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September 26, 2016

Search: theoretical yield of sulfanilamide in ethyl alcohol

Number of results: 4,035

chem
Forty-two grams of benzoic acid is treated with concentrated nitric acid in some sulfuric acid. Forty-two grams of the major expected organic product is isolated. What is the percentage yield for this experiment? Give an equation with structural formulas for the major reaction...
August 6, 2007 by Damon

chemistry
What are several reasons why the actual yield from a chemical reaction is not usually equal to the theoretical yield?
April 6, 2010 by John

Biology
Give 2 reasons why the theoretical yield and actual yield of ATP per glucose molecule are different. Thanks!
March 6, 2008 by Bilover!

chemistry
Suppose 13.8 g Na and 21.6 g of water are mixed. What is the theoretical yield in grams of hydrogen from this mixture. what is the % yield if 0.500 g of H2 is formed
October 6, 2013 by Anonymous

chemistry
Record and calculate the following masses: (a)mass of empty beaker: 47.420g (b)mass of beaker plus Na₂CO₃:47.920g (c)Mass of Na₂CO₃:0.5g (d)mass of beaker plus NaCl:47.438g (e) Mass of NaCl (g):0.018g **I need help with these questions below** 2. ...
June 7, 2012 by chelsea

chemistry
what is the theoretical yield of lithium yield chloride
January 11, 2009 by Sarah

science
Explain why the boiling point of ethyl alcohol (C2H5OH, 78.4 oC) is higher than the boiling point of methyl alcohol (CH3OH, 64.7 oC).
December 30, 2014 by CHAN

chemistry2
if 160g of Al reacts with O2 to produce 260g of Al2O3.calculate the theoretical yield and the percent yield 4Al+3O2 2Al2 O3
May 5, 2010 by chris

Chem
Question: "Calculate the theoretical yield of calcium carbonate of you react 2.55g of calcium chloride dihydrate with an excess amount of sodium carbonate." I got the molar mass of calcium chloride dihydrate which is 131.015 g/mol, but Im not sure how to start the equation for...
October 8, 2007 by Jenna

chemistry
A gaseous mixture containing 5 moles of H2 and 7 moles of Br2 reacts to form HBr. Write a balanced chemical equation. Which reactant is limiting? What is the theoretical yield in moles? What is the theoretical yield for this reaction in grams? How many moles of excess reactant...
December 4, 2011 by Zoe

chemistry
A student extracts 6.3 g of water when performing the following combustion: C2H8 + 4O2 --> 2 CO2 + 4H2O If the theoretical yield is 8.6, what is the percent yield?
March 18, 2013 by Lindt

Physical Education
A solid object floats on ethyl alcohol, with 68.2%of the objects volume submerged .Find the density of the object. Take density of alcohol =806 kg/m
May 13, 2013 by Janaiby

Science
Which is a better bacteria killer? Bleach or hand sanitizer which contains 62% ethyl alcohol. i'm not sure but i think is the hand sanitizer. hand sanitizer ok thanks. What kind of germs? What temperature? In any case, I think bleach would be hard to beat but I have no proof ...
December 7, 2006 by Moi

Chemistry
Calculate the percent yield of iron if 950 g of Fe3O4 underwent the reaction shown in the chemical equation below and 533 g of Fe was isolated from the reaction mixture. Fe3O4 (s) + 2 C(s) ----> 2 CO2 (g) + 3 Fe(s) 1). 25.9% 2). 77.5% 3). 56.1% 4). None of the above. Based ...
April 11, 2007 by Van jan

chemistry
DATA TABLE 1: DATA FOR REACTION MIXTURES Tube Number Pb(NO3)2 NaI Height Ppt. (cm) Maximum Theoretical Yield Ppt. (mol) (mL) (mol) (mL) (mol) 1 2.0 0.5 16.0 0.5 0.6 2 4.0 0.5 14.0 0.5 1.3 3 6.0 0.5 12.0 0.5 1.8 4 8.0 0.5 10.0 0.5 1.5 5 10.0 0.5 8.0 0.5 1.7 6 12.0 0.5 6.0 0.5 0...
March 10, 2010 by BT

chemistry - synthesis of aspirin
I wanted to calculate the theoretical and actual yield of aspirin. mass of salicylic acid = 2.005 g But isn't salicylic acid differ. from acetic acid? If so, how do we find the mass of acetic acid in this experiment volume of acetic anhydride = 4 ml mass of acetic anhydride (...
April 6, 2012 by Priscilla

