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September 22, 2014

Search: Chemistry - Molecular Structure

Number of results: 47,487

chemistry
can you check my answers in the parenthesis 1)The molecular structure around the oxygen in water is (bent) 2)The molecular structure around all the carbons in ethanol is (tetrahedral)
February 1, 2010 by blasting

chemistry
The molecular structure around the oxygen in water is ? The molecular structure around all the carbons in ethanol is ?
February 4, 2008 by lucas

chemistry
The molecular structure around the oxygen in water is . The molecular structure around all the carbons in ethanol is .
February 10, 2008 by Anonymous

chemistry
What is the molecular structure around the oxygen in water? What is the molecular structure around all the carbons in ethanol?
February 10, 2008 by Anonymous

Chemistry
The molecular structure around the oxygen in water is ?????? The molecular structure around all the carbons in ethanol is ?????
February 2, 2009 by Anonymous

chem
A molecular compound is composed of 58.8% Xe, 7.2% O, and 34.0% F, by mass. If the molecular weight is 223 g/mol, what is the molecular formula? Draw the correct Lewis structure. Predict the molecular geometry using the VSEPR model.
December 13, 2010 by chemistry

chemistry
what is the molecular geometry of IO3- when the angle is 105 degrees? What is it when the molecular geometry is 120 degrees? Which angle creates the most stable structure with the highest Boltzmann Distribution? Create a lewis structure that agrees with your findings?
January 11, 2010 by bubble

Chemistry - Molecular Structure
What is the molecular geometry of a molecule with 5 outer atoms and 1 lone pair on the central atom?
December 17, 2012 by Amy

chem
The fact that ice is less dense than water is related to the fact that ____. the molecular structure of ice is much less orderly than that of water the molecules of ice are held to each other by covalent bonding ice has a molecular structure in which water molecules are ...
January 30, 2012 by Lexi

chemistry
what is the molecular geometry of trans-difluroethylene: trans-C2H2F2? I know how to draw the lewis structure but I'm not sure how to find the molecular geometry. I think it's a tetrahedral
May 24, 2008 by Cabel

chemistry
what is the molecular structure around oxygen in water?
February 7, 2008 by johnny

chemistry
The molecular structure around the oxygen in water is???
February 7, 2010 by random

Advanced Chemistry
What is the (name of the) molecular structure of AlCl3NH3 ?
February 24, 2010 by Inga

chemistry
The molecular structure around the oxygen in water is . ---is the answer bent or angular?
February 11, 2008 by anonymous

Chemistry
The molecular structure around the oxygen in water is _________ I dont know what to put
May 3, 2008 by CHRIS

chemistry
draw the structure of 2,4-dimethyl-3-ethyl-2-heptanol and give the molecular formula.
November 23, 2008 by Anonymous

Chemistry
The molecular structure around all the carbons in ethanol is ________ I dont know what to put
May 3, 2008 by CHRIS

chemistry
Determine the structure of the compound by using the IR and 1H NMR of a spectra that has the molecular formula: C4H8O2
October 31, 2011 by jennel

chemistry
C4 H10 O or diethyl ether or with a formula of CH3CH2OCH2CH3 its stick structure is H H H H ! ! ! ! .. H-C-C-C-C- O-H ! ! ! ! .. H H H H I used the this ! sign as a sign for bond. pls help me to determine the geometry for each central atom in this structure. 1) C Trigonal 2) C...
October 5, 2012 by chemdummy

organic chemistry
Determine the structure of the compound by using the IR and 1H NMR of a spectra that has the molecular formula:C4H7ClO2
October 31, 2011 by jennel

chemistry
What is the molecular structure of the molecule AlCl3? What characteristic is notable about the structure that helps us to understand the acidic nature of AlCl3?Write a chemical reaction between AlCl3 and NH3 ignoring any reaction between AlCl3 and the solvent. Show and name ...
February 23, 2010 by kiki

Honors Chemistry
What is the molecular structure of the molecule AlCl3? What characteristic is notable about the structure that helps us to understand the acidic nature of AlCl3?Write a chemical reaction between AlCl3 and NH3 ignoring any reaction between AlCl3 and the solvent. Show and name ...
February 23, 2010 by HonorsChemistryKid

