Number of results: 2,218
CHEMISTRY
Determine if it is polar or non-polar molecule: C3H6O C2H5OH SiCl4 NH3 CO2 C3H8 H2O N2 My ans are: Polar Polar Polar polar Nonpolar nonpolar polar Nonpolar are my answers correct????
Tuesday, March 5, 2013 at 7:02pm by nidscorection
chemistry
Determine if it is polar or non-polar molecule: C3H6O C2H5OH SiCl4 NH3 CO2 C3H8 H2O N2 My ans are: Polar Polar Polar polar Nonpolar nonpolar polar Nonpolar are my answers correct???? No one has answered this question yet.
Tuesday, March 5, 2013 at 7:55pm by nadira
CHEMISTRY
Determine if it is polar or non-polar molecule: C3H6O C2H5OH SiCl4 NH3 CO2 C3H8 H2O N2 My ans are: Polar Polar Polar Nonpolar polar Nonpolar are my answers correct????
Tuesday, March 5, 2013 at 6:59pm by nidscorection
Science
the first part applies with the polar and nonpolar...so why polar and polar bonds better than polar with nonpolar?
Monday, January 14, 2008 at 10:24pm by Trissy
chemistry
Is NH4+ a polar or nonpolar bond?
Friday, November 30, 2007 at 8:27pm by Lin
CHEMISTRY
Polar Polar Polar polar Nonpolar nonpolar polar Nonpolar
Tuesday, March 5, 2013 at 6:59pm by nidscorection
CHEM
Which statement best describes the polarity of SF_4Cl_2?? (or: SF4Cl2, if that helps more) 1. Always polar. 2. Always nonpolar. 3. Depending on the arrangement of outer atoms, this molecule could be polar or nonpolar. & how can you tell for certain??? I think that it might...
Monday, November 26, 2007 at 9:23pm by K
science(chem)
UV I was just wondering how a solvent would affect the spectra of a compound. Like a polar or nonpolar solvent for example: polar: Methylene chloride Nonpolar: cyclohexane, hexane, or ethanol Thanks
Sunday, September 7, 2008 at 9:31pm by ~christina~
chemistry, polar or nonpolar
Why is NO3 nonpolar but CIF3 is polar? I looked at the lewis structures, they look similar, but why is one opposite. also, when something is polar or non polar, my teacher said I should see which atom is more electronegativity is higher and draw arrows towards it on a lewis ...
Sunday, January 25, 2009 at 7:39pm by Anonymous
chemistry
In my experiment I placed NaCl in glycerin for 10 minutes or more and it did not dissolve. I have looked to see if glycerin is polar or nonpolar and the information uses glycerol and glycerin interchangeably, yet they are not the same. Some information states it is polar and ...
Tuesday, May 8, 2012 at 3:46pm by April
college chemistry===>Organic Chem Lab.
It depends on what you are separating; polar attracts polar, and polar repels nonpolar.
Monday, February 11, 2013 at 4:51pm by Devron
Chemistry
I know that the more polar the bond between the H and A (if HA is an acid) is, the stronger the acid will be. what does it mean for a bond to be polar? is a bond more polar if it is more electronegative? how are bonds polar and how are bonds nonpolar? what is the difference ...
Sunday, May 16, 2010 at 9:59pm by Alison
Chemistry
It's A because NH3 and H2S are the only ones that have lone pairs and that means they are polar. BF3 have no lone pair so it's nonpolar and I2 is nonpolar so dipole-dipole intermolecular forces are between polar molecules
Sunday, January 29, 2012 at 5:14pm by Mr.C
biology
Is sugar polar or nonpolar and why? I think it's nonpolar, but I don't really know why... Please help. Thank you.
Tuesday, September 1, 2009 at 2:38pm by kat
Org. Chem.
Explain the results in terms of polarities and/or hydrogen bonding. - water and ethyl alcohol= miscible water is highly polar and ethyl alcohol has intermediate polarity. - water and diethyl ether= immiscible water is highly polar and diethyl ether is only slightly polar - ...
Monday, September 14, 2009 at 2:05am by Chelsea
Organic Chemistry
E would not be a good pair because one is polar and the other is nonpolar So for B because they are both nonpolar would they be miscible?