Chemistry
H3C6H5O7(aq) + 3 NaHCO3(aq) Na3C6H5O7(aq) + 3 H2O(l) + 3 CO2(g) How do you go about calculating theoretical yield of carbon dioxide from 1.00g of sodium bicarbonate andthe percentage yield
February 28, 2012 by Jo

physics
A 350g glass beaker contains 500g of water at a temperature of 10.0C. If 400g of ethyl alcohol at 35C is subsequently poured into the beaker and the water and alcohol mixture is thoroughly stirred, what is its equilibrium temperature?
March 22, 2012 by Paige

CHEMISTRY
WOULD YOU PLEASE SAY ME WHATWE USE ETHANOL IN SENTHESIS OF CU(NH3)4SO4.H2O I'm not sure. You don't say what kind of ethyl alcohol nor how you synthesized the copper salt; however, an educated guess is that you used absolute alcohol (100%) to form the monohydrate instead of the...
May 6, 2007 by NAZANIN

Chemistry
Barium sulfate, BaSO4 is made by the following reaction. Ba(NO3)2(aq) + Na2SO4(aq)----> BaSO4(s) + 2NaNO3(aq) An experiment was begun with 91.77 g of Ba(NO3)2 and an excess of Na2SO4. After collecting and drying the product, 62.3 g of BaSO4 was obtained. Calculate the ...
April 3, 2010 by David

physics
Glycerin, of density 1260.0 kg/m3, is poured into an open U-shaped tube. Ethyl alcohol, of density 790.0 kg/m3, is then poured into one arm until the height of the alcohol column is 21.4 cm. The two liquids do not mix. What is the difference in height between the top surface ...
December 3, 2009 by Anonymous

Chemistry
What is the theoretical yield of calcium carbonate if 2.97 grams of calcium chloride dihydrate reacts with excess sodium carbonate according to the balanced chemical reaction shown below? CaCl22H20(aq)+Na2CO3(aq)->CaCO3(aq)+2NaCL(aq)+2H20(I) Please use molar mass values ...
February 23, 2009 by Bob

Chemistry
Calculate the theoretical yield in moles of Fe(C5H7O2)3 for this experiment. Record this number on your data sheet. Calculate the theoretical yield in g Fe(C5H7O2)3 (GMM: 353.18g mol^-1), for this experiment. Record this number on your data sheet. I really need help on these ...
October 21, 2012 by Singh

chemistry
Calculate the theoretical yield in moles of Fe(C5H7O2)3 for this experiment. Record this number on your data sheet. Calculate the theoretical yield in g Fe(C5H7O2)3 (GMM: 353.18g mol^-1), for this experiment. Record this number on your data sheet. I really need help on these ...
October 21, 2012 by Anonymous

chemistry
1. 30.0 ml of ethyl alcohol(density=0.790g/ml)are added to a graduated cylinder that weighs 44.28 grams. what will be the mass of the graduated cylinder plus the alcohol(in grams)?
September 22, 2011 by ann

physics
the mass density of a mixture of ethyl alcohol and water is 950kg/m^3. is the mixture mostly water, alcohol, or about half and half. What is your reasoning?
October 1, 2012 by tiffany

chemistry
how many molecules are in 35 grams of C2H60 (ethyl alcohol(?
March 2, 2011 by Anonymous

Chemistry
In Hydration of 2-Ethyl-1-Butene which alcohol is predominant? Thanks!!!
November 27, 2010 by Mandy

chemistry
find the density of ethyl alcohol if 80.0 cm^3 "weighs" 63.3g.
September 27, 2011 by steven

chemm
find the density of ethyl alcohol if 80.0 cm^3 "weighs" 63.3g.
September 27, 2011 by steven

science
How is ethyl alcohol convert into chloroform?
September 20, 2015 by wungmung

Chemistry
I am soo lost on this one, I don't even know where to begin! I have read the chapter and it's just not clicking! If you start your reaction with 0.083 g of salicylic acid, what theoretical yield of acetylsalicylic acid would you predict? If your experimental yield of ...
December 8, 2014 by anonymous

chemistry
A student prepared aspirin (C9H8O4) in a laboratory experiment using the following reaction. C7H6O3 + C4H6O3 C9H8O4 + HC2H3O2 The student reacted 2.00 g salicylic acid (C7H6O3) with 2.67 g acetic anhydride (C4H6O3). The yield was 2.00 g aspirin. Calculate the theoretical yield...
February 4, 2009 by lyne

