Monday
April 21, 2014

Search: C2H5OH

Number of results: 302

chem
1 mole of C6H12O6=2 moles of C2H5OH moles of C2H5OH*(46.06867g of C2H5OH/mole)=g of C2H5OH (g of C2H5OH/35.1 g of C2H5OH)*100= percent yield of C2H5OH Answer should have three significant figures.
Thursday, March 14, 2013 at 3:40pm by Devron

Chemistry
moles Cr2O7^-2 = M x L = ?? Convert mole Cr2O7^-2 to moles C2H5OH using the coefficients in the balanced equation. That will be moles Cr2O7^-2 x (1 mole C2H5OH/2 moles Cr2O7^-2) = ??moles x (1/2) = xx moles C2H5OH. g C2H5OH = moles C2H5OH x molar mass C2H5OH. %C2H5OH = (g ...
Thursday, March 31, 2011 at 8:33pm by DrBob222

chem
Opps, typo. Last part should say (35.1 g of C2H5OH/g of C2H5OH)*100= percent yield of C2H5OH Answer should have three significant figures ***** Note: g of C2H5OH=46.1g
Thursday, March 14, 2013 at 3:40pm by Devron

chemistry
for (b) this is my work1250 g of H2O * 1 mol / 18 g = 69.44 mol of H2O # of moles of C2H5OH = 69.44 mol of H2O * 1 mol of C2H5OH / 3 mol of H2O = 23.15 mol of C2H5OH * 46 g / 1 mol = 1065 g of C2H5OH 1065 g of C2H5OH * 1 cm3 / 0.789 g = 1350 cm3 of C2H5OH = 1350 mL of C2H5OH...
Friday, October 10, 2008 at 11:19pm by starlight

Chemistry
C2H5OH + 3O2 ==> 2CO2 + 3H2O 2.5 moles C2H5OH x (3 moles O2/1 mole C2H5OH) = 2.5 x (3/1) = ?
Tuesday, October 25, 2011 at 11:59pm by DrBob222

Chemistry
Calculate the volume (L) of the solute C4H8O and the volume (mL) of the solvent C2H5OH that should be combined to prepare 5.54 kg of a solution that is 0.608 m. Molar Mass (g/mol) C4H8O 72.12 C2H5OH 46.07 Density (kg/L): C4H8O 0.8892 C2H5OH 0.7893 Name/Formula: tetrahydrofuran...
Sunday, February 14, 2010 at 9:29pm by Jackie

chemistry
Calculate the volume ( mL ) of the solute C2H5OH and the mass ( g ) of the solvent diethyl ether that should be mixed to produce 3.46 kg of a solution that is 1.31 m C2H5OH. volume ( mL ) of the C2H5OH mass ( g ) of the (C2H5)2O Molar Mass (g/mol) C2H5OH 46.07 (C2H5)2O 74.12 ...
Thursday, June 3, 2010 at 10:48pm by Judy

Chemistry
The unbalanced equation for the combustion of ethanol is as follows: C2H5OH(l) + O2(g) CO2(g) + H2O(g) How much heat, in kJ, is liberated when 4.84 kg of C2H5OH(l) is burned? Species Delta Hf (kJ/mol) H2O(g) -241.8 CO2(g) -393.5 C2H5OH(l) -277.7 Express the answer with ...
Wednesday, October 13, 2010 at 7:46pm by Jordin

chem- plz check my work
2. Given the following equation, C2H5OH(l) + 3 O2(g)---> 2 CO2(g) + 3 H2O(l) How many liter of CO2 are expected in the combustion of 12.0 grams of ethanol? My work: 12.0g C2H5OH X 1 mol C2H5OH/46.08g C2H5OH X 2 mol CO2/1 molC2H5OH X 22.4L CO2/1 mol CO2 = 11.7 L CO2 all i ...
Wednesday, December 8, 2010 at 6:09pm by hannah

chemistry
last check: (c) A wine cooler contains 4.5% ethanol by mass. Assuming that only the alcohol burns in oxygen, how many grams of wine cooler need to be burned to produce 3.12 L of CO2 (d = 1.80 g/L at 25C, 1 atm pressure) at the conditions given the density? 1 C2H5OH + 3 O2 = 2...
Sunday, October 12, 2008 at 12:08pm by starlight

