which following statement are correct. (a) Anhydrous hydrogen fluroide is a liquid at ordianry temperature while other halogen acid are gases. (b)

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Which of the following structures correspond to the product expected, when excess of `C_(6)H_(6)` reacts with `CH_(2)Cl_(2)` in presence of anhydrous

Description : Which of the following structures correspond to the product expected, when excess of `C_(6)H_(6)` reacts with `CH_(2)Cl_(2)` in presence of anhydrous

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From amongest the following alcohols, the one that would react fastest with conc. HCl and anhydrous `ZnCl_(2)` is

Description : From amongest the following alcohols, the one that would react fastest with conc. HCl and anhydrous `ZnCl_(2)` is

Last Answer : From amongest the following alcohols, the one that would react fastest with conc. HCl and anhydrous ` ... . 2-Methylpropan-2-ol D. 2-Methylpropanol-1

`HBr` reacts with `CH_(2)=CH-OCH_(3)` under anhydrous conditions at room temperature to give:

Description : `HBr` reacts with `CH_(2)=CH-OCH_(3)` under anhydrous conditions at room temperature to give:

Last Answer : `HBr` reacts with `CH_(2)=CH-OCH_(3)` under anhydrous conditions at room temperature to give: A. `H_(3)C-CHBr- ... (3)OH` D. `BrCH_(2)-CH_(2)-OCH_(3)`

Which alcohol is most reactive towards `HCl` in the presence of anhydrous `ZnCl_(2)`?

Description : Which alcohol is most reactive towards `HCl` in the presence of anhydrous `ZnCl_(2)`?

Last Answer : Which alcohol is most reactive towards `HCl` in the presence of anhydrous `ZnCl_(2)`? A. primary B. secondary C. tertiary D. all of these

Ethyl alcohol forms X `CaCl_(2)^(3). C_(2)H_(5)OH` when `C_(2)H_(5)OH` reacts with respective anhydrous salts. Then

Description : Ethyl alcohol forms X `CaCl_(2)^(3). C_(2)H_(5)OH` when `C_(2)H_(5)OH` reacts with respective anhydrous salts. Then

Last Answer : Ethyl alcohol forms X `CaCl_(2)^(3). C_(2)H_(5)OH` when `C_(2)H_(5)OH` reacts with respective anhydrous salts. Then ... = 4` D. `X = 4, Y = 4, Z = 4`

The process of converting hydrated Alumina into anhydrous Alumina is called

Description : The process of converting hydrated Alumina into anhydrous Alumina is called

Last Answer : The process of converting hydrated Alumina into anhydrous Alumina is called A. Roasting B. Smelting C. Dressing D. Calcination

The process of converting hydrated Alumina into anhydrous Alumina is called

Description : The process of converting hydrated Alumina into anhydrous Alumina is called

Last Answer : The process of converting hydrated Alumina into anhydrous Alumina is called A. roasting B. smelting C. dressing D. calcination

The process of converting hydrated Alumina into anhydrous Alumina is called

Description : The process of converting hydrated Alumina into anhydrous Alumina is called

Last Answer : The process of converting hydrated Alumina into anhydrous Alumina is called A. Roasting B. Smelting C. Dressing D. Calcination

`XeF_(6)` dissolves in anhydrous `HF` to give a good conducting solution which contains:

Description : `XeF_(6)` dissolves in anhydrous `HF` to give a good conducting solution which contains:

Last Answer : `XeF_(6)` dissolves in anhydrous `HF` to give a good conducting solution which contains: A. `H^(+)` and ` ... +)` and `F^(-)` ions D. none of these

Which of the following compounds can be used for drying of `H_(2)S` gas? I. Conc `H_(2)SO_(4)` II. `P_(4)O_(10)` III. Anhydrous `CaC1_(2)` IV. Anhydro

Description : Which of the following compounds can be used for drying of `H_(2)S` gas? I. Conc `H_(2)SO_(4)` II. `P_(4)O_(10)` III. Anhydrous `CaC1_(2)` IV. Anhydro

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Proteins are soluble in (A) Anhydrous acetone(B) Aqueous alcohol (C) Anhydrous alcohol (D) Benzene

Description : Proteins are soluble in (A) Anhydrous acetone(B) Aqueous alcohol (C) Anhydrous alcohol (D) Benzene

Last Answer : Answer : B

Methanol cannot be dried with anhydrous CaCl2 because - (1) CaCl2 dissolves in it (2) it is not good dehydrating agent (3) it forms a solid CaCl2 × 4CH3OH (4) it reacts with CH3OH

Description : Methanol cannot be dried with anhydrous CaCl2 because - (1) CaCl2 dissolves in it (2) it is not good dehydrating agent (3) it forms a solid CaCl2 × 4CH3OH (4) it reacts with CH3OH