Science
Write a mechanism for the Claisen reaction of ethyl ethanoate (ethyl acetate) to give ethyl acetoacetate?
April 18, 2011 by Jamie

Chemistry
Consider the following chemical equation: TiCl4(g) + 2Mg(l) → Ti(s) + 2MgCl2(l) 3.54107g of TiCl4(g) were reacted completely and 7.91106g of Ti(s) was obtained in the experiment. a. Calculate the theoretical yield of Ti(s). b.What is the actual yield of Ti(s) in this ...
February 24, 2015 by Jennie

Physics
Glycerin is poured into an open U-shaped tube until the height in both sides is 20 {\rm cm}. Ethyl alcohol is then poured into one arm until the height of the alcohol column is 20 {\rm cm}. The two liquids do not mix. What is the difference in height between the top surface of...
December 7, 2012 by Amanda

Physics
Glycerin is poured into an open U-shaped tube until the height in both sides is 18 cm . Ethyl alcohol is then poured into one arm until the height of the alcohol column is 18 cm . The two liquids do not mix. What is the difference in height between the top surface of the ...
September 1, 2015 by Mike

chemistry
what is the osmolarity of a 1.0M solution of ethyl alcohol (C2H6O) in water?
April 9, 2011 by kathy

chemistry
Draw the condensed structural formulas of ethyl alcohol
May 22, 2011 by Ivy

chemistry
What will be the concentration % of 50ml ethyl alcohol and 150 ml water
July 4, 2011 by Manan

Chemistry
How many moles of ethyl alcohol C2H6O are in a 25.0 sample? How do I calculate?
March 21, 2013 by Yaneth

chemistry
please show the step by step for theoretical yield /yield % of 1.963g NaHCO3-Na2CO3
November 18, 2015 by Anonymous

chemistry
When NH3 is prepared from 28 g of N2 and excess H2, the theoretical yield of NH3 is 34 g. When this reaction is carried out in a given experiment, only 30 g is produced. What is the percent yield?
July 23, 2010 by Anonymous

Chemistry Help
The theoretical yield of Cl2 that could be prepared by mixing 15.0 g of manganese dioxide (MnO2) with 30.0 g of HCl is 12.2 g. The limiting reagent was MnO2. When the reaction was run only 8.82 g of Cl2 was collected. The percent yield of Cl2 is_? a)58.8 % b)72.3 % c)29.4 % d)...
February 27, 2015 by Alex

chemistry
If you used 0.155 mL of acetic anhydride, and 0.165 g of p-aminophenol what was your theoretical yield of acetaminophen? ___________g If you recovered 0.173 g of acetaminophen, what was your percent yield? ________%
October 19, 2011 by ej

Chemistry
If the theoretical yield of a reaction is 18.6 grams & 7.6 grams were collected the.experiment, what is the percent yield
November 5, 2012 by B

Chemistry
K+(aq) + Al3+(aq) + 2SO42-(aq) + 2H2O(l)→KAl (SO4)2 * 12H2O(s) Al is limiting and 1.007 g Find the theoretical yield and percent yield I think the answer is 17 and 40, respect. I just need help figuring it out
December 5, 2013 by Emily

CHEMISTRY
WHAT WOULD BEST TO MEASURE 18ML OF ETHYL ALCOHOL ACCURATELY
September 8, 2008 by SHONDA

stoiciometry (chemistry)
calculate the theoretical yield of Cu when 53.2g Cu2S react with oxygen. (balanced equation is CU2S+02>2Cu+S02) Please help me figure this homework out. I just dnt get how to get the theoretical yeild. I want to know to be able to do the rest right. Thanks much!
April 15, 2013 by lila

physics
. Ethyl alcohol has been added to 160 mL of water in a container that has a mass of 130 g when empty. The resulting container and liquid mixture has a mass of 510 g .What volume of alcohol was added to the water? (in mL)
December 5, 2008 by Sandhya

physics
Ethyl alcohol has been added to 190 {\rm mL} of water in a container that has a mass of 140 {\rm g} when empty. The resulting container and liquid mixture has a mass of 450 {\rm g}. What volume of alcohol was added to the water?
December 4, 2011 by Anonymous

