Friday
September 19, 2014

Search: cWhat Is The Structure Of CH3C(CH3)2C(TRIPLE BOND)CCH(CH3)CH2CH3

Number of results: 4,403

Chemistry
Explain the difference in bond lengths of N2, O2, and F2. Ans: I assume it's because of bond order (single, double, and triple bonds). Explain the difference in bond lengths of HF, HCl, and HBr. Ans: I'm not sure about this one???
April 14, 2009 by John Jeremy

chemistry(check my answer)
how do resonance structure related to its real structure? resonance structure is just another way to write the lewis dot with different formal charges and bond order
April 8, 2010 by phys

chemistry quick question
I need help with something and can't find this anywhere online. my structure looks like this OH CH2 CH3CH2CH2CHCHCH2CH3 CH3 So that OH looks like it is on a ethyl group. I need to write the IUPAC name and I wrote 3-methyl-4-heptanol but realized my mistake as that would ...
March 25, 2013 by michelle

College Chemistry
Estimate the enthalpy change for the following reaction OH(g)+CH4(g)==>CH3(g)+H2O(g)
April 21, 2011 by West

CHEMISTRY
What is the molality of 22.5 g acetone (CH3)2CO , in 200 g water ? ( the answer is 22.0 m , that I think is wrong .. )
September 17, 2014 by MAD

chemistry
What is the molality of a solution composed of 192g of acetone ((CH3)2CO) dissolved in 416g of water
February 25, 2010 by Anonymous

College Chemistry Help Please!
what is the pH of a solution that is 0.200 M in methylamine, CH3 NH2 CH3NH2+ H20<======> CH3NH3+ + OH- Kb= 4.2 x 10 ^-4
November 9, 2010 by shanice

Chemistry
The pH of sodium acetate/acetic acid buffer is 4.5 . Calculate the ratio of [CH3 COOH]/[CH3COO-]
January 9, 2012 by Ethio

chemistry
What is the molality of a solution composed of 2.55g of acetone (CH3)2CO, dissolved in 200.g of water?
June 15, 2012 by punk480

chem
How many molecules of (CH3)2NH are needed to react completely with 2.00mg of H2C2O4? Help i don't understand this process!
June 18, 2012 by Piper

chem
How many molecules of (CH3)2NH are needed to react completely with 2.00mg of H2C2O4? Help i don't understand this process!
June 18, 2012 by Piper

chem
How many molecules of (CH3)2NH are needed to react completely with 2.00mg of H2C2O4? Help i don't understand this process!
June 18, 2012 by Piper

chem
How many molecules of (CH3)2NH are needed to react completely with 2.00mg of H2C2O4? Help i don't understand this process!
June 19, 2012 by Piper

Organic Chemistry
Rank the given compounds based on their relative Brnsted acidities. H-CH3 H-OH H-Cl H-F H-NH2
September 8, 2014 by Breauna

Chemistry
SO2 can be drawn as a molecule which satisfies the octet rule (using one double bond and a single bond) or as an expanded octet (using two double bonds). A measurement of the S-O bond distance demonstrates that the two bond lengths are identical. Does this clarify which Lewis ...
October 25, 2009 by Adam

Chemistry
C2H2(g) + 2 H2(g)--> C2H6(g) Information about the substances involved in the reaction represented above is summarized in the following tables. Substance So (J/mol∙K) ∆Hf (kJ/mol) C2H2(g) 200.9 226.7 H2(g) 130.7 0 C2H6(g) - - -84.7 Bond Bond Energy (kJ/mol) C-C...
January 15, 2011 by Brenda

Chemistry
C2H2(g) + 2 H2(g)--> C2H6(g) Information about the substances involved in the reaction represented above is summarized in the following tables. Substance/ So (J/mol∙K) /∆Hf (kJ/mol) C2H2(g) / 200.9 / 226.7 H2(g)/ 130.7 / 0 C2H6(g)/ ?? / -84.7 Bond Bond Energy (...
January 15, 2011 by Brenda

