When one heats concentrated sulfuric acid, one molecule of water is eliminated for every two molecules of sulfuric acid. What substance will result from this reaction?

When one heats concentrated sulfuric acid, one molecule of water is eliminated for every two molecules of sulfuric acid. What substance will result from this reaction?
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Answer :

ANSWER: PYROSULFURIC ACID or DISULFURIC ACID
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Why is it not safe to add water directly to concentrated sulfuric acid ?

Description : Why is it not safe to add water directly to concentrated sulfuric acid ?

Last Answer : Sulfuric acid is a chemical compound. Whose chemical signal is H₂SO₄ . Pouring water with acid is not safe in case of concentrated H₂SO₄ acid dilution. This is because the concentrated H₂SO₄ acid is a ... dilute the acid, the acid is slowly poured into the water without adding water to the acid.

Benzaldehyde reacts with a mixture of concentrated sulfuric acid and nitric acid to give (a) p-Nitrobenzaldehyde (b) o-Nitrobenzaldehyde (c) p-Nitrobenzoic acid (d) m-Nitrobenzaldehyde

Description : Benzaldehyde reacts with a mixture of concentrated sulfuric acid and nitric acid to give (a) p-Nitrobenzaldehyde (b) o-Nitrobenzaldehyde (c) p-Nitrobenzoic acid (d) m-Nitrobenzaldehyde

Last Answer : m-Nitrobenzaldehyde

A compound of formula C6H12 does not react with concentrated sulfuric acid. The compound could be (a) Alkane (b) Cycloalkane (c) Alkene (d) Cycloalkene

Description : A compound of formula C6H12 does not react with concentrated sulfuric acid. The compound could be (a) Alkane (b) Cycloalkane (c) Alkene (d) Cycloalkene

Last Answer : Cycloalkane

Which of the following compounds will react most readily with concentrated sulfuric acid? (a) Ethane (b) Cyclohexane (c) Propane (d) Cyclohexene

Description : Which of the following compounds will react most readily with concentrated sulfuric acid? (a) Ethane (b) Cyclohexane (c) Propane (d) Cyclohexene

Last Answer : Cyclohexene

By which of the following methods can CH3CONH2 be converted to CH3CN? (a) Oxidize with Na2Cr2O7/H+ (b) Heat with concentrated sulfuric acid (c) Heat to 200°C (d) Warm with P2O5

Description : By which of the following methods can CH3CONH2 be converted to CH3CN? (a) Oxidize with Na2Cr2O7/H+ (b) Heat with concentrated sulfuric acid (c) Heat to 200°C (d) Warm with P2O5

Last Answer : Warm with P2O5

The action of concentrated sulfuric acid on sugar best described as: w) catalysis x) oxidation y) reduction z) dehydration

Description : The action of concentrated sulfuric acid on sugar best described as: w) catalysis x) oxidation y) reduction z) dehydration

Last Answer : ANSWER: Z -- DEHYDRATION

Aqua regia is: w) concentrated nitric acid x) a mixture of three parts of concentrated hydrochloric acid and one part concentrated nitric acid y) concentrated hydrochloric acid z) a mixture of sulfuric acid and hydrochloric acid

Description : Aqua regia is: w) concentrated nitric acid x) a mixture of three parts of concentrated hydrochloric acid and one part concentrated nitric acid y) concentrated hydrochloric acid z) a mixture of sulfuric acid and hydrochloric acid

Last Answer : ANSWER: X -- A MIXTURE OF THREE PARTS OF CONCENTRATED HYDROCHLORIC ACID AND ONE PART CONCENTRATED NITRIC ACID 

What hazard symbol would you see on concentrated sulfuric acid?

Description : What hazard symbol would you see on concentrated sulfuric acid?

Last Answer : Need answer

Which of the problems listed will occur if a lead-acid battery is allowed to remain in a discharged condition for a long period of time? A. The battery may be unable to accept a full charge. B. The electrolyte will change to lead sulfate. C. The concentrated sulfuric acid will attack the lead peroxide plates. D. The separators will harden.

Description : Which of the problems listed will occur if a lead-acid battery is allowed to remain in a discharged condition for a long period of time? A. The battery may be unable to accept a full charge ... . C. The concentrated sulfuric acid will attack the lead peroxide plates. D. The separators will harden.

