1-butanol

95 results

chem

a simple hwk question.. i don't understand what i need to do.. 1-butanol (shown below) burns in the presence of oxygen to give off carbon dioxide and water by the following reaction: C4H9OH + 6 O2 ==> 4 CO2 + 5 H2O If 40.88 mL of 1-butanol burns completely, how many grams ...

Organic Chemistry

I just want to check if I am correct on this Q: What is the major product formed when 1-butene reacts with water in the presence of dilute sulphuric acid? a) 1-butanol b) 2-butanol c) butane d) 1-methylpropanol I "think" that it "should" be "B" (2-butanol)???

chem hwk

a simple hwk question.. i don't understand what i need to do.. 1-butanol (shown below) burns in the presence of oxygen to give off carbon dioxide and water by the following reaction: C4H9OH + 6 O2 ==> 4 CO2 + 5 H2O If 40.88 mL of 1-butanol burns completely, how many grams ...

chemistry

1-butanol (shown below) burns in the presence of oxygen to give off carbon dioxide and water by the following reaction: C4H9OH + 6 O2 ==> 4 CO2 + 5 H2O If 40.88 mL of 1-butanol burns completely, how many grams of 1-butanol have burned? grams =33.1 bu then Now, How many ...

Organic Chemistry

What observed rotation is expected when a 1.44 M solution of (R)-2-butanol is mixed with an equal volume of a 0.720 M solution of racemic 2-butanol, and the resulting solution is analyzed in a sample container that is 1 dm long? The specific rotation of (R)-2-butanol is –13....

Chemistry

what are the intermolecular forces present in: 1. n-propyl alcohol 2. n-butanol 3. 2-butanol 4. tert-butanol alcohol 5. pentane 6. hexanes I know that the forces include- dipole-dipole, ion-dipole, dispersion, and hydrogen bonding...but I don't know how to pick which one is ...

Science

Predict change in temperature for 1-butanol, CHSCH2CH2CH2OH, if same experiment were using 1-butanol?

Chemistry

if the density of 2-butanol is 0.80g ml-1, what volume of 2-butanol would be produced from 1kg of butene

chemistry

How could you prepare: a ) 2-chloropropane from 2-propanol? b) 2-butanone from 2-butanol? c) ethyl acetate CH3COOC2H5 from ethanol? d) 2-methyl-2-butene from 3-methyl-2-butanol?

AP Chemistry

If the heat of combustion of 1-butanol (C4H9OH) is 2,710 kJ/mol, what mass of oxygen is consumed when enough 1-butanol is burned to yield 26,400 kJ of energy? I have no clue where to begin I thought to use enthalpy but it didnt work

AP Chemistry

If the heat of combustion of 1-butanol (C4H9OH) is 2,710 kJ/mol, what mass of oxygen is consumed when enough 1-butanol is burned to yield 26,400 kJ of energy? I have no clue where to begin I thought to use enthalpy but it didnt work

Chemistry

the solubility of 1-butanol in water is 7.9g per 100g of water. What is the maximum amount of 1-butanol that will dissolve in 5.9g of water

Chem

Which one has an optical isomer? butryic acid t-butanol 2-bromo-2-methylbutane 2-amino-2-methyl-butal-1-ol I know it's not t-butanol or 2-bromo-2-methylbutane. Is it 2-amino-2-methyl-butal-1-ol? Correction to above: 2-amino-2-methyl-butan-1-ol (Butan is with an "n" not "l" IF ...

chemistry

The reaction of sec-butylmagnesium bromide with formaldehyde followed by hydrolysis yields? 2,2-dimethyl-1-pentanol 2-butanol 2-methyl-1-butanol 2-pentanol 2,2-dimethyl-1-propanol

chemistry

From the following combustion: 1-butanol + oxygen = carbon dioxide + water. How many grams of carbon dioxide and water are produced when 130.6 grams of 1-butanol is completely burned? Please help me! I have not a clue! Thanks so much!

chemistry

Write the condensed structural formulas for the following alcohols."" Correct the incorrect names."" 4-methyl-1-pentanol 2-methyl-2-butanol 3-ethyl-1-butanol 2, 2-diethyl-4-pentanol 3-ethyl -2-hexanol IS THERE ANY WRONG NAMES??

Chemistry

Diethyl ether has a boiling point of 34.5C, and 1-butanol has a boiling point of 117C. Both of these compounds have the same numbers and types of atoms. Explain the difference in their boiling points. The answer I found was that: only 1-butanol can form hydrogen bonds. But I ...