Chemistry
C2H50Na + H2O ==> Na^+ + C2H5O^- The ethanoate ion hydrolyzes as follows: C2H5O^- + HOH --> C2H5OH + OH^- Khydrolysis = Kb = Kw/Ka = (C2H5OH)(OH^-)/(C2H5O^-). (C2H5OH) = y (OH^-) = y (C2H5O^-) = 0.1 - y solve for y and convert to pOH and from there to pH. Check my ...
Friday, September 26, 2008 at 6:57am by DrBob222

Chem Electron Config
start by defining the reaction: C2H5OH + 3O2 = 2CO2 + 3H2O Now you know that each mole of C2H5OH produces 3 moles of H2O. convert grams C2H5OH to moles, multiply by 3, and convert moles H2O to grams.
Thursday, October 18, 2012 at 3:59pm by Steve

science
Have you tried to balance the equation? That would be a good place to start. You will need twice as many CO2's as C2H5OH's. That should be obvious. You will need 1/3 as many H2O's as C2H5OH's. So start with C2H5OH +xO2 -> 2CO2 + 3 H2O Now all you need to do is balance the O...
Sunday, February 6, 2011 at 4:43pm by drwls

chemistry
If you want answers you should become more adept at making your questions clear. Is that 5g C2H5OH? Where's the arrow? There are (5/molar mass C2H5OH) mols in ethanol?
Wednesday, April 17, 2013 at 1:28pm by DrBob222

chemistry
Let's try something different. You get 1368 kJ for a mol of C2H5OH. How many moles C2H5OH do you have in 12.5 g C2H5OH? Then 1368 kJ/mol x mol = ?? kJ.
Wednesday, May 19, 2010 at 11:11pm by DrBob222

Chemistry
The balanced equation shows that 1 mol C2H5OH provides 1235 kJ of energy. 1 mol C2H5OH = how many grams? I think that is about 46 but you should confirm that. So 46 g C2H5OH provides 1235 kJ. You want 293 kJ. It's a simple proportion.
Thursday, November 1, 2007 at 11:50am by DrBob222

chemistry
First balance C's, then H's, then O's using coefficients so you have equal numbers of each element on the sides of the equation. So first you would match up the C's C2H5OH + O2 -> 2CO2 + H2O then do the H's (six on left so need 6 on right) C2H5OH + O2 -> 2CO2 + 3H2O then...
Wednesday, May 2, 2012 at 9:05pm by Anonymous

Chemistry
The alcohol in gasohol burns according to the reaction C2H5OH(l) + 3O2(g) --> 2CO2(g) + 3H2O how many grams of water are produced when 3.0 moles of C2H5OH are burned in an excess of oxygen gas?
Monday, October 15, 2012 at 4:16am by Lana

Chem help
What's CH3OHO? a typo perhaps? HF yes C2H5OH but to a much smaller extent. Both HF and C2H5OH have hydrogen bonds but they are dipoles also.
Friday, November 2, 2012 at 9:32pm by DrBob222

Chemistry
A 11.7 m solution of the solute C2H5OH dissolved in the solvent chloroform is available. Calculate the mass ( kg ) of the solution that must be taken to obtain 2552 g of C2H5OH.
Monday, May 4, 2009 at 2:01am by Tylor

chemistry
C2H5OH + 3O2 --> 2CO2 + 3H2O How many grams of O2 are consumed when 5.86 ml of Ethanol burns completely (the density of C2H5OH is 0.789 g/ml)?
Thursday, February 16, 2012 at 8:19pm by Delta

chem
Okay, looking at the reaction that you provided, 1 mole of C6H12O6=2 moles of C2H5OH You placed one mole of C6H12O6 in the vat. Your reaction tells you that you will get 2 moles of C2H5OH for every 1 mole of C6H12O6. C6H12O6 ----> 2C2H5OH+2CO2 We know that 1 mole of a ...
Thursday, March 14, 2013 at 3:40pm by Devron

chemestry
C2H5OH + 3O2 ==> 2CO2 + 3H2O mols C2H5OH = grams/molar mass Convert mols C2H5OH to mols O2 using the coefficients in the balanced equation. Now convert mols O2 to grams. g = mols x molar mass.
Thursday, February 28, 2013 at 11:22pm by DrBob222

chem
Consider the fermentation reaction of glucose: C6H12O6 ----) 2C2H5OH+2CO2 A 1.00-mol sample of C6H12O6 was placed in a vat with excess yeast. If 35.1 g of C2H5OH was obtained, what was the percent yield of C2H5OH?
Thursday, March 14, 2013 at 3:40pm by shane