Tuesday, August 25, 2009 at 11:02pm by John
Org. Chem.
are 1-octanol and 1-butanol polar or nonpolar? I think slightly polar?
Monday, September 14, 2009 at 10:12pm by Chelsea
chem
is SiS2 polar or nonpolar? Why? I think its non but when I searched it people were saying polar thanks:)
Thursday, February 3, 2011 at 4:25pm by Rebekah
science
Most dirt on your body is nonpolar, and is trapped in oil residue on your skin. What type of liquid is oil? (polar or nonpolar) show your calculations.
Friday, January 16, 2009 at 12:48pm by Peter
Chemistry I am so lost!!! HeLp PLEASE
Water does not easily remove grease from dirty hands because grease is nonpolar and water is polar; therefore they are immiscible. The addition of soap, however, results in the removal of the grease. Examine the following structure of soap and explain why soap works. CH_3(CH_2...
Monday, January 31, 2011 at 11:50am by Kathy R
chemistry
What type of molecules can dissolve in polar liquids? What type of molecules can dissolve in nonpolar liquids? What type of liquid is water? (polar or nonpolar) show your calculations.
Friday, January 16, 2009 at 9:54am by Kate
chem
choose the compound below that contains at least one polar covalent bond, but is nonpolar a. ICl3 b SeBr4 c. CF4 d. HCN Im stuck between C and D C is a tetrahedral which has no net dipole so is non polar, and D is linear which also makes it non polar.
Thursday, May 1, 2008 at 6:26pm by natash
science(chem)
statement from my text says: "like disolves like", This rule is most commonly applied to polar and nonpolar compounds. According to this rule, a polar solvent will dissolve polar(or ionic) compounds and non polar solven will dissolve nonpolar compounds. For this ...
Sunday, September 2, 2007 at 6:38pm by ~christina~
Chemistry
"A sample of a nonpolar molecules capable of only dispersion forces can have a higher boiling point the a sample of a polar molecules capable of hydrogen bonding. This statement can only be true if the formula weight of nonpolar molecule(the answers are =,<, or &...
Monday, January 18, 2010 at 6:36pm by Kevin
Chem
DrWLS is correct. While you have H-N bonds, per se, they are not, by definition, hydrogen bonds. You do have attraction between the NH4^+ and the Cl^- ions in solution. The NH4^+ is not a dipole and it has no dipole moment although each of the N-H bonds are polar. That isn'...
Monday, November 24, 2008 at 11:45pm by DrBob222
Organic and Nuclear Chemistry
Concerning the saponification process, which statement is true? A. The polar end of a soap molecule dissolves in oil. B. The nonpolar end of a soap molecule dissolves in both oil and water. C. Detergents with branched chains are biodegradable. D. Organic molecules that have ...
Friday, June 25, 2010 at 12:23pm by Sadie
Chemistry.
Urea: (NH2)2CO 1. Which bonds in the molecule are polar and which are nonpolar? 2. What is the most polar bond in the molecule?
Thursday, December 9, 2010 at 4:44am by Jashmid
chemistry
Pipette 3 drops of oil into a test tube of water and shake. Describe what takes place and why? - Would it be the oil settles at the top of the water, because the oil is less dense, and its a non-polar substance, so it doesn't mix with a polar substance (water). Add 1 scoop...
Tuesday, April 30, 2013 at 12:28am by K
chemistry
see if on tlc silica if the polar solvent moves slowly then does even polar substances rf value is low? and the nonpolar rf is high?
Tuesday, February 23, 2010 at 2:18am by KKSAI
chemistry
(a) Coefficients represent molecules, or formula units, or moles, depending on the situation. (b) Removing air from a sealed container reduces the pressure inside it. How this affects the container, depends on the strength and rigidity of the container. (c) Polar solvents ...
Tuesday, June 10, 2008 at 8:55pm by GK
Chemistry
Number 1 is the most polar, like dissolves like; the OH groups are very polar. Number 4 is the least polar. C-H bonds are nonpolar bonds and this compound has the most CH bonds. If the choices that I gave you didn't work, maybe 2 and 3 are the same.
Thursday, March 14, 2013 at 1:52pm by Devron
Lauren
ethanol is nonpolar while DNA is polar and in the saying "like disolves like" the same applies here. So DNA is soluble in water because it is polar.