Chemistry
C2H2(g) + 2 H2(g)--> C2H6(g) Information about the substances involved in the reaction represented above is summarized in the following tables. Substance/ So (J/mol∙K) /∆Hf (kJ/mol) C2H2(g) / 200.9 / 226.7 H2(g) / 130.7 / 0 C2H6(g)/ ?? / -84.7 Bond Bond Energy...
January 16, 2011 by Brenda

Chemistry
C2H2(g) + 2 H2(g)--> C2H6(g) Information about the substances involved in the reaction represented above is summarized in the following tables. Substance/ So (J/mol∙K) /∆Hf (kJ/mol) C2H2(g) / 200.9 / 226.7 H2(g) / 130.7 / 0 C2H6(g)/ ?? / -84.7 Bond Bond Energy...
January 25, 2011 by Brenda

Chemistry
Which of the following would be the best solvent for NH3 and why? CH3(CH2)4CH3, CCl4, CH3OH, BrCH2CH2CH3.
October 27, 2008 by Jacqueline

chemistry
1.) What must be the molarity of an aqueous solution of trimethylamine (CH3)3N if it has a Ph of 11.04? Kb = 6.3*10^-5 if someone can show the mechanics of doing this, will be appreciated much.
March 28, 2010 by anonymous

chemistry
which of the following molecules can have optical isomers? a. CH2Cl2 b. H2NCH(CH3)COOH c. ClCH(OH)CH2Cl is b and c
June 25, 2010 by Ana

Chemistry
Rank the following in order by increasing boiling point and explain why? CH3Cl Rn CH4 CH3-CH2-OH
March 8, 2011 by MMPM

chemisry
8. Write the structural formula of organic product that would result from the reaction: CH3CH=CH2 + H2O->.
May 4, 2011 by cindy

chemistry
list the numbers and types of atoms represented by these chemical formulas. a.Fe2O3 b.KMnO4 c.CH3 d.NH4NO3
December 13, 2011 by arwin

Chemisty
Classify the following: 1)CH3CHCH2COOH ! CH3 I think this is a carboxylic acid because of the COOH attached. Would you agree?
September 12, 2012 by Hannah

Chemistry
Write an equation for the reaction that takes place when each base is added to water. A) LiOH B) (CH3)2NH.
July 11, 2014 by tammy

Chemistry
Select the true statements regarding the resonance structures of formate. HCO2 Check all that apply: Each oxygen atom has a double bond 50% of the time. The actual structure of formate is an average of the two resonance forms. Each carbon-oyxgen bond is somewhere between a ...
November 11, 2012 by Anonymous

chemistry
I have a chart and I have to draw the structure,name the shape snd lable the bond angle of some compounds. I've done most of them but im stuck on a few so heres what I need.Please and thank you structure of NF3 structure,shape and bond angle of TeCl2 bond angle of CCl4 CCl4 is...
May 16, 2007 by mike

complete and balnces theses reactions
how do i complete and balnces theses reactions???? CH3-CH2-CH3 (g) + Br2 (l) --> like how in the world????? do i do this? lol aint got a clue wish i would have listened at school now. Alkanes usually react with a halogen to form one of several halides. The simplest reaction...
June 13, 2006 by bobby

chem
Arrange the following amines in order of decreasing base strength. NH3, NH2Br, CH3NH2, (CH3)2NH
February 16, 2009 by help!!!

chemistry
I have to draw the QMM of CL2C2. For the Lewis structure i think that the two C ayoms form a triple bond and the Cl atoms form single bonds. Therefore i think that the central C atom hybridizes into sp. if this is correct, my question is how do i know which p orbital on C to ...
April 29, 2009 by lyne

Chemistry (lewis structure/bond)
Example: Sulfur Trioxide Chemical formula: SO3 Valence e-: ? Needed e-: ? Difference/Bond: ?? Please help me!
April 15, 2011 by Toni Jones

