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May 1, 2016

Search: 12. How many grams of CO are needed to react with an excess of Fe2O3 to produce 209.7 g Fe?

Number of results: 21,681

chemistry
how many moles of carbon dioxide will be produced when 2.8 moles of oxygen react (consider the combustion of ethylene: C2H4 + 3 Oxygen2 -->2CO2 +2H2Oxygen
April 19, 2010 by llo

chemistry
how many moles of carbon dioxide will be produced when 2.8 moles of oxygen react (consider the combustion of ethylene: C2H4 + 3 Oxygen2 -->2CO2 +2H2Oxygen
April 19, 2010 by chem help

Chemistry
Could somebody please explain why in gaseous reaction the collision frequency between molecules is far greater than the rate at which molecules react? Thanks! :)
April 20, 2013 by Matt

Business plan
How can I clearly state sound reasons that my services are currently viable and how I will react to future challenge. I have cleaning business
January 4, 2014 by Anita

Language Arts
In "The Finish of Patsy Barnes," how does Patsy react to his mother's treatment by the city doctor? a. with gratitude b. with anger c. with amazement d. with puzzlement
October 30, 2014 by yaya

chemistry
Calcultate the volume (in mL)of 0.250M silver nitrate solution required to react completely with a 5.00g piece of copper wire. (Assume the reaction runs at 100% yield.)
April 13, 2011 by Tinkerbell

Chemistry
Calcultate the volume (in mL)of 0.250M silver nitrate solution required to react completely with a 5.00g piece of copper wire. (Assume the reaction runs at 100% yield.)
April 15, 2011 by Tinkerbell*

chemistry
Balanced chemical equation, calculate how many moles of products would be prduced of 0.500 mole of the first reactant were to react completely. CO2 + 4H2 = CH4+ 2H2O
April 18, 2012 by Anonymous

Chemistry
Zinc reacts with hydrochloric acid according to the reaction equation: Zn(s)+2HCl(aq)->ZnCl2(aq)+H2(g) How many milliliters of 4.50M HCl1(aq) are required to react with 8.25g of an ore containing 30.0% Zn(s) by mass?
October 7, 2012 by Anna

chemistry
You weigh out 1.70 g of sodium carbonate monohydrate, dissolve it in water and react it with 15.00 mL of 2.00 M HCl. Write an equation for the reaction and calculate the expected mass of carbon dioxide that will be produced.
February 13, 2013 by memo

Chemistry
You weigh out 1.20 g of sodium carbonate monohydrate, dissolve it in water and react it with 15.00 mL of 2.00 M HCl. Write an equation for the reaction and calculate the expected mass of carbon dioxide that will be produced.
February 14, 2013 by Nathan

Chemistry
The antacid Amphogel contains aluminum hydroxide Al(OH)3. How many milliliters of 6.00M HCl are required to react with 150mL of 1.12M Al(OH)3? Al(OH)3(s) + 3HCl(aq) → AlCl3(aq) + 3H2O(aq) Help please and thanks in advance
November 3, 2013 by Nadia

pharma medicine
you are combining 50ml of a 20%sol,150ml of a 15% sol.,and 200ml of a 35% sol.what is the final % concentration of the mixed sol. how many total grams are is the final sol? Grams total= .2*50 + .15*.15 + 200*.35 This is making a big assumption: that the density of the ...
December 2, 2006 by rimple

chemistry
A student is performing an experiment to find the density of water. She obtains a 100ml beaker, which weighs 53.257 grams, and she fills it with 60 mL of water. The temperature of the water is 25.5 degrees celsius (room temperature). Again the student takes the weight of the ...
February 16, 2015 by Samantha

Math
I forget how to do these type of word problems. Assume you working on the house pictured below. The length of the house is 50 feet, the width is 30 feet, and from the ground to the gable (the height of the rectangle) is 10 feet. The height of the triangular prism on top is 6.5...
September 26, 2012 by Alisa

Physics
Please Help! An object at 20 degrees Celsius with heat capacity 100 calories/Celsius is placed in 40 grams of water at 100 degrees Celsius. After equilibrium is reached, the object is removed from the hot water and placed in 200 grams of water at 0 degrees Celsius. What is the...
March 1, 2011 by Amanda

Physics
Please Help! An object at 20 degrees Celsius with heat capacity 100 calories/Celsius is placed in 40 grams of water at 100 degrees Celsius. After equilibrium is reached, the object is removed from the hot water and placed in 200 grams of water at 0 degrees Celsius. What is the...
March 2, 2011 by A