General Chemistry
Im having trouble balancing this redox rection in acidic solution. I dont know how to balance reactions in which one reactant splits up into two products. C2H5OH(aq) + I3-(aq) --> I-(aq) + CO2(g) + CHO2-(aq) + H+(aq) I know I split it into C2H5OH --> CO2 + CHO2 + H+ and ...
Wednesday, June 3, 2009 at 5:24pm by Julie

chemistry
Problem#8: Metabolism of alcohol (ethanol, C2H5OH) by the body takes place according to the reaction: C2H5OH(l) + 3O2(g) → 2CO2(g) + 3H2O(l) ΔHo = -1367 kJ Determine the number of food calories (Cal) supplied by the alcohol in a 12-oz (355-mL) bottle of Molson ...
Thursday, October 21, 2010 at 1:28pm by Sarah

Chemistry
Ethanol, C2H5OH is mixed with gasoline and sold as gasohol. Use the following to calculate the grams of ehanol needed to provide 293 kJ of heat. C2H5OH + 3O2 ----> 2CO2 + 3H2O Delta H = -1235 kJ How do I do this question
Thursday, November 1, 2007 at 11:50am by Lauren

Biophysical Chemistry
The combustion of 1 mole of C2H5OH (Ethanol) in a bomb calorimeter produces 1364 kJ/mol at 25 degree Calcium. What is the value of enthalpy chamge for the following combustion reaction? C2H5OH(l) + 3O2(g) => 2CO2(g) + 3H2O(l)
Tuesday, December 21, 2010 at 8:33pm by Laura

Chemistry
Ethanol, C2H5OH, is mixed with gasoline and sold as gasohol. Use the following to calculate the grams of ethanol needed to provide 367 kJ of heat. C2H5OH(l) + 3 O2(g) 2 CO2(g) + 3 H2O(g) H = −1235 kJ
Monday, November 21, 2011 at 5:29pm by Samantha

chemistry
The fermentation of sugar (C6H12O6) to form ethanol (C2H5OH) and carbon dioxide (CO2) occurs according to the following equation: C6H12O6(aq) 2 C2H5OH(aq) + 2 CO2(g) kJ molC1 Hf (C6H12O6(s)) is C1275 Hf (C2H5OH(l)) is C277 Hbond (C=O) 799 (a) Assuming the heat of ...
Wednesday, November 3, 2010 at 6:12am by mailyn

chem
We can't draw structures on this forum_search_20140419. The O of the OH bond on C2H5OH of one molecule is attracted (draw a dashed bond to show it isn't as strong as a regular bond) to the H atom of the OH portion of a neighboring molecule of C2H5OH.
Monday, December 17, 2012 at 8:57pm by DrBob222

chemistry
What is the maximum amount of ethanol (in grams) that can be produced when 1.0 kg of ethylene (C2H4) and 0.014 kg of steam are placed into the reaction vessel? Ethanol (C2H5OH) is synthesized for industrial use by the following reaction, carried out at very high pressure. C2H4...
Tuesday, November 1, 2011 at 10:29am by Amanda

Chemistry
Ethanol (C2H5OH) is synthesized for industrial use by the following reaction, carried out at very high pressure. C2H4(g) + H2O(g) C2H5OH(l) What is the maximum amount of ethanol (in grams) that can be produced when 1.0 kg of ethylene (C2H4) and 0.014 kg of steam are placed ...
Tuesday, November 1, 2011 at 10:33am by Jack

chemistry
1.) How much ethanol, C2H5OH, in liters (d=0.789g/ml) must be dissolved in water to produce 190.5 of 1.65 M C2H5OH? (Molarity problem.) 2.) How much concentrated hydrochloric acid solution (36.0% HCl by mass, d = 1.18g/mL}), in milliliters, is required to produce 11.0 L of 0....
Friday, February 12, 2010 at 8:22pm by joe

chem
The equilibrium constant Kc equals 5.90 for the reaction CH3COOH + C2H5OH <==> CH3COOC2H5 + H2O Find the molar concentrations of acetic acid, ethanol, ethyl acetate, and water at equilibrium when .10 M acetic acid and .20 M ethanol are allowed to equilibrate. I started ...
Monday, April 16, 2007 at 5:00pm by JP