Last Answer : (3) it forms a solid CaCl2 × 4CH3OH

Which of the following materials may prove unsuitable for handling acetic acid (glacial & anhydrous) at 40°C? (A) Silicone rubber, teflon, porcelain and wood (B) Nickel, monel, stainless steel and graphite (C) Aluminium, copper, high silicon iron (D) Brass, cast iron, mild steel and tin

Description : Which of the following materials may prove unsuitable for handling acetic acid (glacial & anhydrous) at 40°C? (A) Silicone rubber, teflon, porcelain and wood (B) Nickel, monel, stainless steel and graphite (C) Aluminium, copper, high silicon iron (D) Brass, cast iron, mild steel and tin

Last Answer : (D) Brass, cast iron, mild steel and tin

Nickel made/clad equipments are suitable for handling (A) Ammonia (both aqueous & anhydrous) (B) Fruit juices, milk & its products and caustic soda solution (C) Nitric acid & hydrochloric acid (concentrated) (D) Sulphuric acid (concentrated)

Description : Nickel made/clad equipments are suitable for handling (A) Ammonia (both aqueous & anhydrous) (B) Fruit juices, milk & its products and caustic soda solution (C) Nitric acid & hydrochloric acid (concentrated) (D) Sulphuric acid (concentrated)

Last Answer : (B) Fruit juices, milk & its products and caustic soda solution

Tin vessels are corroded by(A) Anhydrous ammonia(B) Aromatic solvents(C) Synthetic detergent solution(D) None of these

Description : Tin vessels are corroded by (A) Anhydrous ammonia (B) Aromatic solvents (C) Synthetic detergent solution (D) None of these

Last Answer : (D) None of these

Mild steel storage vessels are suitable for the storage of (A) Anhydrous ammonia (B) Fatty acids (C) Hydrochloric acid (95%) (D) Sulphuric acid (25%)

Description : Mild steel storage vessels are suitable for the storage of (A) Anhydrous ammonia (B) Fatty acids (C) Hydrochloric acid (95%) (D) Sulphuric acid (25%)

Last Answer : (A) Anhydrous ammonia

In laboratory preparation of H2O2 from hydrated barium peroxide with sulphuric acid , anhydrous barium peroxide is not used Why ?

Description : In laboratory preparation of H2O2 from hydrated barium peroxide with sulphuric acid , anhydrous barium peroxide is not used Why ?

Last Answer : Ans-Because it forms a protective layer of barium sulphate over anhydrous barium peroxide

Explain why anhydrous HCl is a bad conductor electricity while aqueous HCl is a good conductor of electricity.

Description : Explain why anhydrous HCl is a bad conductor electricity while aqueous HCl is a good conductor of electricity.

Last Answer : Ans: Hcl is a covalent compound and has no ion but when dissolve into solution it under go dissociation and produce ions in the solution and hence conduct electricity.

For concentrating an aqueous solution of a material like anhydrous Na2SO4, whose solubility decreases with rise in temperature, the most suitable evaporator is a __________ evaporator. (A) High pressure (B) Vacuum (C) Backward feed (D) None of these

Description : For concentrating an aqueous solution of a material like anhydrous Na2SO4, whose solubility decreases with rise in temperature, the most suitable evaporator is a __________ evaporator. (A) High pressure (B) Vacuum (C) Backward feed (D) None of these

Last Answer : (B) Vacuum

Copper sulphate crystals when heated strongly, lose their water of crystallization to give anhydrous copper sulphate accompanied by a change in color from: (a). Blue to green (b). Blue to white (c). Blue to sky blue (d). Blue to grey

Description : Copper sulphate crystals when heated strongly, lose their water of crystallization to give anhydrous copper sulphate accompanied by a change in color from: (a). Blue to green (b). Blue to white (c). Blue to sky blue (d). Blue to grey

Last Answer : (b). Blue to white

Anhydrous ammonia have equivalent acidity a. 93 b. 110 c. 128d. 148

Description : Anhydrous ammonia have equivalent acidity a. 93 b. 110 c. 128 d. 148

Last Answer : d. 148

Reaction of anhydrous liquid ammonia with ortho-phosphoric acid produces (A) Ammonium phosphate (B) Superphosphate (C) Triple superphosphate (D) None of these

Description : Reaction of anhydrous liquid ammonia with ortho-phosphoric acid produces (A) Ammonium phosphate (B) Superphosphate (C) Triple superphosphate (D) None of these

Last Answer : (A) Ammonium phosphate

Raw materials for nitric acid manufacture are (A) Hydrogen peroxide, air and water (B) Anhydrous ammonia and air (C) Anhydrous ammonia, air and water (D) Wet ammonia, air and water