Tuesday, April 1, 2008 at 10:35pm by ~christina~
chemistry
ethanol is nonpolar while DNA is polar and in the saying "like disolves like" the same applies here. So DNA is soluble in water because it is polar.
Tuesday, April 1, 2008 at 10:24pm by ~christina~
Org. Chem.
Yes, there was a difference in my results between the solubilities of benzophenone in methyl alcohol and benzophenone in hexane. Benzophenone [essentially nonpolar (slightly polar due to the C=O bond)] was soluble in methyl alcohol, but only partially soluble in hexane. The ...
Monday, September 14, 2009 at 10:35pm by Chelsea
Dr. Russ- Org. Chem.
Yes, there was a difference in my results between the solubilities of benzophenone in methyl alcohol and benzophenone in hexane. Benzophenone [essentially nonpolar (slightly polar due to the C=O bond)] was soluble in methyl alcohol, but only partially soluble in hexane. The ...
Tuesday, September 15, 2009 at 12:21am by Chelsea
Chem. Posted before but no answer
Yes, there was a difference in my results between the solubilities of benzophenone in methyl alcohol and benzophenone in hexane. Benzophenone [essentially nonpolar (slightly polar due to the C=O bond)] was soluble in methyl alcohol, but only partially soluble in hexane. The ...
Monday, September 14, 2009 at 11:55pm by Chelsea
ap biology
Molecules that result from this bond do not dissociate in water because its atoms are not charged and, therefore, not attracted to the negative or positive ends of the water molecule. H-bond ionic bond nonpolar covalent bond polar covalent bond I am thinking polor covalent ...
Friday, August 17, 2007 at 1:53pm by HEY
chemistry
Each N-H bond is polar because N and H don't have the same electronegativity. H is about 2.1 and N is about 3.0. So I would classify each of the 4 N-H bonds as polar covalent. A related question is does NH4^+ have a dipole moment due to the polar bonds. No, it does not.
Friday, November 30, 2007 at 8:27pm by DrBob222
science
Van Der Walls forces account for both weak dipole dipole interactions in slightly polar molecules and for even weaker interactions between nonpolar molecules. London Forces are specifically limited to weaker interactions between nonpolar molecules. One is more general than the...
Saturday, February 19, 2011 at 11:01pm by moi
science
Micelles contain polar head groups that usually form the outside as the surface of micelles. They face to the water because they are polar. The hydrophobic tails are inside and away from the water since they are nonpolar.
Saturday, May 26, 2012 at 12:44pm by bobpursley
physical science
Try some of the following links: http://search.yahoo.com/search?fr=mcafee&p=can+water+dissolve+polar+molecules+or+nonpolar+molecules+ Sra
Thursday, May 19, 2011 at 7:40pm by SraJMcGin
chemistry
Is CF4 polar or nonpolar?
Saturday, March 9, 2013 at 10:16pm by landa
science
Is 2-methyl-2-choloropropane polar or nonpolar?
Sunday, June 10, 2012 at 8:30pm by Kristine
Chemistry
Is the compound C2H3Cl polar or nonpolar and why?
Monday, March 29, 2010 at 10:11pm by Kathleen
chemistry
Do polar and nonpolar substances mix?
Monday, January 12, 2009 at 11:20am by Bob
chemistry
how to know clarify if the subtance is polar or nonpolar?
Sunday, January 27, 2008 at 9:34pm by robert
Chem ques.
How do I know if a molecule is polar or nonpolar?
Sunday, November 25, 2007 at 6:22pm by Sami
science
Oil is a long chain hydrocarbon, nonpolar. Water is polar. What do you think? Soap is a long chain oil with a POLAR end.
Friday, January 16, 2009 at 9:55am by bobpursley
chemistry
what is the retention time (RT) of polar and nonpolar stuff?
Wednesday, December 1, 2010 at 7:48pm by jessice
chemistry
can a nonpolar molecule be made up of polar bonds
Tuesday, October 20, 2009 at 1:06pm by liz
Chemistry - solubility, not "Methode Champenoise"
Is CO2 soluble in ethanol? I know that CO2 is nonpolar, so that means it's soluble in nonpolar solvents, but CO2 is soluble in H2O. H2O is polar. Also, if CO2 were obeying Henry's Law, would it be soluble in ethanol at a high pressure?