Chem

A sample of 2-butanol has a specific rotation of 3.25. Determine the % ee and molecular composition of this sample. The sepcific rotation of pure (+)-2-butanol is +13.0. is it (3.25/13.0)x100%= 25%... i'm a little confused on the molecular composition though.

organic chemistry

A sample of 2-butanol has a specific rotation of -9.75 degrees. Determine the % ee (enantiomeric excess) and the molecular composition of this sample. The specific rotation of pure (+)-2-butanol is +13.0 degrees.

Chemistry

Which alcohol has the strongest intermolecular force of attraction? The weakest? Explain. A. 1-Propanol B. 1-Butanol C. n-pentane D. n-hexane E. methanol F. ethanol We shall be happy to critique your thinking. Hint: look at the hydrogen bonding from the alcohols (and hydrogen ...

chem

balance 1-butanol + oxygen=carbon dioxide+water how many grams of carbon dioxide and water are produced when 130.6 grams of 1-butanol is completly burned?

college chemistry

An electrical heater is used to add 19.50 kJ of heat to a constant-volume calorimeter. The temperature of the calorimeter increases by 4.50°C. When 1.75 g of butanol (C4H9OH) is burned in the same calorimeter, the temperature increases by 14.58°C. Calculate the molar heat of...

Chemistry

A sample of 2-methyl-1-butanol has a specific rotation of -3.25°. Pure (R)-2-methyl-1-butanol has a specific rotation of +5.75°. Determine the %ee and molecular composition of the sample.

Chemistry

Two liquids, n-pentane and 1-butanol, have nearly the same molecular weight, but significantly different temperature values. Why is there a difference between these two substances, based on their intermolecular forces? temperature values? Do you mean boiling points? We are ...

O CHEM - dr. bob

1. What is the maximum volume (at STP) of the butene mixture that could be obtained by the dehydration of 81 mg of 2-butanol? 2. When 2-methylpropene is bubbled into dilute sulfuric acid at room temperature, it appears to dissolve. What new substance has been formed? Responses...

Organic Chemistry- help Dr. Bob

1. What is the maximum volume (at STP) of the butene mixture that could be obtained by the dehydration of 81 mg of 2-butanol? 2. When 2-methylpropene is bubbled into dilute sulfuric acid at room temperature, it appears to dissolve. What new substance has been formed? Responses...

Chemistry, Please HELP!

What are the names of the seven isomers of C4H10O? A = t-butyl alcohol (2-methyl-2-propanol) B = sec-butyl alcohol (2-butanol) C = butyl alcohol (1-butanol) D = isobutyl alcohol (2-methyl-1-propanol) Other constitutional isomers are ethers: diethyl ether methyl propyl ether ...

Org. Chem.

Explain these results by considering the polarities of the alcohols and water. - 1-octanol is insoluble in water - 1-butanol is partially soluble in water Explain in terms of polarities for: - 1-octanol is soluble in hexane - 1-butanol is soluble in hexane - methyl alcohol is ...

Organic chemistry

what is the line structure for 2-butanol?

Organic chemistry

2- butanol + 2-pentanoic acid

chemisty

how do you convert 50 microliters of 2 butanol to moles?

chemistry

what are the structures and iupac names of the isomers of 2-butanol.

Science

Give the condensed structural formula for 1-butanol

Chemistry

If 84 g of CO2 were produced, how many grams of butanol were burned?

Chemistry

Will 1-propanol and 1-butanol form an ideal solution?

O-CHEM (PLEASE CHECK)

How many stereoisomers are there for 1,2-dichlorocyclopentane?: a) 1 b) 2 c) 3 d) 4 answer: "B" (2)??? or: "D" (4)??? How many stereoisomers are possible for: cortisone acetate?: a) 32 b) 64 c) 128 d) 256 answer: "B" (64)??? How many stereoisomers are possible for Prilosec?: a...

Science

Explain why pentane has a significantly higher vapor pressure than 1-butanol?

CHEMISTRY

WHAT IS THE COST PER KJ TO PRODUCE METHANOL, ETHANOL, PARIFFIN, PROPANOL,AND BUTANOL?

Chemistry

Which compound in each pair would you expect to be more soluble in water? dibutyl ether or 1-butanol Why?

Chem

What are the organic side reactions and products that can occur when 1-butanol is treated with NaBr and H2SO4? Any help would be great, thanks.

organic chem

Name the ester obtained when the alcohol is reacted with 2-ethylpentanoic acid? 1. 2 -propanol 2. 2-butanol 3, phenol

Chemistry

How many kcal of heat energy are required or released when 1.73 moles of butanol , C4H9OH, is warmed from -175.8 degrees F to 360.9 degrees F? The following information concerning butanol applies: normal melting point: 12.5 degrees C normal boiling point: 162.8 degrees C Cp (s...