Chemistry
Give the molecular orbital description [e.g. sigma(sp3-sp3)] for each unique bond in the following structure. CH3NCHCCH I know how to draw the lewis structure and what a sigma and pi bond is, but I don't understand what the (sp3-sp3) part after the bond means or how you ...
September 8, 2013 by ramire2

Molecular biology
What is the importance of the tertiary structure of a tRNA? I know the structure, but I'm not sure what is the importance of it. Is it stabilization?
February 24, 2010 by Zoe

organic chemistry
How is overall molecular polarity affected by molecular symmetry (specifically shown for alkenes in book)? And what are the consequences for melting and boiling points (in cases of high molecular symmetry versus low molecular symmetry)?
September 4, 2012 by CHRIS

Organic Chemistry
If 3-bromo-1-propanol is treated with NaOH, a compound of molecular formula C3H6O is formed. suggest a structure for this product.
December 29, 2010 by ME

chemistry
Explain in terms of molecular structure why sugars have a relatively high melting point compared to hydrocarbons of a similar size.
May 7, 2008 by Mable

Chemistry
What is the Lewis structure formula, electron pair geometry and the molecular geometry for SO4^2-
August 7, 2013 by rose

chemistry
How is overall molecular polarity affected by molecular symmetry (specifically shown for alkenes in book)? And what are the consequences for melting and boiling points (in cases of high molecular symmetry versus low molecular symmetry)? I looked for help in the book but it ...
September 5, 2012 by CHRIS

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

help needed !!! URGENT
Can some one help me I dont know what to take out from the aspirin molecule, for the following structures? I have to generate a copy of the molecular structure of aspirin and then for each of the molecular features listed in (i) (iii) have to produce a related structure ...
June 30, 2007 by kat

chemistry
explain what is meant by the term 'Hybridisation' in molecular orbital theory and show how the concept can be used to explain the structure and bonding in ethane C2H6 ETHENE C2H4 AND ETHYNE C2H2
December 13, 2011 by rebecca

Science
How do the properties of methane relate to its molecular structure?
June 22, 2009 by Kelly

Chemisty
The molecular structure around the oxygen in water is....????
February 5, 2010 by SuSu

science
Can some one help me I dont know what to take out from the aspirin molecule, for the following structures? I have to generate a copy of the molecular structure of aspirin and then for each of the molecular features listed in (i) (iii) have to produce a related structure ...
June 29, 2007 by katie

Organic chemistry
compound with a molecular formula C8H16O has the following H-nmr spectrum: 3H triplet at 0.90, 1.0 to 1.6 8H multiplet, 2.05 3H singlet, 2.25 2H triplet. What is the structure of this compound? I think it is 2-octanone but not sure
June 20, 2009 by jeff

Chemistry
If I am given a molecular hydrocarbon structure, how would I be able to tell how sp3 hybridized carbons it possesses? Like my current question asks How many sp3-hydridized carbon atoms does 11-cis-retinal possess?
January 27, 2008 by Raj

chem
Determine the electron and molecular geometries of each of the following molecules. For those with more than one central atom, indicate the geometry about each central atom. (Enter your answers in the order given in the skeletal structure from left to right.) CH3OH (skeletal ...
January 29, 2011 by hannah

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
# Electron Pairs # Lone Pairs Electronic Geometry Molecular Geometry Lewis Structure Sketch of Shape I need to do the above things for SBr6 and BrCl5. If anybody can help that would be great!
April 26, 2011 by Jake

Chemistry
Identify the true statement about Lewis structures. Select all the correct answers. 1. Hydrogen is usually surrounded by 4 electrons in a valid Lewis structure. 2. A single bond in a Lewis structure represents 2 electrons. 3. A double bond in a Lewis structure represents 2 ...
February 26, 2013 by will.i.am

biology
describe 2 structures of bacterial cells what they look like and their molecular structure
January 13, 2010 by jessica

chemistry
what transition metal complex is responsible for transporting oxygen in our blood? Also, what is its structure? The transition metal (there are several transition series---I assume you are referring to the 3d transition metals) is iron. As to its sturcure, the iron itself has ...
April 17, 2007 by Bob

chemistry.
The relative molecular mass of A is 116. Determine the molecular formula for A.
September 20, 2009 by Some kid.