Last Answer : Answer: A

How many molecules in 1.1 mol sulfuric acid?

Description : How many molecules in 1.1 mol sulfuric acid?

Last Answer : The number of molecules is 6,624354943.10e23.

Use the information and data given below to answer the questions • Stronger intermolecular forces result in higher boiling point • Strength of London forces increases with the number of electrons in the molecule • Boiling point of HF ,HCl, HBr and HI are 293K,189K,206K and 238K respectively (a) Which type of intermolecular forces are present in the molecules HCl, HBr and HI? (b) Looking at the trend of boiling points of HCl, HBr and HI, explain, out of dipole interaction and London interaction, which one predominant here? (c) Why is the boiling point of HF highest while that of HCl lowest?

Description : Use the information and data given below to answer the questions Stronger intermolecular forces result in higher boiling point Strength of London forces increases with the number of electrons in the molecule ... here? (c) Why is the boiling point of HF highest while that of HCl lowest?

Last Answer : Ans :( a) In the molecules HCl, HBr and HI, dipole-dipole interaction and London forces are present. (b) Dipole moment of HCl > HBr > HI but boiling point of HCl < HBr

If the illustrated device is fully discharged, what will be the result? EL-0061 A. The battery will be short circuited because the mud space will be filled with lead sulfate B. The electrolyte will be maximum sulfuric acid minimum water C. The electrolyte will be maximum water minimum sulfuric acid. D. The plates will be maximum lead oxide and sponge lead minimum lead sulfate.

Description : If the illustrated device is fully discharged, what will be the result? EL-0061 A. The battery will be short circuited because the mud space will be filled with lead sulfate B. The electrolyte ... minimum sulfuric acid. D. The plates will be maximum lead oxide and sponge lead minimum lead sulfate.

Last Answer : Answer: C

When aniline is heated with glycerol in the presence of sulfuric acid and nitrobenzene, it gives quinoline. This reaction in called (a) Fischer synthesis (b) Skraup synthesis (c) Diazotization (d) Corey-House synthesis

Description : When aniline is heated with glycerol in the presence of sulfuric acid and nitrobenzene, it gives quinoline. This reaction in called (a) Fischer synthesis (b) Skraup synthesis (c) Diazotization (d) Corey-House synthesis

Last Answer : Skraup synthesis

In the reaction of ethylene with H2O in the presence of sulfuric acid, which one adds across the double bond first? (a) H+ (b) H. (c) HO– (d) sulfate ion

Description : In the reaction of ethylene with H2O in the presence of sulfuric acid, which one adds across the double bond first? (a) H+ (b) H. (c) HO– (d) sulfate ion

Last Answer : H+

The process of union of two or more molecules of a substance to form a large single molecule is called : (1) Fusion (2) Diffusion (3) Polymerization (4) Synthesis

Description : The process of union of two or more molecules of a substance to form a large single molecule is called : (1) Fusion (2) Diffusion (3) Polymerization (4) Synthesis

Last Answer : (3) Polymerization Explanation: Polymerisation is the chemical process of monomers joining together to form polymers, often it takes many thousands of monomers to make a single polymer.

Maintenance of alkaline batteries should include _________. A. checking the electrolyte weekly using a hydrometer B. replacing the electrolyte every 5 years C. top off with sulfuric acid as needed D. making certain connections are tight and clean

Description : Maintenance of alkaline batteries should include _________. A. checking the electrolyte weekly using a hydrometer B. replacing the electrolyte every 5 years C. top off with sulfuric acid as needed D. making certain connections are tight and clean

Last Answer : Answer: D

How many molecules of DNA would result from the molecule after five cycles of PCR?

Description : How many molecules of DNA would result from the molecule after five cycles of PCR?

Last Answer : The number of double stranded DNA pieces is doubled in each cycle, so that after n cycles you have 2^n (2 to the n:th power) copies of DNA. For example, after 10 cycles you have 1024 copies, after 20 cycles you have about one million copies, etc.

What is the equation for the reaction between aluminum and sulfuric acid?