Chemistry
Ethanol, C2H5OH or C2H6O, is mixed with gasoline and sold as gasohol. Given the following thermo-chemical reaction, calculate the kilograms (kg) of CO2 produced when enough ethanol is combusted to provide (or give off) 369 kJ of heat: C2H5OH (l) + 3 O2 (g) --> 2 CO2 (g) +3 ...
Tuesday, July 12, 2011 at 7:41pm by Robert

NEED HELP WITH CHEM HW
Ethanol (C2H5OH) is synthesized for industrial use by the following reaction, carried out at very high pressure. C2H4(g) + H2O(g) C2H5OH(l) What is the maximum amount of ethanol (in grams) that can be produced when 2.2 kg of ethylene (C2H4) and 0.014 kg of steam are placed ...
Saturday, October 1, 2011 at 7:51pm by Anonymous

Chemistry
Ethanol (C2H5OH) is synthesized for industrial use by the following reaction, carried out at very high pressure. C2H4(g) + H2O(g) → C2H5OH(l) What is the maximum amount, in kg, of ethanol that can be produced when 1.65 kg of ethylene (C2H4) and 0.0610 kg of steam are ...
Sunday, October 6, 2013 at 3:13pm by Brittney

chemistry
a 35.6g sample of ethanol (c2h5oh) is burned a bomb calorimeter, according to the following reaction. If the temperature rose from 35.0 to 76.0c and the heat capacity of the calorimeter is 23.3kj/c what is the value of enthalpyH reaction? the molar mass of ethanol is 46.07g/...
Saturday, July 27, 2013 at 10:16pm by and6260

Chemistry
For ethanol, C2H5OH, which is mixed with gasoline to make the fuel gasohol, Hf = -277.63 kJ/mol. Based upon data in Table 6.2, and that the density of ethanol is 0.787 gcm-3, the number of kilojoules released by burning completely 2.40 gallons of ethanol is ? *Table 6.2 ...
Sunday, October 16, 2011 at 5:26pm by A

science
ethanol, C2H5OH, is responsible for the effts of intoxication felt after drinking alcoholic beverages. When ethanol burns in oxygen, carbon dioxide and water are produced. IF you have 256g of ethanol and 100 grams O2, calculate the amount product produced. You need to write ...
Sunday, February 6, 2011 at 4:43pm by liz

chemistry
Calculate the mass ( g ) of the solute ethanol and the mass ( kg ) of the solvent CHCl3 that should be combined to prepare 9900 g of a solution that is 14.5 m ethanol. extra given info from problem: molar mass (g/mol): C2H5OH 46.07 CHCl3 119.38 density (kg/L): C2H5OH 0.7893 ...
Thursday, February 25, 2010 at 8:03pm by Diem

chemistry
Ethanol, C2H5OH, is being promoted as a clean fuel and is used as an additive in many gasoline mixtures. Calculate the ΔHrxn for the combustion of ethanol. ΔHf [C2H5OH(l)] = -277.7 kJ/mol; ΔHf [CO2(g)] = -393.5 kJ/mol; ΔHf [H2O(g)] = -241.8 kJ/mol
Sunday, March 10, 2013 at 9:21pm by Anonymous

Chemistry
A sample of ethanol, C2H5OH, weighing 2.84 g was burned in an excess of oxygen in a bomb calorimeter. The temperature of the calorimeter rose from 25.00C to 33.73C. If the heat capacity of the calorimeter and contents was 9.63 kJ/C, what is the value of q for burning 1.28 ...
Tuesday, June 7, 2011 at 8:26am by Lance

chem
C6H12O6(aq)->2 C2H5OH(aq) + 2CO2(g) Fermentation of 744mL grape juice(density=1.0 g/cm^3) is allowed to take place in a bottle witha V of 825mL until 12% by volume is ethanol (C2H5OH). Assuming CO2 is insoluble in H2O what would the pressure be of the CO2 inside the wine ...
Friday, November 16, 2007 at 1:27pm by mel