Organic Chem

what is the equation including the mechanism for the reaction of 1-butanol with NaCl+ NaBr in H2S04 What are the equations for the side reactions?

Chemistry

When secondary alcohol oxidized it produces alkanes. Draw the structure of 2,2 dimethyl 3-butanol + oxygen and give the names for it.

chemistry

Reaction with Felings solution,if adding 2-butanol to potassium dichromate, in this experiment what spiecfic organic product would be form and structure.

Chemistry

Please help Butanol's structural formula is C4H10, why? [Methanol?Ethanol?Pentanol?) Pentan-1-ol exists as several different isomers. I don't know how to draw them.

chemistry

which of the following chemical substances would you expect to exhibit the greatest degree of hydrogen bonding? A. ethanol B.propanol C. methanol D. butanol

Org. Chem.

are 1-octanol and 1-butanol polar or nonpolar? I think slightly polar?

Organic Chemistry 1

write a step-by-step mechanism for the reaction of 1-butanol with sodium bromide and sulfuric acid.

science

Give the condensed structural formula for 1-butanol. (Type your answer using the format CO2 for CO2.)

chemistry

From the following combustion: 1-butanol + oxygen+ carbon dioxide + water. How many grams of carbon dioxide and water are produced when 130.6 grams of 1-butanol is completely burned? I wrote out the equation and got C4H10) + 02= CO2 + H2O. i balanced the equation and got ...

chemistry

2-Methyl-2-propanol (tert-butanol) reacts to give 2-chloro-2-methylpropane (tertbutyl chloride) and 2-methyl-1-propene. The reaction mechanisms are:

chem

Hers's a question im not sure how to do Write a mechanism for the acid-catalyzed transesterification reaction of ethyl acetate with 1-butanol, which gives butyl acetate. Thank you soo much!!!!!!!!!!!!!!!!!!!!!!

chem

Arrange the following compounds in order of increasing boiling point. butanal 1-butanol diethylamine tartaric acid butane butanoic acid and can you please explain why?

Chemistry Lab

we reacted acetic acid with butanol and formed butyl acetate which is supposed to smell like banana but it smelled like sharpie/nail polish remover why might this be

O Chem

1. What is the maximum volume (at STP) of the butene mixture that could be obtained by the dehydration of 81 mg of 2-butanol? 2. When 2-methylpropene is bubbled into dilute sulfuric acid at room temperature, it appears to dissolve. What new substance has been formed?

organic chem

Classify as primary, secondary, tertiary alcohols. i. 2-butanol ii. 3-methyl-3-pentanol iii. 2-methyl-1-pentanol iv. 3-chlorocyclohexanol

Organic chemistry

In Hydration of 2-Ethyl-1-Butene which is the major product and which is the minor product? possible products are 3-methyl-3-pentsnol with a bp of 123C and 2-ethyl-1-butanol with a bp of 146C. Thank you!

Chemistry

In the case of a small amount of your unknown failed to dissolve in the t-butanol, would it effect the molar mass? = Does molarity increase as molar mass increases?

Organic Chemistry

What is the theoretical volume (at STP) of butene product that can be obtained from the dehydration of 0.412 g of 2-butanol? (MW = 74 g/mol; 22.414 L/mol) A. 125 L B. 1.36 L C. 125 mL D. 0.000248 L Can you please show calculations

chemistry

The normal boiling point of liquid butanol is 391 K. Assuming that its molar heat of vaporization is constant at 45.9 kJ/mol, the boiling point of C4H9OH when the external pressure is 0.647 atm is

chemistry

Use the following information to find Hf of butanol [C4H9OH(l)]. C4H9OH(l) + 6 O2(g) 4 CO2(g) + 5 H2O(g) Hcomb = -2712.9 Hf of CO2(g) = -393.5 kJ/mol Hf of H2O(g) = -241.8 kJ/mo

chemistry

n-pentane and 1-butanol have nearly the same molecular weights but significantly different change in temperature values. explain the difference in change in temperature values of these substances based on their intermolecular forces.

organic chem

what should you see when 2-butanol is treated with NaI-I2? if you pour ethylene glycol into water it mixes in all oroprtions. but if you bubble butane, a gas of comparable molar mass through water, it does not mix but just bubbles away. how do you explain these differences?

chemistry

Suggest a solvent pair for N-Bromosuccinimide using the following solubility data. Solubility of N-Bromosuccinimide (g/100g of solvent) Tert-butanol 0.73 Hexane 0.006 Glacial acetic acid 3.10 Acetone 14.40 Carbon tetrachloride 0.02

Chemistry

Hi there, I have to create a paragraph discussing 1-pentanol, 1-decanol and 1-butanol in regards to the principles of intermolecular bonding. Which one of the molecules have stronger intermolecular forces and why? Could you give me some pointers or tips I'm having difficulty ...