CHEMISTRY
C12H20(Y)--> 22CH2=O+ 2CH3C(=O)CH2C(=O)CH3 The reagents used are ozone, Zn and H20 Give condensed formula of C12H20Y
November 12, 2007 by Delli

chemistry
According to the IUPAC system what is the following compound: CH=C-CH-CH-CH3 (It is not an equal sign but has three dashes up and down instead of two)
June 1, 2010 by mary

chem
What are the IUPAC names of the following alkane. CH3CHCH3 I CH3CH2CH2CHCH2CHCH3 I CH3 i thought it was 2-methyl-4-propylheptane but aparently that is wrong. does anyone know the answer?
October 24, 2010 by rebekah

chemistry
Please i tried to give this answer on a quiz but it was not accepted. To name this alkane: CH3CH2CH2CHCH3 with a substituent of CH3 on 2nd carbon.
April 11, 2013 by Rashidat

CHEMISTRY
Ch3CN(CH3)C2H5 is my kekule drawing ok? I drew it and uploaded a picture. oi61. tinypic . com/2vmztir.jpg
September 7, 2014 by JESS

Science
Why is the energy released to break a triple bond not three times the energy to break a single bond?
August 25, 2012 by Marie

science
if two carbon atoms are joined by a triple bond how many other atoms can each carbon atom bond with
October 1, 2012 by Neil

science
if two carbon atoms are joined by a triple bond how many other atoms can each carbon atom bond with
October 1, 2012 by Neil

Chemistry
Describe what a chemical bond is in terms of electron density between two atoms. What are the bond angles for an octahedral structure and how many? Predict the formal bond angles about the central atom for the following molecules: TeBr4 Express your answers using three ...
October 28, 2011 by Caitlin

cch
y-abs(-2x/3x+1)
September 8, 2011 by israel

Chemistry
Complete the reaction: Methanol and propanoic acid are mixed. Okay, I got the two formulas: CH3OH + CH3CH2COOH ---> ??? ...now I don't know what to do. Lots of CH3's and CH2's. Help? Thanks!
November 28, 2009 by Nikki

Chemistry
(a) Which of the following are requirements for anionic polymerization? 1-A double bond 2- End groups which can react by releasing a small molecule 3- A strong base to initiate the reaction 4- A strong acid to initiate the reaction 5- An electron-withdrawing group near the ...
November 26, 2013 by Saraa

Chemistry
It says to draw the structural formula CH3CH(OH)CH3 on my hw. What's the parenthesis in the formula?
May 25, 2011 by Jamie

org chem
describe the hybridization (sp3, sp2, sp) of the following bonds. BH3 (all single bonds) Is it sp2? H-C triple bond C-H Is it sp? A double bond with two methyls connected at each end Is it sp2? Please Help ASAP
September 21, 2009 by CM

organic chemistry
on a newman projection, what does it mean when there is a blank where a substituent should be? does that mean H or CH3?
October 25, 2009 by cathy

Chemistry
Does anyone know the condensed structured formula in the following reaction: a.CH3--CH2--CH=CH2+HOH-->H+ Thank you.
July 26, 2010 by Beth

science(chemistry)
complete the following reaction: 1.CH3-CH-_CH2+H2O 2.CH2-CH2+Br2
February 19, 2012 by RAYNOLD

chemistry
If the following thiol containing compound is oxidized, what product will be obtained? CH3-SH --> Can someone please help me with this? The only examples my book has are with two S, so I don't know how to do it with just one S. Thank you!!
February 22, 2010 by Amanda

Chemistry
(a) Which of the following are requirements for anionic polymerization? --A double bond --End groups which can react by releasing a small molecule --A strong base to initiate the reaction --A strong acid to initiate the reaction --An electron-withdrawing group near the double ...
November 19, 2013 by Anon

Chemistry
Im not sure where to factor in the two longer compounds for this problem. "Rank the given compounds based ontheir relative acidities" HF H2C--CH2 NH3 CH4 HC---CCH3 This is the order i thought it was, but this isnt right apparently... (--- means triple bond, -- means double bond)
October 13, 2010 by Tokey