Tuesday, December 11, 2012 at 11:47pm by Alex
Chemistry-Polarity
I am having trouble understanding polarity. I think I understand what it is - when a chemical bond occurs and there is or is not a resulting charge on the molecule. And the book says that the amount of polarity is the difference in the electronegativity between the two atoms ...
Saturday, November 14, 2009 at 8:36am by Mary
chemistry
What are the two things that determine whether a molecule is polar or nonpolar?
Monday, February 28, 2011 at 11:17pm by jackie
Chemistry
How can you determine if a covalent bond is polar or nonpolar? Give an example of each. thanks !
Thursday, December 2, 2010 at 7:06pm by Carlos
science
What type of liquid is water? (polar or nonpolar) show your calculations.
Friday, January 16, 2009 at 11:21am by Kate
CHEM
Depending on the arrangement of outer atoms, this molecule could be polar or nonpolar.
Monday, November 26, 2007 at 9:23pm by Anonymous
science
what can you use to decide whether liquids tested are polar or nonpolar?
Monday, March 3, 2008 at 10:29pm by jake
Chem
im having a problem with polar and nonpolar how can you tell the difference?
Tuesday, November 6, 2007 at 11:38am by NiSha
science
Most dirt on your body is nonpolar, and is trapped in oil residue on your skin. What type of liquid is oil? (polar or nonpolar) show your calculations. Would water rinse off this dirt, since it is in oil? Why or why not? Does soapy water rinse off this dirt? Soap: how does it ...
Friday, January 16, 2009 at 9:55am by Kate
chemistry
Water has a bent molecular shape, but what if water had a linear molecular shape would the molecule be polar or non-polar? Explain This is what I know pls correct me if I'm wrong. It would be nonpolar because it is symmetric so the charge is equally distributed.
Friday, October 5, 2012 at 9:39am by lea
science
what basis can you use to decide whether liquids tested are polar or nonpolar?
Monday, March 3, 2008 at 6:59pm by jake
Chemistry
Sodium Chloride is the LEAST soluble in which of the following liquids? a. H2O b. CCl4 c. HF d. CH3OH e. CH3OOH I know NaCl is a polar molecule...and a dipole-dipole IMF bond? My guess is b because it's nonpolar and I think it's a London Dispersion IMF. Is this right? ...
Monday, November 30, 2009 at 9:40pm by Nikki
Chemistry
. . S H H B: What kind of three-dimensional geometry would this molecule have? C: Would this molecule be polar or nonpolar? Explain your answer. - B: “Triangular Planar”. C: I've tried to answer this question. I know a polar bond is when the electronegativities ...
Wednesday, May 13, 2009 at 10:36am by T. White
chemistry
Identify the following molecules as polar or nonpolar. 1. H2S 2. PBr3 3. SiCl4 4. SO2
Tuesday, October 2, 2012 at 9:35am by shay
chemistry
Can you help me with these please? In general, is the boiling point of a polar liquid likely to be higher or lower than that of a nonpolar liquid of about the same mass? What, if any, is the correlation between electronegatively and reactivity? Thanks in advance. The polar ...
Sunday, February 4, 2007 at 1:29pm by Lydia
Science
Electrons involved in a _____ bond are shared unevenly. metallic double polar nonpolar
Tuesday, March 12, 2013 at 3:21pm by Raelyn
Chemistry
Which of the following molecules has polar bonds and is nonpolar? HF ICI3 NF3 SF4 BF3
Tuesday, December 11, 2007 at 8:22pm by Lauren
Science
sugar can easily dissolve in water because they are not only both polar but more importantly thay care capable of hydrogen bonding. it's more soluble in water also beacause Sugar is polar and oil is nonpolar. It's like mixing oil and water. its isn't able to.
Tuesday, November 16, 2010 at 7:34pm by Anonymous
L0velyLayna
Electrons involved in a ( BLANK ) bond are shared unevenly. Nonpolar Polar Double Metallic
Friday, March 8, 2013 at 1:06pm by 8th Science
Chemistry
Explain why ethanol is not soluble in cyclohexane. Also, how do you figure out whether something is polar or nonpolar?
Sunday, September 19, 2010 at 6:05pm by Diana
CHEM
H2Te CH3CHO CH3CN H2Se polar or nonpolar? Also, anyone know any sites that show pics of the shape of molecules?