Physics
Please Help! An object at 20 degrees Celsius with heat capacity 100 calories/Celsius is placed in 40 grams of water at 100 degrees Celsius. After equilibrium is reached, the object is removed from the hot water and placed in 200 grams of water at 0 degrees Celsius. What is the...
March 2, 2011 by A

Physics
Please Help! An object at 20 degrees Celsius with heat capacity 100 calories/Celsius is placed in 40 grams of water at 100 degrees Celsius. After equilibrium is reached, the object is removed from the hot water and placed in 200 grams of water at 0 degrees Celsius. What is the...
March 2, 2011 by A

Physics
Please Help! An object at 20 degrees Celsius with heat capacity 100 calories/Celsius is placed in 40 grams of water at 100 degrees Celsius. After equilibrium is reached, the object is removed from the hot water and placed in 200 grams of water at 0 degrees Celsius. What is the...
March 2, 2011 by A

Physics
How many excess electrons does an object with a total charge of -1.0 x 10exp-9C have on it? This is approximately the amount of charge involved in commonly encountered static electricity.
May 10, 2010 by Nina

chemistry!!! /10th grade
How many molecules of hydrogen are produced if 13.05 g of Zn reacts with excess hydrochloric acid equation Zn plus HCL equals ZnCl2 plus H2?
May 31, 2010 by meme

Chemistry
Please help solve; 2Al +3Cl2 --> 2AlCl3 You are give 31.0g Al and 36.0g of Cl2. If you had excess chlorine, how many moles of of aluminum chloride could be produced from 31.0 g of aluminum?
September 28, 2010 by Jeremy

english
recommending the purchase of excess equipment to use up your allocated funds before the end of the fiscal year so that your budget won't be cut next year.
February 13, 2011 by minnie

physics
A 0.10 g plastic bead is charged by the addition of 1.0 x 1010 excess electrons. What electric field (strength and direction) will cause the bead to hang suspended in the air?
July 21, 2011 by Jessika

10th grade chemistry
If an excess of nitrogen gas reacts with 25.0 L of hydrogen gas, according to the reaction below, how many L of ammonia will be produced? N2(g) + 3H2(g) ---> 2NH3(g)
May 29, 2012 by skyler

general chemistry
A 1.24g sample of a hydrocarbon, when completely burned in excess of O2(g), yields 4.04g CO2 and 1.24g H20. Determine the empirical formula.
February 6, 2013 by StressedStudent

physical sciences
to find out whether the amount of heat(gas)produced will depend on an increase on the concetration of HCL when HCL reacts with an excess Zn
June 4, 2013 by esmah

physical sciences
to find out whether the amount of heat(gas) produced will depend on an increase on the concetration of HCL when HCL reacts with an excess Zn
June 4, 2013 by esmah

Chemistry
The reaction between 32.0g of CH4 and excess oxygen gas produces 75.9 of CO2 gas and some water. Determine the percent yield? Plss help :((
March 12, 2014 by juju

personal finance
PSI, a financial services consultant, estimates that over _____ million U.S. households have a net worth in excess of $1 million. A. 4 B. 5 C. 10 D. 20 D ?
April 3, 2015 by Ciara

chemistry
7.20 moles of C3H8 are burned in a room with excess oxygen gas. How many moles of carbon dioxide are released into the atmosphere during this process ?
January 25, 2016 by Boberto

physics
A capacitor has a capacitance of 7.28uF. What amount of excess charge must be placed on each of its plates to make the potential difference between the plates equal to 25.0V?
January 26, 2016 by van

chem
The heat of combustion of methane is 213 kcal/mol. How many kcal of energy are released when 22.5 moles of CH4 burns in an excess of oxygen gas?
March 11, 2016 by banana

Chemistry
Ok so reviewing my notes I also got 11,326.6 as the volume in ml. The density of water he wanted us to use was (0.9975) and I went from 1 gal of H2O = 3.785 liters = 3785 grams then multiplied by 3 giving me 11,355g H2O. The only other step I could come up with was using the ...
September 25, 2012 by Holly