Chemistry-HELP!!!

Show the side reactions and products that can occur when 1-butanol is treated with NaBr and H2SO4. R-OH (yields:NaBr and H2SO4) 1-bromobutane + water + sodium bisulfate This question was posted before, but I have the same question and seriously need help!!!

organic chemistry

which of the following represents the best strategy for synthesizing 2-butanol, CH3CH2CH(OH)CH3 a) CH3CH=CHCH3 + [H30]+ b) CH3CH2C (triple bond) CH + [H3O]+ c) CH3CH=CH2+ [CH3OH2]+ d) CH3C (triple bond)CCH3 + [H3O]+

chemistry

What will be the fastest reaction if a strong base, such as sodamide, reacts with a secondary alcohol, such as (2S)-butanol? a) deprotonation of the alcohol b) substitution with racemization of stereochemistry c) elimination to form the more substituted alkene d) substitution ...

Chemistry

two solutions are prepared using the same solute solution a: 0.27g of the solute disolves in 27.4g of t-butanol solution b: 0.23g of the solute disolves in 24.8g of cyclohexane which solution has the greatest freesing point change? show calculations and explain.

Chemistry

two solutions are prepared using the same solute solution a: 0.27g of the solute disolves in 27.4g of t-butanol solution b: 0.23g of the solute disolves in 24.8g of cyclohexane which solution has the greatest freesing point change? show calculations and explain.

chemistry

You have a solution that contains 0.25g grams of oxalic acid dissolved in 100 mL of water. This solution is placed in a separating funnel, and the 100 mL of butanol is added to the solution. calculate the mass of oxalic acid in the organic solvent

Chem Help

what is meant by the following question give a detailed experiment design for the conversion of 2-methyl-2-butanol to 2-methyl-2-butene on the 0.2 molar scale. I don't need help with the experimental design I just didn't understand what is meant by 0.2 molar scale. thanks!

Chem

Sort the pairs of related compounds by their carbonyl stretching frequencies in cm–1. (There will be three compounds per bin.) Bin # 1: Slightly higher Bin #2: Slightly lower Compounds: -butanol -but-2-enal -heptan-3-one -hept-4-en-3-one -cinnamaldehyde -3 phenylpropanal

Dr. Bob please help :)

Sort the pairs of related compounds by their carbonyl stretching frequencies in cm–1. (There will be three compounds per bin.) Bin # 1: Slightly higher Bin #2: Slightly lower Compounds: -butanol -but-2-enal -heptan-3-one -hept-4-en-3-one -cinnamaldehyde -3 phenylpropanal

PLEASE HELP CHEM DR BOB :O

Sort the pairs of related compounds by their carbonyl stretching frequencies in cm–1. (There will be three compounds per bin.) Bin # 1: Slightly higher Bin #2: Slightly lower Compounds: -butanol -but-2-enal -heptan-3-one -hept-4-en-3-one -cinnamaldehyde -3 phenylpropanal

chemistry

Consider the following five compounds. a. CH3CH2CH2CH2CH3 b. OH ' CH3CH2CH2CH2 c. CH3CH2CH2CH2CH2CH3 d. O '' CH3CH2CH2CH3 e. CH3 ' CH3CCH3 ' CH3 The boiling points of these five compounds are 9.5 C, 36 C, 69 C, 76 C, and 117 C. Which compound boils at 36 C? Explain. a. ...

Org. Chem.

1. Are the following soluble, insoluble, or partially soluble. - Benzophenone in hexane? - 1-octanol in hexane? I think soluble? - 1-butanol in water? in hexane? - methyl alcohol in hexane? I think partially soluble? Please help me and explaining would be greatly appreciated.

chemistry

What is the condensed formula for 1-butanol. I know the condensed formula methanol, ethanol, 1-propanol and 1-hexanol. methanol CH3OH ethanol CH3CH2OH 1-propanol CH3CH2CH2OH 1-hexanol CH3(CH2)5OH

chemistry

Given one of the starting materials and end product for each of the following reactions, show all reactants, reaction conditions in brackets (where known) and products. sorry i know this question has been posted already, but i need help. could you explain to me how to do them...

chemistry

Which of the following would lower the vapor pressure of a sample of butanol in a closed container? I) decreasing the temperature of the sample II) decreasing the size of the container III) draining off some of the liquid a. I, II and III b. I and II c. II and III d. I and III...