Description : Raw materials for nitric acid manufacture are (A) Hydrogen peroxide, air and water (B) Anhydrous ammonia and air (C) Anhydrous ammonia, air and water (D) Wet ammonia, air and water

Last Answer : (C) Anhydrous ammonia, air and water

Benzene reacts with benzoyl chloride in the presence of anhydrous aluminium chloride to form (a) Benzyl chloride (b) Benzaldehyde (c) Benzal chloride(d) Benzophenone

Description : Benzene reacts with benzoyl chloride in the presence of anhydrous aluminium chloride to form (a) Benzyl chloride (b) Benzaldehyde (c) Benzal chloride (d) Benzophenone

Last Answer : Benzophenone

1,2-Ethanediol reacts with anhydrous zinc chloride to form (a) Ethylene (b) Acetaldehyde (c) Acetylene (d) Ethyl chloride

Description : 1,2-Ethanediol reacts with anhydrous zinc chloride to form (a) Ethylene (b) Acetaldehyde (c) Acetylene (d) Ethyl chloride

Last Answer : Acetaldehyde

What steps can be taken to avoid stress corrosion cracking (SCC) in steel vessels used for storing anhydrous ammonia?

Description : What steps can be taken to avoid stress corrosion cracking (SCC) in steel vessels used for storing anhydrous ammonia?

Last Answer : The U.S. National Board of Pressure Vessel Inspectors recommends the following in one of their classic articles: 1. Pressure vessels should be fully stress relieved or fabricated with heads that ... at least 0.2 percent water to inhibit SCC. Source: National Board of Pressure Vessel Inspectors

Commonly used chemical fertilizer to con trol submerged weeds and water bloom non -selectively a). Anhydrous ammonia b). Ammonium sulphate c). Ammonium nitrate d). Urea

Description : Commonly used chemical fertilizer to con trol submerged weeds and water bloom non -selectively a). Anhydrous ammonia b). Ammonium sulphate c). Ammonium nitrate d). Urea

Last Answer : d). Urea

If a material has the capacity to behave either as an acid or a base it is said to be: w) amorphous x) amphoteric y) anhydrous z) aklaline

Description : If a material has the capacity to behave either as an acid or a base it is said to be: w) amorphous x) amphoteric y) anhydrous z) aklaline

Last Answer : ANSWER: X -- AMPHOTERIC

The percent composition by mass of copper in anhydrous cupric sulfate is about: w) 10% x) 25% y) 40% z) 75%

Description : The percent composition by mass of copper in anhydrous cupric sulfate is about: w) 10% x) 25% y) 40% z) 75%

Last Answer : ANSWER: C -- 40% 

Is there a formula that can calculate rainfall on a gallons-per-square-mile basis?

Description : Is there a formula that can calculate rainfall on a gallons-per-square-mile basis?

Last Answer : answer:It's a relatively straightforward conversion problem. Once you figure out how big the drops are (and if you have a good count of drops per minute per area) then it's not hard at all. The tough ... but your example is close enough to that). EDIT: 1 Acre-Foot of water is 325,852 US gallons.

Calculate the shaft diameter on rigidity basis if torsional moment is 196000N-mm, length of shaft is 1000mm. Permissible angle of twist per meter is 0.5’ and take G=79300N/mm2. a) None of the listed b) 41.2mm c) 35.8mm d) 38.8mm

Description : Calculate the shaft diameter on rigidity basis if torsional moment is 196000N-mm, length of shaft is 1000mm. Permissible angle of twist per meter is 0.5’ and take G=79300N/mm2. a) None of the listed b) 41.2mm c) 35.8mm d) 38.8mm

Last Answer : b) 41.2mm

Calculate the shaft diameter on rigidity basis if torsional moment is 196000N-mm, length of shaft is 1000mm. Permissible angle of twist per meter is 0.5’ and take G=79300N/mm². a) None of the listed b) 41.2mm c) 35.8mm d) 38.8mm

Description : Calculate the shaft diameter on rigidity basis if torsional moment is 196000N-mm, length of shaft is 1000mm. Permissible angle of twist per meter is 0.5’ and take G=79300N/mm². a) None of the listed b) 41.2mm c) 35.8mm d) 38.8mm

Last Answer : b) 41.2mm

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Description : What is a the differance between a purity ring and a promise ring?

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do you cut back a candy tuft purity

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How do we test purity of substance ? -Science

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Description : what are high purity products?

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In the light of Hadith, the rules of reciting the five daily prayers with purity and attention. ?

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Description : Does the dirt under the nails interfere with the purity of the ablution ?

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