chemistry
Based on their molecular structure, how can you figure out which is stronger between two oxyacids? Our textbook is really vague. I thought it had to do with which had more oxygen but one of the question compares CH3COOH and CCl3COOH so now I'm lost again.
March 25, 2011 by redgy

chemistry
Polyglycolic acid, PGA, is a polymer that we know rather well how to control the structure of (even though there are currently only limited applications). So in the lab we have created two types of PGA for testing, a linear chain PGA and a branched chain PGA. Assume comparable...
December 21, 2013 by Dick

chemistry
Can a molecular formula be used to predict the molecular shape of a small molecule? Please explain how.
March 20, 2008 by ss

chemistry
a compound is found to be 94.1% o and 5.90% h. its molecular mass is 34.0. what is its molecular formula A. H3O2 B. OH C. H2O D. H2O2 I think D
November 23, 2012 by drew

chemistry
how can you determine molecular polarity based on molecular shape?
May 16, 2010 by kellen

chemistry
molecular weight is 284.5 g/mol what is the molecular formula.76.0% C, 12.8% H, 11,2%O.
October 13, 2012 by Lornie

Science
Describe how the structure of DNA is correlated with its role as the molecular basis of inheritance in Biology.
March 28, 2014 by Sally

Chemistry
if a student finds the molecular weight of an unknown liquid to be 115 g/mole and the molecular formula of the liquid is CHCl3, what is the percent error in the student's molecular weight?
December 10, 2012 by Gabby

Chemistry
Find the molecular formula of a compound that is 48.38% carbon, 8.12% hydrogen, and 53.5% oxygen by mass and has a molecular weight of 328 g/mol.
April 23, 2012 by Jo

chemistry!
Of the four general types of solids [molecular, ionic, network covalent, metallic], which one[s] are generally soluble in nonpolar solvents? I'm thinking either molecular or ionic. Are either [or both] correct? molecular: like dissolves like is the rule of thumb.
December 7, 2006 by Alex

chemistry
Based on their molecular structure, why are these acids thes stronger of the two binary acids given? HCl stronger than HF HF stronger than H2O H2Se stronger than H2S Is this because of bond strength due to placement on the table of elements? thanks
March 25, 2011 by redgy

chemistry
7.25 g of iron were reacted with sulfur until the product reached a constant mass of 13.50 g. If the experimental molecular mass of the product was measured as 572 u, what is the molecular formula of the product? What is the actual molecular mass of the product?
September 21, 2011 by joan

chemistry
7.25 g of iron were reacted with sulfur until the product reached a constant mass of 13.50 g. If the experimental molecular mass of the product was measured as 572 u, what is the molecular formula of the product? What is the actual molecular mass of the product?
September 21, 2011 by joan

chem
Using the VSEPR theory, predict the molecular structure of each of the following molecules. (a)NI3 (b)AsH3 (c)OF2
March 19, 2013 by Shady

Chemistry
Draw the structure of the product formed by the reaction between methyl alcohol and formic acid and give the molecular formula HCOOH + HOCH3 ==> HCOOCH3 + H2O determine this molar concentration 58g of lithium in 54-ml of water molarity = mols/L mols Li = 58/atomic mass Li...
April 12, 2007 by Kellie

chemistry
Which of the following statements concerning differences between ionic and molecular compounds is correct? Molecular compounds contains two elements, and ionic compounds contain three of more elements ionic compounds contain oxygen, and molecular compounds do not. molecular ...
February 23, 2014 by Johnny

Chemistry: Electron Configuration
The following questions relate to the bonding in the OH-1 ion. (16 points) Write the electron configuration for H. (1 point) Write the electron configuration for O. (1 point) Draw the molecular orbital diagram for OH-1. (5 points) Draw the Lewis Structure for OH-1. (3 points) ...
May 20, 2008 by Daniel

Chemistry
Draw the structure of the product formed by the reaction between methyl alcohol and formic acid and give the molecular formula? I did not understand the answer that you gave me it did not make sense to me and I couldnt find it to respond back im sorry. If you wouldnt mind can ...
April 17, 2007 by Kellie

biology
how to label the ecstasy molecular structure plz name each part the formula is C11 H15 NO2 HCl
February 28, 2011 by tarkan