College Chemistry Lab
Determine the molarity of FD&C Yellow #5 in the following solution that's prepared by mixing the dye solution with water and alcohol. None of the solutes react with one another. 6.35x10^-5M FD&C Yellow #5 = 6.50mL deionized water = 6.50mL ethyl alcohol = 6.80mL
March 16, 2010 by L**

phyics
Ethyl alcohol has been added to 190 {\rm mL} of water in a container that has a mass of 140 {\rm g} when empty. The resulting container and liquid mixture has a mass of 450 {\rm g}. What volume of alcohol was added to the water? Express your answer using two significant figures.
December 4, 2011 by please help

chemistry!!!Need helpp!!!
how do you find percent yield of a rxn, and how do you find mmol of something? percent yield = 100 * (actual yield/predicted yield) find the number of moles, and then conver it to milimeter. millimols = mols x 1000 OR mols = grams/molar mass OR millimols = milligrams/molar ...
December 3, 2006 by day

General Chemistry
CaO + 2NH4Cl > 2NH3 + H2O + CaCl2 If 112 g of CaO and 224 g of NH4CL are mixed the theoretical yield of NH2 is 68.0 g. If only 16.3 g of NH3 is actually obtained, what is the percent yield?
December 8, 2010 by Jashmid

Chemistry
In an experiment, 13g of methanol and 11 g of carbon monoxide were placed in a reaction vessel. Given the following reaction C:12.0 amu O:16.0 amu H:1.0 amu CH3OH + CO --> HC2H3O2 1 What is the theoretical yield of acetic acid? 2 If the actual yield of acetic acid is 19.1 g...
May 1, 2015 by Sara

Chemistry
Calculating theoretical yield and percentage yield from preparation of 4-acetoxybenzoic acid from the interaction of 4-hydroxybenzoic acid and sulphuric acid
October 28, 2015 by Andrew

chemistry
how much ethyl alcohol must be added to 1.00l of water so that the solution will not freeze at -4f
March 6, 2010 by me

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

chemistry
A 11.0% (w/v) solution of ethyl alcohol is diluted from 51.0 mL to 230.0 mL. What is the new weight/volume percent?
February 21, 2012 by Kyle

Chemistry
Calculate the number of moles in this quantity: 250 ml ethyl alcohol,C2H5OH(=0.789 g/ml)
December 14, 2012 by Anonymous

org. chem
Give IUPAC name of the products of the dehydration of this alcohol? 2-ethyl cylcopentanol
March 4, 2013 by meghan

Chemistry
How much heat needs to be released if 95g sample of ethyl alcohol condenses?
April 17, 2013 by Patti

Chemistry
If the density of ethyl alcohol is 0.789 g/mL, how many quarts can be produced by the fermentation of 100.0 lb of sugar?
November 3, 2014 by Noah

chem
consider the following balance chemical equation: 2NH3(g)+3CuO(s)=N2(g)+3Cu(s)+3H2O(g) if 18.1grams of ammonia reacts with 90.4 grams of copper(II) oxide, which is the limitting reagent?? what is the theorectical yield of nitrogen gasd? if 8.52 g of N2 are formed, what is the...
November 15, 2010 by julia-Drboob22

chem
consider the following balance chemical equation: 2NH3(g)+3CuO(s)=N2(g)+3Cu(s)+3H2O(g) if 18.1grams of ammonia reacts with 90.4 grams of copper(II) oxide, which is the limitting reagent?? what is the theorectical yield of nitrogen gasd? if 8.52 g of N2 are formed, what is the...
November 15, 2010 by julia

Chemistry
Assume you started with a 0.642 gram sample of Sodium Bicarbonate and aster adding an excess of hydrochloric acid and carrying out the experiment correctly, you calculateed there was a 94.8% yield of sodium chloride. What was the experimental yield of sodium chloride in the ...
March 19, 2013 by Yaneth

Chemistry
50 ml of 5 M H2SO4 react with excess BaCl2 to Make 40 g of BaSO4. a.) What is the theoretical yield of BaSO4? b.) What is the Percentage yield of BaSO4
November 4, 2010 by Bert

gr. 12 chemistry
Hi, please check my work: In an experiment, 23.4 g of FES are added to excess oxygen and 16.5 g of FE2O3 are produced. The balanced equation is: 4FeS = 7O2 --> 2Fe2O3 + 2SO2 Calculate the % yield. My Answer: nFeS=23.4g/87.92 g/mol =0.266 mol 4mol FeS / 0.266 mol = 7mol O2/ ...
May 24, 2008 by Sarah H