Description : What is the equation for the reaction between aluminum and sulfuric acid?

Last Answer : The chemical reaction is:2 Al +3 H2SO4 = Al2(SO4)3 + 3 H2

What is the chemical reaction for the hydrolysis of DNA using Sulfuric acid?

Description : What is the chemical reaction for the hydrolysis of DNA using Sulfuric acid?

Last Answer : Complete hydrolysis of chromosomal nucleic acids gave inorganic phosphate, 2-deoxyribose and four different heterocyclic bases

Every DNA molecule is made up of molecules called?

Description : Every DNA molecule is made up of molecules called?

Last Answer : dk

(3) Oxides of nitrogen and sulphur Explanation: Acid rain is caused by emissions of oxides of Sulfur and Nitrogen (Sulfur Dioxide and Nitrogen Oxide), which react with the water molecules in the atmosphere to produce acids. The emissions of sulfur dioxide (SO2) and nitrogen oxides (NOx) result from fossil fuel combustion.

Description : (3) Oxides of nitrogen and sulphur Explanation: Acid rain is caused by emissions of oxides of Sulfur and Nitrogen (Sulfur Dioxide and Nitrogen Oxide), which react with the water molecules in the ... The emissions of sulfur dioxide (SO2) and nitrogen oxides (NOx) result from fossil fuel combustion.

Last Answer : (3) live wire and the neutral wire Explanation: Three wires enter most homes from the power pole-two "hot" wires and a third "neutral" wire. Each hot wire provides 120- volt current for ... the main switch is put off because the electric circuit (the path where the electricity travels) gets opened.

Is the correct equation for the reaction below. One molecule of propane gas reacts with five molecules of oxygen gas to form three molecules of carbon-dioxide gas and four molecules of water vapor?

Description : Is the correct equation for the reaction below. One molecule of propane gas reacts with five molecules of oxygen gas to form three molecules of carbon-dioxide gas and four molecules of water vapor?

Last Answer : Yes, it is correct.C3H8 + 5 O2 = 3 CO2 + 4 H2O

Acetylene reacts with water in the presence of sulfuric acid and mercuric sulfate to give (a) Acetone (b) Acetic acid (c) Formaldehyde (d) Acetaldehyde

Description : Acetylene reacts with water in the presence of sulfuric acid and mercuric sulfate to give (a) Acetone (b) Acetic acid (c) Formaldehyde (d) Acetaldehyde

Last Answer : Acetaldehyde

What is the trade name for fuming sulfuric acid or smoked sulfuric acid ?

Description : What is the trade name for fuming sulfuric acid or smoked sulfuric acid ?

Last Answer : Answer : The trade name for fuming sulfuric acid or smoked sulfuric acid is olium.

What is the physical properties of sulfuric acid ?

Description : What is the physical properties of sulfuric acid ?

Last Answer : Pure sulfuric acid is a thick oily liquid , which is soluble in water in all proportions. When mixed with water, a lot of heat is emitted. When water is added to sulfuric acid, the water can explode in the ... stirring. If the mixture is too hot, wait. When it is cold, you have to add acid again.

What is the sign of sulfuric acid ?

Last Answer : : Sulfuric acid signal : H2SO4

Pure Sulfuric Of acid The other Name What ?

Last Answer : Pure Sulfuric Of acid The other Name Sulfan 3

Oil of vitriol is - (1) nitric acid (2) sulfuric acid (3) hydrochloric acid (4) phosphoric acid

Description : Oil of vitriol is - (1) nitric acid (2) sulfuric acid (3) hydrochloric acid (4) phosphoric acid

Last Answer : (2) sulfuric acid Explanation: Sulfuric acid or was called "oil of vitriol" by medieval European alchemists because it was prepared by roasting "green vitriol" in an iron retort.

Oil of vitriol is - (1) nitric acid (2) sulfuric acid (3) hydrochloric acid (4) phosphoric acid

Description : Oil of vitriol is - (1) nitric acid (2) sulfuric acid (3) hydrochloric acid (4) phosphoric acid

Last Answer : (2) sulfuric acid Explanation: Sulfuric acid or H2SO4 was called “oil of vitriol” by medieval European alchemists because it was prepared by roasting “green vitriol” in an iron retort.