Monday, September 20, 2010 at 4:15pm by RICHY
chemistry
The simple rule “Like dissolves like” is often used to describe the solubility of a substance in different solvents. Write a short paragraph discussing your evidence for this rule. Include in your discussion where you think this rule works best and where it seems to ...
Sunday, February 27, 2011 at 2:21pm by j
chemistry
hi, I am wondering if benzyl acetate is polar or nonpolar? because it has a non polar benzene ring but also it has the ester bit attached so i am confused. Also i cant seem to understand the vander waal forces that are in it. if anybody could help that would be super A little ...
Monday, December 18, 2006 at 11:19pm by steff
Chemistry
Please help me with this! Rank the solvents according to their polarities, from the most polar to nonpolar. ethyl acetate, water, acetone, hexane, ethanol
Wednesday, September 28, 2011 at 11:57pm by Michelle
physical science
can water dissolve polar molecules or nonpolar molecules
Thursday, May 19, 2011 at 7:40pm by britt
chemistry
To do these properly you need to draw the Lewis electron dot structure and assign a shape to them. The shapes that are symmetrical are polar. The symmetrical shapes are not polar unless one of the binding sites is a different atom than then others. (For example, SF6 is ...
Sunday, July 11, 2010 at 2:06pm by DrBob222
science(chem)
Solubility: Solubility of compounds in a)water (highly polar) b)methyl alchohol (intermediate polarity) c)Hexane (nonpolar) My guess 1. Benzophenone a) not soluble b) partially soluble c) soluble 2. Malonic acid a) soluble (since it's polar) b) soluble c) not soluble 3. ...
Monday, September 3, 2007 at 12:11am by ~christina~
Chemistry
Would the following structures be polar or nonpolar? (Not applicable if the structure is an ion. Pick "ionic" in that case). SO2 N2O N3−
Saturday, April 10, 2010 at 7:35pm by Johannie
Chemistry
Ethanol is a. soluble in water not soluble in hexane because the OH is polar. b. soluble in hexane but not soluble in water because it is a hydrocarbon. c. soluble in water and soluble in hexane because it has a nonpolar hydrocarbon part and a polar OH. I think it is b, but ...
Tuesday, July 27, 2010 at 3:50pm by Anonymous
Chem HELP!!!!!!!
Mg(OH)2 ==> Mg^+2 + 2OH^- Ksp = (Mg^+2)(OH^-)^2 Use the Mg concn added to calculate the (OH^-). Then plug that in to the OH^- from NH3 + HOH ==> NH4^+ + OH^- Kb = (NH4^+)(OH^-)/(NH3) and solve for (NH4^+). Use the (NH4^+) to determine mols NH4^+ needed and from ...
Saturday, April 18, 2009 at 6:17pm by DrBob222
ap chem
consider the molecules PF3 and PF5. b]is the PF3 molecule polar or is it nonpolar. explain C] on the basis of bonding principles, predict whether each of the following compounds exists. In each case explain your prediction. (i) NF5 (ii) AsF5 2. explain why the H-N-H bond angle...
Tuesday, January 23, 2007 at 10:53pm by Emily
Chemistry
I should have read the instructions as bob Pursley did. Would the following structures be polar or nonpolar? (Not applicable if the structure is an ion. Pick "ionic" in that case).
Saturday, April 10, 2010 at 7:35pm by DBob222
chemistry
yes and yes. Water is polar, ethanol is a little less polar, and toluene is only slightly polar (next to hexane which is non-polar).
Monday, July 21, 2008 at 7:14pm by DrBob222
chem
Using electronegativity arguments, classify the following diatomic molecules as nonpolar (N), polar (P), or ionic (I), and enter five letters in order (e.g. NPNPI, INPNP, etc) : NaF, HF, NaH, CaO, and F2. Look up electronegativity (EN)of each element and subtract to obtain a ...
Thursday, October 5, 2006 at 11:26pm by maria
Chemistry - solubility
Arrange the following compounds in order of increasing solubility in water: * O2 * LiCl * Br2 * CH3OH Like dissolves like; that is, polar compounds usually are soluble in water and non-polar compounds are not soluble in water. From that description, make your choices and post ...