chemistry
1. 30.0 ml of ethyl alcohol(density=0.790g/ml)are added to a graduated cylinder that weighs 44.28 grams. what will be the mass of the graduated cylinder plus the alcohol(in grams)? 2. what is the volume (in ml)of a liquid(density=2.07 g/ml)weighing 130.grams?
September 22, 2011 by ann

chem/DrBob22
consider the following balance chemical equation: 2NH3(g)+3CuO(s)=N2(g)+3Cu(s)+3H2O(g) if 18.1grams of ammonia reacts with 90.4 grams of copper(II) oxide, which is the limitting reagent?? what is the theorectical yield of nitrogen gasd? if 8.52 g of N2 are formed, what is the...
November 15, 2010 by julia

chemistry
What is the percent yield if 23.5 of ethyl chloride is actually formed?
April 19, 2012 by Anonymous

physics
You have exactly 1 L of ethyl alcohol at room temperature 23 C. You put it in a refrigerator at 4 C.What's its new volume?
April 19, 2012 by I

chemistry grade 11
which of the following has lowest vapour pressure ? 1 water 2 bromine 3 ethyl alcohol 4 ether
January 19, 2015 by abdul sattar

chemistry
Acetic acid (CH3COOH) reacts with isopentyl alcohol (C5H12O) to yield the ester isopentyl acetate which has the odour of bananas. If the yield from the reaction is 45%, how many grams of isopentyl acetate are formed when 3.90 g of acetic acid and 6.28 grams of isopentyl ...
November 15, 2011 by kim

Chemistry
Dr. Bob222, Yesterday I posted a question and you answered me with how to calculate it.. Can you tell me if I'm doing this correctly?? Please! Consider the following chemical equation: TiCl4(g) + 2Mg(l) → Ti(s) + 2MgCl2(l) 3.54107g of TiCl4(g) were reacted completely ...
February 25, 2015 by Jennie

Chemistry
Question Given the equation: 4 Fe(s) + 3 O2(g) ? 2 Fe2O3(s), what is the theoretical yield of Fe2O3 from the reaction of 4.86 g Fe with excess O2? b. If 6.76 g Fe2O3 are actually obtained from 4.86 g Fe, what is the percent yield? c. Under other conditions, the percent yield ...
November 10, 2015 by Kami

Chemistry 101
I had a snag from a question I asked yesterday, here is the thread. (My snag being the final post) I am trying to find the theoretical yield for this lab I am working on. The steps to finidng it would be great. In my lab I took 40mls of H2O + 4g of AgNO3+ 8g of NaCL then I ...
June 8, 2009 by Gweedo8

chemestry
For the following reaction, 6.84 grams of benzene (C6H6) are mixed with excess oxygen gas. Assume that the percent yield of carbon monoxide is 71.1 %. 2 C6H6 (l) + 9 O2 (g) 12 CO (g) + 6H2O (g) (1) What is the theoretical yield of carbon monoxide ? __grams (2) What is the ...
November 17, 2010 by cristy

chem
If 4.75 mL of cycohexene is reacted with 7.04 g of bromine, which is the limiting reagent? What is the theoretical yield of product? Alkenes like cyclohexene undergo addition reactions with bromine to produce dibromoalkanes. So, write and balance the equation. Then, calculate ...
September 4, 2005 by Nisar

Chemestry
The covalent compounds ethyl alcohol and dimethyl ether have the formula C2H6O. However, the alcohol melts at -117.3 degrees C and boils at 78.5 degrees C the ether melts at -138.5 degrees C and boils at -23.7 degrees C. How could differences in forces between molecules be ...
May 3, 2011 by Agustin

Chemestry
The covalent compounds ethyl alcohol and dimethyl ether have the formula C2H6O. However, the alcohol melts at -117.3 degrees C and boils at 78.5 degrees C the ether melts at -138.5 degrees C and boils at -23.7 degrees C. How could differences in forces between molecules be ...
May 3, 2011 by Agustin

Chemistry - please help
Hi, please check my work: In an experiment, 23.4 g of FES are added to excess oxygen and 16.5 g of FE2O3 are produced. The balanced equation is: 4FeS = 7O2 --> 2Fe2O3 + 2SO2 Calculate the % yield. My Answer: nFeS=23.4g/87.92 g/mol =0.266 mol 4mol FeS / 0.266 mol = 7mol O2/ ...
May 23, 2008 by Sarah H