CHEMISTRY
WHAT IS THE NAME AND CLASS OF Br-CH2-CH2-CH3
January 3, 2013 by ERERER

Chemistry
Predict whether the following reactions will be exothermic or endothermic A) N2(g)+ 3H2(g) --> 2NH3(g) B) S(g) +O2(g) ---> SO2(g) C) 2H2O(g) ---->2H2(g) + O2(g) D) 2F(g) +F2(g) Bond H-H 432 kj/mol N-N(triple bond) 942 kj/mol O=O 494 KJ/Mol F-F 155 KJ/mol H-N 386 KJ/...
January 22, 2012 by Kristen

physical science
plse make sure these are correct 1.When an atom loses an electron is.. a. becomes a negative ion. b. becomes a positive ion. c. forms a covalent bond. d. gains protons is the answer D 2.Which of these is a property of an ionic compound? a. low melting point b. poor conductor ...
November 17, 2008 by Amy

AP Chem
I am really having a hard time with this question. Which of these compounds will exhibit optical isomerism? Show why. a) CH3CH2CONHC2H5 b) CH3-CH-NO2 CH2-COOH i don't even know where to begin.
December 16, 2007 by Christopher

Chemistry
Which solvent, water or hexane (CH3(CH2)4CH3), would you choose to dissolve each of the following substances? a. Ethanol (CH3CH2OH) b. CCl4 c. H2S d. Benzene (C6H6)
June 1, 2012 by Katrina Kaif

chemistry help plz
H / benzene ring-N \ CH3 select the class of compound from the choice below. 1-acetal 2-alcohol 3-alkene 4-amide 5-amine 6-carboxylic acid 7-ester 8-haloalkane
January 20, 2013 by centya

chemistry
which is more soluble in kerosene, ethanol or 1-hexanol and why? kerosene: [CH3(CH2)nCH3 where n = 10-13]. I have no idea. I looked it up online, but i couldn't find anything.
January 19, 2009 by jen

chemistry
how many electrons are shared by two atoms that form a triple bond?
January 11, 2009 by chris

Chemistry
What type of bonds(sigma or pi) and how many of each are used to form a triple bond?
December 3, 2012 by Erin

Organic chem
I just need some clarification regarding SN1 reactions Okay...so a reaction with a secondary ALKYL HALiDE + CH3OH (Methanal), why is the nucleophile CH3O? why doesn't it dissociate to give CH3 and OH?
February 20, 2010 by Kim

chemistry
You have 20 mL of a 0.1 M aquesous solution of the weak base (CH3)3N (Kb = 7.4x10^-5). This solution will be titrated with 0.1 M HCl. how many mL of acid must be added to reach the equivalence point?
February 8, 2012 by laura

Chemistry
Complete and balance the following (CH3)2NH(aq)+CH3COOH(aq)→ CH3CH2NH2(aq)+HBr(aq)→ CH3NH2(aq)+HCOOH(aq)→
May 27, 2014 by Nancy

Chemistry!!
Complete and balance the reaction of A) (CH3)2NH(aq)+CH3COOH(aq)→ B) CH3CH2NH2(aq)+HBr(aq)→ C) CH3NH2(aq)+HCOOH(aq)→
June 2, 2014 by Alex

Chem
Complete and balance the reaction of A) (CH3)2NH(aq)+CH3COOH(aq)→ B) CH3CH2NH2(aq)+HBr(aq)→ C) CH3NH2(aq)+HCOOH(aq)→
June 2, 2014 by Alex

Chemistry
Complete and balance the reactions A) (CH3)2NH(aq)+CH3COOH(aq)→ B) CH3CH2NH2(aq)+HBr(aq)→ C) CH3NH2(aq)+HCOOH(aq)→
June 3, 2014 by Tim

identifying a gas (check partial work)
A cylinder was found in a storeroom of a manufacturing company. The cylinder was so old that the label had fallen off, and no one remembered what the cylinder held. A 5 mg sample was found to occupy 4.13 mL at 23 Celsius and 745 torr. The sample was also found to be composed ...
June 16, 2006 by Kizner (chem)

Chem
Draw a Structural Formulae for Hydrogen Cyanide (HCN) and Cyanogen (C2N2 or CN2) Hydrogen = 1 Valency Nitrogen = 3 Valencies Carbon = 4 Valencies H-C(triple bond)N N(triple bond)C-C(triple bond)N Thank you And for a Lewis Structure they would be H:C:::N: and :N:::C:C:::N: very...
March 12, 2007 by Anthony

ap chem
the decomposition of (CH3)2O has a rate constant of 6.8x10^-4 s^-1. the initial pressure is 135 torr, what is the partial pressure after 1420s? i don't have the slightest idea on how to solve this.
February 17, 2008 by anna

chemistry
Provide a synthesis of the following aldehyde starting from ethylene. Show the reagents and products for each step. H2C=CH2 --> CH3-CH2-CH=O Try to be as clear as possible. Thanks!
August 31, 2012 by Confused