Chemistry PLEASE HELP!!
Questions: 1. In each test tube, a precipitate formed upon DROPWISE addition of the second reagent (steps 5 and 6). What are these precipitates? (a) First test tube with HgCl : (b) Second test tube with SnCl : 2. In each test tube, which reagent was limiting and which was...
April 8, 2012 by Maranda

chemistry
determine the amount of solute needed to make 100ml aqueous solution of NaCl and MgCl2 that will cause a 10 degree change in freezing point. Determine the amounts of solute needed to make 100ml aqueous of AlCl3 and ethanol that will cause a 10 degree change in boiling point.
February 8, 2011 by shaknocka lewis

Chemistry
a) A current of 1.50 Amperes passes through a solution of AgNO3 for 3.0 hours. What mass, in grams, of silver collects on the cathode? (molar mass of silver = 107.9 g/mol) b) How many seconds would it take to collect 100 g of silver to collect on the cathode if 1.50 Amperes ...
March 5, 2015 by Morgan

socials
paragraph question With the declaration of the war, the Canadian government immediately became much more involved in the planning and and control of the economy. In April 1940, the government established the Department of Munitions and Supplies, and King appointed C.D Howe as ...
November 11, 2011 by Mohammad

socials
paragraph question With the declaration of the war, the Canadian government immediately became much more involved in the planning and and control of the economy. In April 1940, the government established the Department of Munitions and Supplies, and King appointed C.D Howe as ...
November 12, 2011 by Mohammad

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

AP Chem
Consider the reaction 2 Al2O3(s) -> 4 Al(s) + 3 O2(g) . H = +3339.6 kJ/mol What is the change in heat when 0.455 L of a 3.60 M Al solution reacts with excess O2 ? 1. -685 kJ 2. -21,962 kJ 3. -1368 kJ 4. -2738 kJ 5. -5477 kJ 6. -26,521 kJ 7. -424 kJ 8. -1695 kJ
November 7, 2010 by Beth

Chemistry
draw the alkyne formed when 3,4-dichloroheptane is treated with an excess of a strong base such as sodium amide. I got CH3CH3C(triple bond)CCH2CH3 but was told it was the wrong answer
November 9, 2011 by Jay

chemistry
Consider the following reaction: 2Na3PO4(aq)+3CuCl2(aq) = Cu3(PO4)2(s)+ 6NaCl(aq) If 75mL of .175 M Na3PO4 combined with 95mL of .102M CuCl2, determine the concentration of the excess reagent.
June 11, 2012 by Anonymous

chemistry
Calculate the theoretical yield (g) of precipitate formed when 10.0 mL of 0.50 M magnesium nitrate is added to 5.0 mL of 0.50 M potassium phosphate? [You must first write the balanced chemical equation.] Which reactant is present in excess?
February 26, 2013 by Joe

AP Chemistry
Consider the reaction 2 Al2O3(s) ! 4 Al(s) + 3 O2(g) . H = +3339.6 kJ/mol What is the change in heat when 0.455 L of a 3.60 M Al solution reacts with excess O2 ? 1. -424 kJ 2. -2735 kJ 3. -1695 kJ 4. -1368 kJ 5. -26,521 kJ 6. -21,962 kJ 7. -685 kJ 8. -5477 kJ
September 29, 2013 by Anonymous

chemistry
Calculate the change in free energy when you drop 4.70 g of calcium metal into a beaker containing excess water so that Ca(OH)2(s) and H2 gas are formed? The delta-G values you need are in your textbook. The units are kJ.
February 7, 2015 by danny

chem
Write a net ionic equation for the reaction that occurs when excess nitric acid (aq) and potassium sulfite (aq) are combined. Note: Sulfites follow the same solubility trends as sulfates.
October 27, 2015 by jim

chemistry
I have a 0.25 m aquaeous solution of HCL. It's density is 1.05 g/ml. WHat is the % by mass (m/m) of this solution? What is the molarity of the solution? define molality. m = # mols/kg solvent. We have 0.25 m so we must have 0.25 x 36.5 g/mol HCl = 9.125 g HCl/1000 g solvent. ...
March 20, 2007 by nancy

AP CHEMISTRY
A) At 800 K the equilibrium constant for I2(g) <=> 2 I(g) is Kc = 3.1 10-5. If an equilibrium mixture in a 10.0-L vessel contains 3.44*10-2 g of I(g), how many grams of I2 are in the mixture? answer is .060g B)For 2 SO2(g) + O2(g)<=> 2 SO3(g), Kp = 3.0*104 at 700 K...
February 16, 2012 by HELP PLEASE