Chemistry
Ethanol will combust according to the following equation: C2H5OH(l)+3O2(g)->2CO2(g)+3H2O(l) How many liters of air are required to combust 120.1 g of ethanol at 26.4C and 789.5 mmHg. Assume air is 21% O2 by volume. I cannot find my error - professor states answer as 882.6...
Thursday, April 17, 2014 at 6:00pm by Joe

chemistry
Calculate enthalpy change of reaction for the combustion of gaseous ethanol. C2H5OH + 3O2 >> CO2 + 3H2O. Using standard molar enthalpies of formation. C2H5OH -235.3 ( it's negative sign) CO2 -393.5 H2O -241.8 (1) Calculate the enthalpy change of reaction per mole of ...
Tuesday, April 20, 2010 at 10:00am by Alex

Ap chemistry
I assume you mean mole fraction, XC2H5OH. 11 m means 11 mols C2H5OH/kg solvent or 11 mols/(11 mol C2H5OH + 1000 gH2O) Convert 1000 g H2O to mols = about 55 but you need to do it more accurately. Total mols = 11 + 55 = about 66 XC2H5OH = (11/66) = about 0.167.
Wednesday, May 8, 2013 at 10:11am by DrBob222

thermochemistry
what is the enthalpy change in kilojoules for the combustion of 1 mol of ethanol, C2H5OH (l), to form gaseous carbon dioxide and gaseous water? use bond energies to calculate your answer. (hint: there is a double bond in carbon dioxide and oxygen) the answer is supposed to be...
Tuesday, January 23, 2007 at 3:17pm by Sienna

Chemisty
THINK IT"S Molar mass C2H5OH = 46 g / mol 7.50 g / 46 = 0.163 moles the ratio between C6H12O6 and C2H5OH is 1 : 2 1 : 2 = x : 0.163 x = 0.0815 moles of C6H12O6 needed molar mass C6H12O6 = 180 g/mol 180 x 0.0815 = 14.7 g
Saturday, March 3, 2012 at 3:15pm by MIKE

CHEM
Could you please look over my work and see if I did this correctly? Thanks When 3.200 g of liquid ethyl alcohol (C2H5OH) is burned in a bomb calorimeter containing 3.500 kg of water, the temp rises from 22.84 degrees C to 28.36 degrees C. The calorimeter constant is 25550 J/ ...
Sunday, October 7, 2007 at 1:50pm by Kate

AP CHEMISTRY
Could you please look over my work and see if I did this correctly? Thanks When 3.200 g of liquid ethyl alcohol (C2H5OH) is burned in a bomb calorimeter containing 3.500 kg of water, the temp rises from 22.84 degrees C to 28.36 degrees C. The calorimeter constant is 25550 J/ ...
Sunday, October 7, 2007 at 5:49pm by Kate

Chemistry
What is C2H5OH?
Sunday, March 28, 2010 at 5:11pm by Christopher

chemistry
C2H5OH
Tuesday, May 18, 2010 at 7:13pm by mario

chemistry
Here is the question: A sample of ethanol, C2H5OH, weighing 2.84g was burned in an excess of oxygen in a bomb calorimeter. THe temperature of the calorimeter rose from 24C to 33.73C. If the heat capacity of the calorimeter and contents was 9.63 kj/C. What is the calue of q for...
Wednesday, June 24, 2009 at 12:37pm by Capacino

science
we start with: C2H5OH + O2-> CO2 + H2O Think of this as our skeleton. It cannot be changed. Then, list how many there are of each element. This would be how it would look like: C: 2 C: 1 H:6 H: 2 O: 3 O: 3 Now, always do hydrogen and oxygen last, so we have to do C first. ...
Sunday, February 6, 2011 at 4:43pm by Anonymous

chemistry
1.0*10^25 WHAT C2H5OH?
Sunday, February 28, 2010 at 8:22pm by DrBob222

Chemistry
Get the Limiting Reactant of your reaction, so get the Molar Mass (MM) of C2H4 and H2O from your periodic table then 1650 g / MM of C2H4 = __ mol 61 g / MM of H2O = __ mol the least amount of mol will be your Limiting Reactant. You use the LR to find the max amount of C2H5OH ...
Sunday, October 6, 2013 at 3:13pm by Anonymous

science
what is the molar mass for C2H5OH in grams
Monday, December 15, 2008 at 8:33am by lil iverson01

science
how do you find the electronegativity of Ethanol (C2H5OH)?
Wednesday, October 6, 2010 at 7:34pm by gabrielle