Aspirin is produced by heating salicylic acid with (a) acetic anhydride in the presence of phosphoric acid (b) benzoic anhydride in the presence of phosphoric acid (c) methyl alcohol in the presence of sulfuric acid (d) phenol in the presence of sulfuric acid

Description : Aspirin is produced by heating salicylic acid with (a) acetic anhydride in the presence of phosphoric acid (b) benzoic anhydride in the presence of phosphoric acid (c) methyl alcohol in the presence of sulfuric acid (d) phenol in the presence of sulfuric acid

Last Answer : acetic anhydride in the presence of phosphoric acid

Which of the following classes of compounds is unreactive toward sulfuric acid? (a) Alkanes (b) Alcohols (c) Alkenes (d) Alkynes

Description : Which of the following classes of compounds is unreactive toward sulfuric acid? (a) Alkanes (b) Alcohols (c) Alkenes (d) Alkynes

Last Answer : Alkanes

Which compound is responsible for the rotten egg smell? w) sulfuric acid x) putrescine y) hydrogen sulfide z) sulfur dioxide

Description : Which compound is responsible for the rotten egg smell? w) sulfuric acid x) putrescine y) hydrogen sulfide z) sulfur dioxide

Last Answer : ANSWER: Y -- HYDROGEN SULFIDE (NOTE: putrescine is a real compounz)

Which of the following substances would be the best choice to neutralize sulfuric acid? w) sodium hydroxide x) silicon dioxide y) copper metal z) phosphorus pentoxide

Description : Which of the following substances would be the best choice to neutralize sulfuric acid? w) sodium hydroxide x) silicon dioxide y) copper metal z) phosphorus pentoxide

Last Answer : ANSWER: W -- SODIUM HYDROXIDE

Which of the following is NOT an organic acid? w) butyric (pron: byu-TEER-ik) x) sulfuric y) acetic z) citric

Description : Which of the following is NOT an organic acid? w) butyric (pron: byu-TEER-ik) x) sulfuric y) acetic z) citric

Last Answer : ANSWER: X -- SULFURIC

What acid is prevalent in the human stomach? w) sulfuric acid x) nitric acid y) muriatic acid z) amino acids

Description : What acid is prevalent in the human stomach? w) sulfuric acid x) nitric acid y) muriatic acid z) amino acids

Last Answer : ANSWER: Y -- MURIATIC ACID 

During the electrolysis of a dilute aqueous solution of sulfuric acid, what happens to the sulfuric acid concentration?

Description : During the electrolysis of a dilute aqueous solution of sulfuric acid, what happens to the sulfuric acid concentration? 

Last Answer : ANSWER: IT REMAINS THE SAME

Which of the following is the weakest acid? w) hydrochloric acid x) hydrofluoric acid y) sulfuric acid z) nitric acid

Description : Which of the following is the weakest acid? w) hydrochloric acid x) hydrofluoric acid y) sulfuric acid z) nitric acid

Last Answer : ANSWER: X -- HYDROFLUORIC ACID

An unknown amino acid has `0.32%` sulphur by mass . If each molecule has one sulphur atom only 1 g of amino acid has . . . . . . . Molecules :-

Description : An unknown amino acid has `0.32%` sulphur by mass . If each molecule has one sulphur atom only 1 g of amino acid has . . . . . . . Molecules :-

Last Answer : An unknown amino acid has `0.32%` sulphur by mass . If each molecule has one sulphur atom only 1 g of amino ... C. `6.02xx10^(24)` D. `6.02xx10^(23`

1 molecule of palmitic acid on total oxidation to CO2 will yield molecules of ATP (as high energy bonds): (A) 129 (B) 154 (C) 83 (D) 25

Description : 1 molecule of palmitic acid on total oxidation to CO2 will yield molecules of ATP (as high energy bonds): (A) 129 (B) 154 (C) 83 (D) 25

Last Answer : Answer : A

A typical fat molecule is made up of (a) one glycerol and one fatty acid molecule (b) three glycerol and three fatty acid molecules (c) three glycerol molecules and one fatty acid molecule (d) one glycerol and three fatty acid molecules

Description : A typical fat molecule is made up of (a) one glycerol and one fatty acid molecule (b) three glycerol and three fatty acid molecules (c) three glycerol molecules and one fatty acid molecule (d) one glycerol and three fatty acid molecules

Last Answer : (d) one glycerol and three fatty acid molecules.