Chemistry

Hi, Just have follow up questions to the previous questions asked dating Feb. 02, 2013 1. So the overall idea is that dissociation decreases molar mass and association does the opposite when a solute dissolves in a solvent. (How do you identify if either reaction occurs? Just ...

Analytical chem

Cu+ reacts with neocuproine to form the coloured complex (neocuproine)2Cu+, with an absorption maximum at 454 nm. Neocuproine is particularly useful because it reacts with few other metals. The copper complex is soluble in 3-methyl-1-butanol, an organic solvent that does not ...

Chem

Could you check my answers and if wrong, suggest the right one. 1. In gas chromatography, two measurements are made. Identify the qualitative and quantitaive measurements. dye color and retention time 2. Why are components such as polymers like starch and cellulose unsuited to...

Chemistry

An structural isomer of bromobutane (C4H9Br) can be hydrolysed using aqueous sodium hydroxide to produce butanol. This can be represented by the following equation: C4H9Br(l) + OH-(aq)  C4H9OH(l) + Br-(aq) This reaction was investigated experimentally and the following...

science(chemistry)

I have a question about TLC plate solvents. What solvents will leave stains on a plate with a TLC plate out of the ones below and why?) (n-Octane, n-Hexane, Decane, Acetone, 1-Propanol, 2-Propanol, Ethanol, Toluene, Cyclohexane, Methanol, n-Heptane, n-Pentane, Butanol) I saw 2...

chemistry

Determine whether ∆H is equal to, greater than, or less than ∆U for the following reactions. Keep in mind that “greater than” means more positive or less negative, and “less than” means less positive or more negative. Assume that the only significant change...

Chemistry

An structural isomer of bromobutane (C4H9Br) can be hydrolysed using aqueous sodium hydroxide to produce butanol. This can be represented by the following equation: C4H9Br(l) + OH-(aq)  C4H9OH(l) + Br-(aq) This reaction was investigated experimentally and the following...

chemistry: please check answers.

1. How many valence electrons does a carbon atom have? A) 1 B) 2 C) 3 D) 4<<my answer 2. How many double covalent bonds are in an alkane? A) 0<<my answer B) 1 C) 2 D) 3 3. What is the general formula for a straight-chain alkane? A) CnHn B) CnHn+2 C) CnH2n D) CnH2n+...

CHemistry....Please help

1.SOLUBILITY: At 25C, the molar solubility of calcium phosphate in water is 1.1*10^{-7}M. Calculate the solubility in grams per liter. I m not sure how to convert M to g/L MOLAR MASS OF COLLIGATIVE PROPERTIES: 2.tert-Butyl alcohol is a solvent with a Kf of 9.10 C/m and a ...

Chemistry

Rates of reaction, redox reactions? 10 points? An structural isomer of bromobutane (C4H9Br) can be hydrolysed using aqueous sodium hydroxide to produce butanol. This can be represented by the following equation: C4H9Br(l) + OH-(aq) > C4H9OH(l) + Br-(aq) This reaction was ...

Biology

Which of the following is not a terminal electron acceptor in anaerobic respirations? a)nitrite b)carbon dioxide c)hydrogen sulfide d)sulfate e)nitrate Question 2 Which of the following is not an end product of fermentation? a)pyruvate b)none of the answers are correct c)...

Chemistry

Chemistry HELP - Rates of reaction, redox reactions? 10 points? An structural isomer of bromobutane (C4H9Br) can be hydrolysed using aqueous sodium hydroxide to produce butanol. This can be represented by the following equation: C4H9Br(l) + OH-(aq) > C4H9OH(l) + Br-(aq) ...

Chem- Dr. Bob!

Posted by Rachel on Thursday, January 20, 2011 at 3:57pm. Does anyone know where I can get an image of the valence bond model for maleic acid? ie. showing the pi and sigma bonds and indicating the hybridization (sp2, sp3.. ) OR could someone describe these things to me? I'm ...

ap chemistry

there's a few questions I have...actually it's a bit more than a few... 1. Identify the carbon atom(s) in the structure shown that has (have) each of the following hybridizations: a. sp3, b. sp, c. sp2 N*triplebond*C-CH2-CH=CH-CHOH | CH=O | H 2. Draw all the possible noncyclic...

Pages

  1. 1