Chemistry - please help
Hi, please check my work: In an experiment, 23.4 g of FES are added to excess oxygen and 16.5 g of FE2O3 are produced. The balanced equation is: 4FeS = 7O2 --> 2Fe2O3 + 2SO2 Calculate the % yield. My Answer: nFeS=23.4g/87.92 g/mol =0.266 mol 4mol FeS / 0.266 mol = 7mol O2/ ...
May 23, 2008 by Sarah H

chemistry
Aspirin is synthesized in a reaction with a theoretical yield of 0.728 moles of aspirin. What is the % yield of 1.26 g of aspirin is recovered MW of aspirin is 180.15 thank you so much!
February 17, 2011 by Dianne

chemistry
The synthesis of a certain drug can be carried out with 91.7% yield. In one experiment 14.8 g of the drug was obtained. What was the theoretical yield for this experiment?
July 9, 2015 by Linda

Chemistry
Acetic acid (CH3COOH) reacts with isopentyl alcohol (C5H12O) to yield the ester isopentyl acetate which has the odour of bananas. If the yield from the reaction is 45%, how many grams of isopentyl acetate are formed when 3.77 g of acetic acid and 7.46 grams of isopentyl ...
November 19, 2010 by stacy

Chemistry
The question asks to determine the IUPAC name of a compound based on a diagram. I would choose the name: (Z)-5-ethyl-2,4,6-trimethyl-2,4-octadiene However, this doesn't match any of the given choices. They are: a. (Z,Z)-5-Ethyl-2,4,6-trimethyloctadiene b. (E)-5-Ethyl-2,4,6-...
May 28, 2008 by chemstudent

chem 101
This is second part is built off the first question. These are all from a practice test. How much heat is required to raise the temperature of exactly one liter of water fro m 60 F to 180 F? correct answer: 279kj How much alcohol must be burned to generate enough heat to ...
April 15, 2012 by Anonymous

chem
The burning of 18.0 g of carbon produces 55.0 g of carbon dioxide. What is the theoretical yield of CO2? Calculate the percent yield of CO2.
June 1, 2008 by Anonymous

Chemistry
The burning if 18.0 g of carbon produces 55.0 g of carbon dioxide. What is the theoretical yield of CO2? Calculate the percent yield of CO2.
February 7, 2013 by Tim

chem 101
Determine the heat of combustion of ethyl alcohol (C2H6O). the right answer is -1238.43 kj/mol. Help with process thank you
April 11, 2012 by Anonymous

Science
50 ml of ethyl alcohol amd 40ml of water combined in a beaker add up to 90ml of liquid why is this? (Particle theory)
November 20, 2014 by Anonymous

Science
If you burn 16.5 ml of ethyl alcohol, C8 H18, that has a density of 0.789g/ml what mass of co2 is produced? I have no idea where to start.
January 10, 2016 by Joel

chemistry
2.2. Billions of kilograms of urea, are produced annually for use as a fertilizer. The reaction used is given below. NH3(g) + CO2(g) → CO(NH2)2(s) + H2O(l) The typical starting reaction mixture has a 3:1 mole ratio of NH3 to CO2. If 47.7 g urea forms per mole of that ...
August 24, 2016 by mandla

abnormal psychology
alcohol is link to what theoretical approach
November 6, 2011 by Sharon

Chemistry
If 10.5 g of hydrogen, H2, were mixed with 6.51 g of acetylene, C2H2, and allowed to react according to the following equation, what is the theoretical yield of ethane, C2H6, produced? If 7.00 g of ethane, C2H6, were recovered at the end of the reaction, what is the percent ...
April 26, 2013 by C.M.

Chemistry
Manufacturing of Freon (CCl2F2): 2 HF(g) + CCl4(I) --> CCl2F2(g) + 2 HCl(g) Supplies on hand: 1.0kg HF and 1.0 kg CCl4. After the reaction was conducted, 0.44kg CCl2F2 was measured in the lab. 1) What is the theoretical yield of Freon? 2) What was the percent yield? 3) What...
November 19, 2010 by Kathy

chemistry
6 small glass beads are found to weigh 9.34 g. The beads are placed in a graduated cylinder filled with ethyl alcohol (density 0.78 g/mL). The reading of the liquid in the cylinder before the beads were added is 21.5 mL. After the beads sink to the bottom of the alcohol the ...
September 24, 2014 by Laurence

grade 12 chem
write equations to show the synthesis pathway for ethyl-3-hydroxybutanoate. An alkane and alcohol of your choice are the starting materials.
March 9, 2010 by time

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