Which word(s) could be eliminated for a stronger effect Please give my regards to each and every one of my former students?

Description : Which word(s) could be eliminated for a stronger effect Please give my regards to each and every one of my former students?

Last Answer : each and.(each and) You're welcome, J 2021. 2/23/2021 11:46 PM

Which one of the following statements is not correc t? (a) Parallax error is eliminated when there is no change in the staff reading when eye is moved up and down (b) The objective lens is to be focused towards a white or bright background for clear visibility of cross-hairs (c) Temporary adjustments of the dumpy level are to be performed at every set up (d) The eyepiece need not be adjusted after the first set up when the same surveyor is taking readings

Description : Which one of the following statements is not correc t? (a) Parallax error is eliminated when there is no change in the staff reading when eye is moved up and down (b) The objective lens is ... (d) The eyepiece need not be adjusted after the first set up when the same surveyor is taking readings

Last Answer : (b) The objective lens is to be focused towards a white or bright background for clear visibility of cross-hairs

Equal volumes of two monoatomic gases, A and B, at same temperature and pressure are mixed. The ratio of specific heats (Cp /Cv ) of the mixture will be (1) 1.67 (2) 0.83 (3) 1.50 (4) 3.3

Description : Equal volumes of two monoatomic gases, A and B, at same temperature and pressure are mixed. The ratio of specific heats (Cp /Cv ) of the mixture will be (1) 1.67 (2) 0.83 (3) 1.50 (4) 3.3

Last Answer : (1) 1.67

How many number of molecules per unit cell which crystallizes in the form of end face centred (monoclinic) lattice with a molecule at each lattice.chemistry

Description : How many number of molecules per unit cell which crystallizes in the form of end face centred (monoclinic) lattice with a molecule at each lattice. 

Last Answer : 2.

Which of the following molecules or ions is NOT formed when K metal reacts with liquid CH3OH? Is it: w) potassium ion x) hydrogen ion y) methoxy ion z) hydrogen molecule

Description : Which of the following molecules or ions is NOT formed when K metal reacts with liquid CH3OH? Is it: w) potassium ion x) hydrogen ion y) methoxy ion z) hydrogen molecule

Last Answer : ANSWER: X -- HYDROGEN ION

What does sulfuric acid produce by reacting with water ?

Last Answer : : Sulfuric acid reacts with water to produce H2S2O7

From the standpoint of safety, you should never allow salt water to enter a leadacid storage battery or come in contact with sulfuric acid because ______________. A. the resulting gas is extremely flammable B. the resulting gas is a respiratory irritant that can be fatal C. the primary constituent, sodium, reacts lethally with lead peroxide D. combining salt water with lead-acid creates an invisible gas resulting in severe corrosion

Description : From the standpoint of safety, you should never allow salt water to enter a leadacid storage battery or come in contact with sulfuric acid because ______________. A. the resulting gas is ... peroxide D. combining salt water with lead-acid creates an invisible gas resulting in severe corrosion

Last Answer : Answer: B

When the electrolyte level of a lead-acid storage battery has decreased due to normal evaporation, the level should be reestablished by adding _____________. A. distilled water only B. sulfuric acid only C. a weak solution of sulfuric acid and distilled water D. a strong solution of sulfuric acid and distilled water

Description : When the electrolyte level of a lead-acid storage battery has decreased due to normal evaporation, the level should be reestablished by adding _____________. A. distilled water only B. sulfuric acid ... of sulfuric acid and distilled water D. a strong solution of sulfuric acid and distilled water

Last Answer : Answer: A

The electrolyte in a lead-acid storage battery consists of distilled water and _____________. A. hydrogen chloride B. calcium chloride C. sulfuric acid D. muriatic acid

Description : The electrolyte in a lead-acid storage battery consists of distilled water and _____________. A. hydrogen chloride B. calcium chloride C. sulfuric acid D. muriatic acid

Last Answer : Answer: C