General Chemistry
How do the vapour pressure of two substance at the same temperature but with different strengths of the inter-molecular forces compare. Give a molecular explanation of why this is so.
February 5, 2014 by Raj

Chemistry
Write the structure for the alkane: molecular mass = 72 u; forms four monochlorination products. Well since its 72u and its an alkane, I figured out that the formula is C5H12. But what does it mean that it "forms 4 monochlorination products"?
January 31, 2008 by Raj

Chemistry
Calculate the mass in grams of hydrgen chloride produced when 5.85 L of molecular hydrogen measured at STP reacts with an excess of molecular chlorine gas. H2 + Cl2 ---> 2HCl
June 20, 2010 by Anonymous

chemistry
what is the lewis dot structure for SO4 -2 and the ideal bonds, mollecular structure and hybrid orbitals?
January 15, 2009 by Raj

chemistry
what is the molecular geometry of trans-difluroethylene: trans-C2H2F2? i want to say it is a tetrahedral because it has four atoms and no lone pairs, but im not sure. the bond angles of this is 109.5 and that is is the bond angles for tetrahedrals so is it good to conclude ...
May 24, 2008 by john

chemistry
Describe the structure of the water molecule and indicate how this structure is responsible for many of the unique properties of this vital compound.
August 4, 2008 by kayla

chemistry
how to draw atomic structure for elements from scandium to zinc ?and what is their valency number.plz show me the shell structure.
September 22, 2012 by J.Nandhini

Chemistry(the)
An optically active compound having molecular formula C6H12O6 is found in two isomeric forms (A) and (B) in nature. When (A) and (B) are dissolved in water they show the following equilibrium. (A) Equilibrium mixture (B) D = 1110 52.20 19.20 (i) What are such isomers called? (...
February 5, 2013 by abhi

science
Are there any related structure from an asprin? To show how important an asprin is from using a carboxylic acid. You need to clarify your question. I need to produce a related structure of the molecular features of carboxyli acid, size hydrocarbon group on ester and distance ...
July 12, 2007 by jake

Biology
Could somebody check this formula for the structure of hyroloysis of lactose C12H22O11+H20 ...> C6H12O6H12O6 OBVIOUSLY THE FIGURES ARE ALL SUBSCRIPT Many thanks Is that not the molecular formulae ???
March 20, 2007 by Bex

Chemistry
What is the structure of a tripeptide where glycine is first, serine is second, and alanine is third. Draw the structure in the proper zwitterionic form.
March 14, 2010 by Holly

Chemistry
Given the Empirical formula: C6H7N, and a molecular mass of 372.52 g/mol, How do I find the MOLECULAR formula for the compound?
September 18, 2011 by Christina

chemistry
An unknown sample with a molecular mass of 180.0g is analyzed to yield 40% C, 6.7% H, and 53.3% O. What is the empirical formula and the molecular formula of this compound?
June 20, 2012 by z

Chemistry
Explain why alcohols of lower molecular weight are generally soluble in water but those of higher molecular weights are generally not.
February 21, 2009 by Laura

chemistry
can anyone tell me about the molecular orbital energy order in energy level diagrams????its molecular n not atomic.....
October 3, 2010 by vishesh

Chemistry
A compound of molecular weight 70.1 has the following composition: Carbon 85.63% and hydrogen 14.37%. What is the empirical formula? What is the molecular formula?
August 16, 2012 by Patsy

Chemistry
An organic compound that has the empirical formula CHO has a molecular mass of 145 amu. Its molecular formula is?
March 14, 2013 by Stefhanie help me pls

chemistry
What is high molecular symmetry and low molecular symmetry and give examples of both please help!!!
September 5, 2012 by CHRIS

chemistry
calculate the mass in grams of hydrogen chloride produced when 5.25 L of a molecular hydrogen measured at STP reacts with an excess of molecular chlorine gas
March 24, 2013 by jane

chemistry
a sample of compound C,H,N and O with a mass of 0.6216 was found to contain 0.1735g C,0.01455g H,0.2024g N.Its molecular mass 129.calculate its epirical and molecular formulas.
January 25, 2013 by bliss

chemistry
1)What is the correct structure of AsH3???? 2)Name the type of hybrid orbitals of central form. 3) Name the molecular geometry of compound. 4)State weather it is polar or non polar. 5) Estimate H-As-h bond angle in degree. 6) what is the dominant form of secondary bonding for ...
June 1, 2013 by Anonyms