Tuesday, January 2, 2007 at 7:21pm by Belinda
chem
i have to catogerize the list based on which is ionic, polar covalent, and nonpolar covalent 1.SI 2.HBr 3.HP 4.SO 5.BeF 6.BeCl 7.ScO
Tuesday, November 18, 2008 at 10:20pm by tomi
chemistry- solubility
Please note the correct spelling (and pronunciation) of soluble (not soluable). You are exactly right. Those hydrocarbons are not soluble in water because they are non-polar and water is polar. They are soluble in dichlormethane because they are non-polar and dichloromethan is...
Monday, February 20, 2012 at 2:45pm by DrBob222
chemistry
Both H2O and CO2 have 3 atoms, yet one is polar and one is nonpolar. Explain why, using Lewis dot structures in your answer
Sunday, December 19, 2010 at 7:26pm by ashley
science(chem)
A few questions. 1. What is the difference btwn crystalization and precipitation? 2. What will happen if you choose a solvent whose boiling point is higher than the melting point of the compound to be crystalized? 3. Generally describe how to predict solubility. 1. just ...
Sunday, September 2, 2007 at 9:11pm by ~christina~
Chemistry
polar dissolves polar, polar CANNOT dissolve polar or vice versa.
Tuesday, November 6, 2007 at 8:00pm by Avonlea
chemistry
There are 3 NH4^+ ions in 1 molecule of (NH4)3PO4; therefore, (NH4^+) = 3x (NH4)3PO4 = 3 x 1.6 = ? M
Tuesday, December 11, 2012 at 1:22pm by DrBob222
bio (plasma membrane)
I understand that the plasma membrane is composed of a polar head and non polar tail. I read in my textbook that small non-polar molecules readily pass through and that polar and non-polar repel. so how do non-polar substance pass the the polar head? please explain.
Saturday, February 19, 2011 at 3:14pm by lou
Org. Chem.
Is malonic acid polar or nonpolar? and does it hydrogen bond with water? with methyl alcohol? with hexane? I keep getting different results and would like some help please with explanation.
Monday, September 14, 2009 at 5:37pm by Chelsea
Chemistry
moles (NH4)2CO3 = grams/molar mass. Then moles NH4^+ will be twice that since there are two NH4^+ ions in one molecule of (NH4)2CO3.
Sunday, November 1, 2009 at 9:19pm by DrBob222
science
Is sodium nitrate polar or nonpolar and how do I figure this out? Sorry about these extra posts. Someone was kind of spamming my post and what they said got deleted. 10, why? okay, um, well, i still need help
Thursday, April 19, 2007 at 5:35pm by Filmore
Chemistry
a) NH3 + H2O ==> NH4 + OH^- Kb = (NH4^+)(OH^-)/(NH3) (NH4^+) = y (OH^-) = y (NH3) = 0.1 - y Plug into Kb and solve for y. b) NH4Cl + HOH ==> NH4^+ + Cl^- The NH4^+ hydrolyzes as follows: NH4^+ + H2O ==> NH3 + H3O^+ Ka = Kw/Kb = (NH3)(H3O^+)/(NH4^+) (NH3...
Friday, September 26, 2008 at 9:39am by DrBob222
Chemistry
NH3 NH4NO3 (NH4)2HPO4 (NH4)2SO4 KNO3 (NH4)H2PO4
Sunday, January 16, 2011 at 1:37am by Anonymous
Chemistry
NH3 NH4NO3 (NH4)2HPO4 (NH4)2SO4 KNO3 (NH4)H2PO4
Sunday, January 16, 2011 at 1:37am by Blaine
CHEM
I think the answer is 3. Depending on the arrangement of outer atoms, this molecule could be polar or nonpolar, which depends totally on the arrangements of the outer atoms.
Monday, November 26, 2007 at 9:23pm by Basira
chemistry
NH3 + H2O ==> NH4+ + OH^- Kb = (NH4^+)(OH^-)/(NH3) (NH4^+) = x (OH^-) = x (NH4) = 1.0M Solve for x = (OH^-) b) Same set up but (NH4^+) = x + 1.0 (OH^-) = x (NH3) = 1.0-x This will be a quadratic but you can simplify it by assuming x is so small as to be negligible so x+...
Saturday, April 2, 2011 at 11:55pm by DrBob222
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