Chemistry 1202
3CH4(g)->C3H8(g)+2H2(g) Calculate change in G at 298 k if the reaction mixture consists of 41atm of CH4 , 0.010 atm of CH3, and 2.310−2 atm of H2.
November 5, 2012 by BMW

Chemistry
I have a diagram that I have to identify for homework. The structure shows an "R" connected with single bond to carbon(in the middle)-which in turn is connected to OH with single bond.-The carbon in the middle has a double bond with Oxygen on the top. The possible answers are ...
April 26, 2010 by Ian

organic chemistry
What equation will ch=ch-ch2-ch2-ch2-ch3 + kmno4 create?
September 11, 2012 by Anonymous

Chemistry
Select all cases where the substance shown has a molecular dipole. CHF3 fluoroform H2NCH2CH2OH ethanolamine CF3CF3 hexafluoroethane CCl2CCl2 tetrachloroethylene (CH3)3N trimethylamine CHFCHF cis-1,2-difluoroethene None
January 22, 2010 by Angel

science
asprin (C9 H8 O4) is produced by the rection between salicylic acid (C7 H6 O3) and acetic anhydride(C4 H6 O3). Calculate the maximum mass of aspirin that can be obtained if you mix 50g of each of the reactants. The chem.equation for the reaction is as f.f C7 H6 O3(s) + C4 H6 ...
May 9, 2011 by allan

chemistry
need math on 3. From the balanced Equation (6) and the results from step # 2 calculate the number of moles of acid titrated. (6) is CH3 COOH (aq) NaOH (aq) → Na+(aq) + CH3COO- (aq) + H2O results from #2 is 7.2*10^-3 L
February 9, 2012 by Everett

chemistry
Classify the following: 1) CH3CN There is a triple bond between the C and N. I am really not sure what compound this is.
September 12, 2012 by Hannah

chem
Use bond energies to estimate the enthalpy change for the following reaction C2H2 + H2-> C2H4 i figured the bonds broken are: 1 C triple bond C 1(812kj/mol) 2 C-H 2(414kj/mol) 1 H-H 1(435kj/mol) Bonds formed 1 C=C 1(590kj/mol) 4 C-H 4(435kj/mol) Is this right
November 12, 2008 by tomi

chem
U have to show the partial charges and bond dipoles on my ;lewis structure of CH3Cl For the partial charges would I just have a negetive sign as the superscript of Cl and a positive sign and the superscript of C ? What exactly must I do to show bond dipoles? I didn't know that...
July 8, 2009 by Lena

chemistry
Draw a line-bond structure for propene,CH3CH=CH2; indicate the hybridization of eachcarbon, and predict the value of each bond angle. Can someone explain the steps, im lost with how our teacher explained, about sp2 and sp3, ect. help?
January 11, 2011 by jessica

Chemistry
Predict the formal bond angles about the central atom for the following molecules: TeBr4 Express your answers using three significant figures separated by a comma. What are the bond angles for an octahedral structure and how many?
October 28, 2011 by Caitlin

Chemistry
Write the structure of the hemiacetals that results from the following reactions: 1)2-butanone + 1-propanol 2)butanal + isopropylalcohol I got this for #1: CH2-C-OCH2CH2CH3 with an OH on the single C and the CH2CH3 on the single C. I don't know how to do the second one. I don'...
March 20, 2010 by Jamie

science
25 ml sample of 0.150 m solution of aqueous trimethylamine is titrated with 0.100 M soultion of hcl. calculate the pH of the solution after 10.0ml,20 ml and 30.0 ml of acid have been added; pkb of (CH3)3 N =4.19?
April 19, 2010 by Jake