Chemistry - Acid structure
I'm writing up a lab report for the an experiment in the separation and analysis of an unknown mixture (acid and neutral compound). The guideline I'm looking at states "You do need to include balanced reaction(s). Since you do not know the exact structure of your acid, you may...
November 17, 2010 by Anonymous

AP Chemistry
Write the balanced molecular, complete ionic, and net ionic equations for each of the following acid-base reactions. (Type your answer using the format [NH4]+ for NH4+ and [Ni(CN)4]2- for Ni(CN)42-. Use the lowest possible coefficients.) (a) HClO4(aq) + Mg(OH)2(s) molecular ...
September 24, 2011 by Rahul

chemestry
draw the Lewis structure for the following compounds,and predict the molecular shapes. a) water,H2O b)Oxygen gas,O2 c)Ammonia, NH3 d)Ammonium ion,NH4
June 3, 2013 by irfan

chemistry
Is diphosphorus pentoxide an ionic or a molecular compound? A. Ionic B. Molecular I say B
November 10, 2012 by shana

chemistry
please help! how do i find the molecular mass of C3H5O2 molecular mass of 292 g.
March 25, 2014 by joshua

Chemistry
Use the MO model to predict the structure of ketene (H2CCO). Draw a Lewis structure of the molecule that shows the positions of the orbitals and the atoms in three-dimensional perspective.
September 12, 2012 by Amy

Chemistry
Use the MO model to predict the structure of ketene (H2CCO). Draw a Lewis structure of the molecule that shows the positions of the orbitals and the atoms in three-dimensional perspective.
September 12, 2012 by Amy

chemistry
A sample of acid (C,H,O) massing 1.000 g burns to give 1.466 g of carbon dioxide and 0.6001 g of water. The molecular mass is approximately 120 g/mol. Calculate the molecular formula of the acid
November 7, 2008 by jason

Chemistry
Describe what is happening in regards to the heat energy, temperature, molecular potential energy, and molecular kinetic energy when water is boiling.
November 12, 2012 by Heather

Chemistry Lewis Structure
What is the lewis structure for In+? I have tried everything and the answer seems wrong? Please help me
April 19, 2011 by Toni Jones

Chemistry
Use VSEPR theory to predict the molecular geometry around either carbon atom in acetylene, C2H2. The Answer is linear. How do you figure out the answer is linear? I know you draw the lewis structure but when I drew it I thought the answer would be tetrahedral, because the ...
April 20, 2010 by Danielle

Chemistry
Cyclohexane, C6H12, a hydrocarbon, can isomerize or change into methylcyclopentane, a compound of the same formula (C5H9CH3) but with a different molecular structure. The equilibrium constant is 0.12 at 25C. If you had originally placed 0.036 mol of cyclohexane in a 1.0 L ...
May 24, 2011 by Kat

CHEMISTRY
For MgSe, which crstallize structure un the rock salt structure, the unit cell edge is 5.45A. Determine the internuclear distance between neighboring Mg2+ and Se2-, as well as the cation and anion radii.
February 23, 2009 by SARITA

chemistry
the element germanium has a diamond-type structure.describe the structure of germanium.draw diagram
December 7, 2010 by sweetie

Chemistry (Check)
True or False The empirical formula of a compound is always the same as the molecular compound. My Answear: True The empirical formula for acetylene is CH. The molecular formula is C2H2. Another example: The empirical formula for glucose is CH2O. The molecular formula is ...
February 4, 2007 by Bryan

chemistry
a compound with the molecular weight of 276 grams was determined to be 39.10% carbon, 8.77% hydrogen, and 52.13% oxygen. what is the empiricial formula and the molecular formula for the compound? i do not know where to start!
November 28, 2009 by shelly

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