Chemistry
It's tough to answer these tabular questions on the board because of the spacing problem. Because of the spacing problem I'm not sure I understand the problem. You say you have initial concn and equilibrium concn which is two columns, yet you list three values in the first ...
Thursday, September 24, 2009 at 1:29pm by DrBob222

chemistry
1.) How much ethanol, C2H5OH, in liters (d=0.789g/ml) must be dissolved in water to produce 190.5 of 1.65 M C2H5OH? (Molarity problem.) 190.5 WHAT for crying out loud?barrels, freight cars, lakes, I will assume you meant mL. If not that, adjust values below to what you should ...
Friday, February 12, 2010 at 8:22pm by DrBob222

chemistry
Add them up. Can you do that. H2O C2H5OH C3H8O
Sunday, February 10, 2008 at 10:19pm by DrBob222

Chemistry
In the "Methode Champenoise," grape juice is fermented in a wine bottle to produce sparkling wine. The reaction is given below. C6H12O6(aq) 2 C2H5OH(aq) + 2 CO2(g) Fermentation of 712 mL grape juice (density = 1.0 g/cm3) is allowed to take place in a bottle with a total volume...
Tuesday, November 13, 2012 at 7:56pm by Zachary

11th grade Chemistry
c2h5oh(l)302(g)>3h2o{L}
Monday, March 30, 2009 at 7:39pm by kk

chemistry
Which substance is an electrolyte? C2H5OH C6H12O6 C12H22O11 CH3COOH
Tuesday, May 18, 2010 at 7:13pm by b

chemistry
How many moles are represented by 16.0g of ethanol, C2H5OH?
Saturday, June 19, 2010 at 6:50pm by kourtney

chemistry
calculate the number of H atoms present in .5 mole of C2H5OH ?
Sunday, July 11, 2010 at 11:40am by answer please..

chemistry
for visualization purposes: C2H5OH is sometimes written as CH3CH2OH
Monday, August 9, 2010 at 5:23pm by Anonymous

Chemisty
How many grams of c6h12o6 are needed to form 7.50g of c2h5oh
Saturday, March 3, 2012 at 3:15pm by Winnie

Chemistry
What is C2H5OH+3O2>CO2+H2O balanced?
Wednesday, November 28, 2012 at 6:51pm by Bri

science
in atoms and molecules , wat type of molecule does C2H5OH make?
Sunday, September 6, 2009 at 7:04pm by jeje

Chemistry
C2H5OH + O2 ==> CO2 + H2O. The equation isn't balanced.
Wednesday, April 14, 2010 at 11:13pm by DrBob222

chemistry
I'm sure you know the equation. C2H5OH + 3O2 ==> 2CO2 + 3H2O
Monday, August 9, 2010 at 5:23pm by DrBob222

Chem
What is the enthalpy for the following reaction? C2H4+H2O--->C2H5OH
Thursday, November 4, 2010 at 2:55pm by Kay

chemistry
How do you calculate the energy released when 1 mole of ethanol, C2H5OH, is burned?
Sunday, November 7, 2010 at 9:49pm by william

science
How could you distinguish one from the other? (a) CH3COOH and CH3OH? (b) C2H5OH and H2O?
Saturday, October 29, 2011 at 10:00pm by Shirley

Chemistry
What is the molality of an aqueous solution that is 10.0% ethanol, C2H5OH, by mass?
Sunday, February 10, 2013 at 3:25am by Marcus

chemistry
C2H5OH+O2-CH3COOH+H2O HOW MANY MOLES OF ETHANOL IN 5g
Wednesday, April 17, 2013 at 1:28pm by andrew

Chemistry
I found the moles of CO2 and I got 1.47. 85.4 L ethanol * .79 g/cm3 = 67.5g ethanol. 67.5/(12+12+5+16+1)= 1.47 moles ethanol. 1.47 moles C2H5OH *(2 moles C2H5OH/ 2 moles CO2) = 1.47 moles CO2. What do I use for the volume? do I use the volume of the bottle, the volume of the ...
Tuesday, November 13, 2012 at 7:56pm by Zachary