Quantitative Chemical Analysis
Hg has an AW of 200.59 g/mol and HgS has a MW of 232.66 g/mol. Compute the gram of Hg needed to prepare 20 g of standard containing 1% Hg(wt/wt) Then compute the gram of HgS needed to prepare 20 g of standard containing this same 1% (wt/wt).
September 4, 2012 by Kyuu

Calculus
A spherical oil tank with a radius of 10 feet is half full of oil that weighs 60 pounds per cubic foot. Its top is 6 feet underground. How much work is needed to pump the oil out of the tank through a hole in its top? How do I solve this? Does the fact that it its top is 6 ...
December 14, 2013 by Ethan

chemistry
If my original sample contained 7.1 grams of potassium chlorate. How many moles of oxygen gas would I expect to have evolved? Hint: Convert grams to moles of potassium chlorate, then use the mole ratio in the balanced equation. Balance this equation KClO3 → KCl + O2(g) I...
April 1, 2014 by bekah

Physics
If the puck strikes the goalie's pads and stops in a distance of 4.14 cm, what average force is exerted on the pads? Answer in units of N. This is part three of three parts. 1st Part: A player strikes a hockey puck giving it a velocity of 39.486 m/s. The puck slides across the...
November 25, 2012 by Alexandra

Physics/Calculus
A spherical oil tank with a radius of 10 feet is half full of oil that weighs 60 pounds per cubic foot. Its top is 6 feet underground. How much work is needed to pump the oil out of the tank through a hole in its top? How do I solve this? Does the fact that it its top is 6 ...
December 15, 2013 by Ehtan

Math
If q is the number of quarts of lemonade, then 1/4 q can be used to find the number of cups of lemonade mix needed to make the lemonade. How much mix is needed to make 2 quarts of lemonade?
August 29, 2011 by Melea

social studies 8th
1. Which is an example of checks and balances? (1 point) The constitution contains a bill of rights that details the basic rights of the states citizens. The constitution clearly outlines voting requirements and the qualifications for holding public office. The legislative ...
March 11, 2015 by XenaGonzalez

Chemistry
I'm stuck...that is i believe I've come to an impossible answer: I need to calculate the equilibrium constant 4Fe(s) + 3O2(g) --> 2Fe2O3(s) First off: Delta G G Fe(s) = 0, G O2(g) = 0, G Fe2O3(s) = -741 (x2) -741 (2) - 0 = -1480 = delta G of reaction at equilibrium: 0 = (...
April 29, 2010 by Rico

Chemistry
I'm stuck...that is i believe I've come to an impossible answer: I need to calculate the equilibrium constant 4Fe(s) + 3O2(g) --> 2Fe2O3(s) First off: Delta G G Fe(s) = 0, G O2(g) = 0, G Fe2O3(s) = -741 (x2) -741 (2) - 0 = -1480 = delta G of reaction at equilibrium: 0 = (...
April 29, 2010 by Rico

College Chemistry
Plaster of Paris is the compound calcium sulfate hemihydrate, CaSO4*1/2H2O What mass of water is liberated when a 2.763 gram sample is heated to constant mass? The sample is 2.763 grams How much of the 2.763 gram sample is water? I need an amount in grams. Amount of anhyrdate...
October 8, 2011 by Roy

Math - probability
A lab is developing a new medication for headaches. To do so,they must choose from 10 active ingredients, 5 preservatives and 2 presentations (capsules or tablets). A tablet or a capsule must have at least one active ingredient and one preservative. a)How many different ...
September 25, 2006 by Lindz

chemistry
If 2.00L of nitrogen and 5.00L of hydrogen were allowed to react, how many liters of NH3 (g) could form? The condition of the gas collected were 745 mmHg and 22C.
April 12, 2010 by Amanda

chemistry
c2h4(g) + 3O2(g) -> 2 CO2 (g) + 2 H2O (g) What volume of oxygen will react with 18 ml of ehtylene, c2h4, assuming that the gases are present at the same temperature and pressure?
April 19, 2010 by Monica

chemistry
Help!! Can someone please show me how to set up this problem. I'm lost. C3H8+5O2-->3CO2+4H20 If 19.2g of C3H8 and 19.2g O2 react, how many moles of CO2 can be produced?
November 5, 2010 by josh