Chemistry
Draw the condensed structural formula for the products of the acid hydrolysis of the following amide with HCl: CH3-CH2-C(=O)-NH2 + H2O + HCl ---> I'm afraid I don't even know where to begin with this one, help!
November 24, 2010 by Lindsay

chemistry
!. Which of the following structures would you expect to have a net dipole moment? HC(triple bond)CH NH4+ H2C(double bond)O BCl3 2. Rank the sp, sp2, and sp3 orbitals in order of decreasing (highest to lowest) energy. a)sp> sp2>sp3 b)sp3>sp2>sp c)sp2>sp>sp3 d...
February 15, 2013 by Maura

chemistry
You have 20.00 mL of a 0.1M aqueous solution of the weak base (CH3)3N (Kb = 7.4x10^-5). This solution will be titrated with 0.100 M HCl. How do you find the pH of this solution before any acid has been added.
February 9, 2012 by laura

chemistry
A 23.4 mL sample of 0.300 M trimethylamine, (CH3)3N, is titrated with 0.399 M perchloric acid. After adding 6.67 mL of perchloric acid, the pH is
April 1, 2013 by Sean

Organic chemistry
What is the IUPAC name for--- phenyl(group)-c=o-o-ch2-ch2-ch3 ???? I put phenyl propanoate as my answer, but that was incorrect.
October 12, 2011 by Alphaa

Chemistry
For the compound Ge[S(CH2)4 CH3)]4 determine: a.) the ratio, by number, of C atoms to H atoms b.) the ratio, by mass, of Ge S THANKS!
September 30, 2007 by Justin

Science
COMPOUND 1 CH2=CH-CH-OH ________| _______CH3 COMPOUND 2 _____________O ____________// CH3-CH-CH2-C _____|______\ ____CH3______OH *Now, I must: Identify any functional groups in these compounds and name them. The functional group in 1 is the OH which makes it an alcohol. (It is...
February 7, 2007 by Shane

ochem
list from strongest acid to weakest acid HC(triple bond)CCH3 H2C=CH2 H3CNH2 CH4 H2O i thought the order went HC(triple)CCH3 H3CNH2 H2O H2C=CH2 CH4 but it comes out as wrong and i dont know why >
February 14, 2011 by Allie

Chemistry
a 25.0mL sample of a 0.100M solution of aqueous trimethylamine is titrated with a 0.125M solution of HCl. Calculate the pH of the solution after 10.0, 20.0, and 30.0 mL of acid have been added; pKb of (ch3)3N=4.19
November 8, 2010 by Amanda

Chemistry
For the following reaction, what is the approximate value of Delta H? CH4(g) --> CH3(g) + H(g) I figured it out.. C-H = 411 4 moles on one side 3 on the other so [4*411]-[3*411] = 411
February 25, 2007 by Wade

Chemistry
Write a rate equation showing the dependence of rate in reactant concentrations for each of the following elementary reactions. a. CS2---> CS + S b. CH3Br + OH- --> CH3OH + Br- A. k[CS2][S] B. k[CH3][Br-][OH-]
February 17, 2008 by Lauren

Chemistry
Write a rate equation showing the dependence of rate in reactant concentrations for each of the following elementary reactions. a. CS2---> CS + S b. CH3Br + OH- --> CH3OH + Br- A. k[CS2][S] B. k[CH3][Br-][OH-]
February 18, 2008 by Lauren

Math
Term-structure of interest rates and Arbitrage The current term-structure of spot interest rates for safe zero-coupon bonds is as follows: Maturity, in years Interest rate (r) 1 8% 2 10% 3 11% 4 12% 5 13% There is a safe bond B which has 4 years before maturity and pays a ...
December 3, 2011 by Robbie

cch
a bridge over a river is loaded at three penal points. determine the support reactions at a and b
February 21, 2012 by peter

Chemistry
a 25.0 mL sample of .050 M solution of aqueous trimethylamine is titrated with a .063 M solution of HCl. calculate pH the solution after 10.0 mL, 20.0 mL, 30.0 mL of acid have been added. pKb of (CH3)_3_N= 4.19 at 25 degrees C
November 11, 2012 by Elaine

Pages: <<Prev | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | Next>>

Search
Members