Chemistry
Why is the boiling temperature of C2H5OH 78C and water is 100C at 760 Torr.
Tuesday, January 29, 2008 at 9:17pm by Chuck

chemistry
Determine the number of molecules of ethanol (C2H5OH) in 47.0 g. Can someone explain to me how to do this?
Sunday, March 14, 2010 at 7:36pm by Lola

Chemistry
How many moles of solute particles are present in 1 L of aqueous 0.08 M ethanol (C2H5OH)?
Monday, October 18, 2010 at 5:21pm by Blair

Chemistry
How many grams of CO2 are formed when 32 g of O2 reacts with 23 g of C2H5OH?
Sunday, January 29, 2012 at 6:55pm by Bob

Chemistry
If you were to have a lewis dot structure, such as, C2H5OH, where is the O placed? Between a carbon and an H.
Monday, January 22, 2007 at 1:44pm by Chemwiz

chemistry
Use proportion: sample mass =3.39*(RMM of C2H5OH)/(RAM of O=16) =? g
Wednesday, September 22, 2010 at 8:27pm by MathMate

Thermochemistry
C2H5OH + 3O2 ==> 2CO2 + 3H2O deltaHrxn = (2*DHfCO2)+(3*DHfH2O)-(DHfC2H5OH = ??
Monday, April 18, 2011 at 5:16pm by DrBob222

chemistry
Calculate the molarity of a 295 mL solution contain 45 g of ethanol (C2H5OH)
Sunday, November 27, 2011 at 12:53pm by jane

chemistry
what mass of ethanol(C2H5OH) will be required to prepare a 2.00m solution in 8.00kg of water?
Monday, April 16, 2012 at 5:58pm by maria

Chemistry
1 mole of C2H5OH = 12.0112 + 1.007946 + 16.00 = 46.07 grams
Monday, June 15, 2009 at 7:54pm by GK

chemistry
How much ethyl alcohol (C2H5OH) must be added to 1.00 L of water so that the solution will not freeze at -4F?
Saturday, March 6, 2010 at 9:35am by ray

Chem
What is the enthalpy for the following reaction? overall: C2H4+H2O--->C2H5OH is -1411kJ correct??
Thursday, November 4, 2010 at 5:04pm by Angel

chemistry
which liquid, propane (C3H6) or ethanol (C2H5OH)would have the greatest surface tension?
Friday, September 23, 2011 at 8:09pm by justme

CHEMISTRY HELP
1) The specific heat of solid copper is 0.385 J/g(C). What thermal energy change occurs when the temperature of a 34.10 g sample of copper is cooled from 35.7 degrees Celsius to 13.9 degrees Celsius? Answer: -286.3 J This amount of heat is used to melt solid ice at 0.0 degrees...
Monday, October 17, 2011 at 7:37pm by Jen

science
What have the compounds in each of these pairs in common? How could you distinguish one from the other? (a) CH3COOH and CH3OH? (b) C2H5OH and H2O?
Saturday, October 29, 2011 at 10:00pm by Shirley

science
What have the compounds in each of these pairs in common? How could you distinguish one from the other? (a) CH3COOH and CH3OH? (b) C2H5OH and H2O?
Saturday, October 29, 2011 at 10:25pm by Shirley

Chemistry
This is a limiting reagent problem. I know that because amounts are given for BOTH reactants. 1 Write and balance the equation. 2. Convert g O2 t mols. mols = grams/molar mass 3. Convert g C2H5OH to moles. 4a. Using the coefficients in the balanced equation, convert moles ...
Sunday, January 29, 2012 at 6:55pm by DrBob222

Chemistry - enthalpy reivison(help)
58. When a vehicle is parked in the sunlight on a hot summer day, the temperature inside can approach 55C. One company has patented a non-CFC propelled aerosol that can be sprayed inside a vehicle to reduce the temperature to 25C within seconds. The spray contains a mixture ...
Tuesday, March 29, 2011 at 8:09pm by Farah

Chemistry
At the same cost per pound, which alcohol, CH3OH or C2H5OH, would be more economical to purchase as an antifreeze for your car? Why?
Sunday, November 14, 2010 at 8:04pm by Sarah

chemistry
You should post separate questions for these, otherwise they sometimes get left behind. C2H5OH + 3O2 ==> 2CO2 + 3H2O
Wednesday, November 9, 2011 at 11:41pm by DrBob222

Pages: 1 | 2 | 3 | 4 | Next>>

Search
Members