Chemisty
When the gases dihydrogen sulfi and oxygen react, they form the gases sulfu dioxid and water vapor. How od you write a balanced equation for the reaction?
March 29, 2011 by Debbie

physics
the car travels at 20m/s when the driver sees a child. It takes 0.8s to react, then steps on the brakes and slows at 7.0m/s^2. How far does the car go before it stops?
September 22, 2011 by meghan

Chemistry
You dissolve 0.213 g of acid in 25.0 mL of water. To react the acidic solution to the endpoint you add 23.80 mL of 0.1024 M NaOH. Determine the molar mass of the acid.
October 28, 2011 by Andres

Chemistry
You dissolve 0.213 g of acid in 25.0 mL of water. To react the acidic solution to the endpoint you add 23.80 mL of 0.1024 M NaOH. Determine the molar mass of the acid.
October 28, 2011 by Andres

Chemistry
You dissolve 0.213 g of acid in 25.0 mL of water. To react the acidic solution to the endpoint you add 23.80 mL of 0.1024 M NaOH. Determine the molar mass of the acid.
October 28, 2011 by Andres

chemistry
If the 12.5ml of NaOH solution is required to react completely with 0.300g of KHP (Potassium Hydrogen Phthalate, 204.2g/mol). What is the molarity of NaOH?
December 11, 2012 by paul

Chemistry
When 6.25grams of pure iron are allowed to react with oxygen, a black oxide forms. If the products weighs 8.15g, what is empirical formula of the oxide?
October 22, 2014 by Gina

English
in the finish of patsy barnes how does patsy react to his mothers treatment by the city doctor A) gratitude B)anger C)amezment D) puzzlement I NEED HELP IM CONFUSED
October 7, 2015 by Gigi

Chemistry
A sample of the compound prepared in this experiment, weighing .1021g, is dissolved in HNO3 and diluted to a volume of 100mL. A 10mL aliquot of that solution is mixed with 10mL 6 M NH3. The [Cu(NH3)4 2+] in the resulting solution is 5.16x10^-3 M. How many moles of Cu were in ...
October 23, 2012 by annie

chemistry
Water can be decomposed to hydrogen and oxygen. How many grams of water must decompose to yield 24.0L og gases at 1.00atm and 25 degrees C? I used n=PV/RT to find 0.981 moles of gases. I then took the ratio of O2 to H2 to find the moles of oxygen compared to hydrogen. 0.327 ...
December 8, 2011 by TJ

economics
If the reserve requirement is 20% and a bank doesn't have excess reserves, why would a $100 deposit lead to a greater than $100 increase in the money supply? Interest?
May 6, 2007 by Carter

physics_Heat
standing upright, a giraffe's head is around 1.5m above its heart. what excess pressure does this imply for cerebral blood compared to that just leaving the heart?
March 28, 2009 by lisa

Chemistry
What is the percent yield if 4.65g of copper is produced when 1.87g of aluminum reacts with an excess of copper(II) sulfate? 2Al(s)+3CuSO4(aq)==>Al2(SO4)3(aq)+3Cu(s)
March 27, 2010 by Keith

chemistry
a 47.7L sample of a gaseous hydrocarbon, measured at 1.00atm and 25degreesC is burned in excess oxygen, liberating 4.33X10^3 kJ of heat at a constant pressure. what is the identity of the hydrocarbon?
June 21, 2010 by Ellie

chemistry
Consider the following reaction. CH4(g) + 2 O2(g) CO2(g) + 2 H2O(l) H = -891 kJ Calculate the enthalpy change for each of the following cases. (a) 5.00 g methane is burned in excess oxygen.
October 31, 2010 by Anonymous

Chemistry
What mass of 3.0 wt% H2O2 solution is required to provide a 25% excess of reagent for the following reaction with 12 dietary iron tablets that contain ~15 mg of iron per tablet?
January 27, 2011 by Courtney

Chemistry
How many moles of aluminum oxide can be produced from 12.8 moles of oxygen gas (O2) reacting with excess aluminun (Al)? useing this equation: ---- I dont get how to do these? 4Al(s) + 3O2--> 2Al2O3(s)
April 14, 2011 by Jane

english
is it ethical to recommend the purchase od excess equipment to use up your allocated funds before the end of the fiscal year so that your budget won't be cut next year
May 13, 2011 by Anonymous

chemistry!!
Compute the amount of heat released (absolute value) when 1.1 kg of liquid ethanol is burned in excess oxygen to make carbon dioxide and liquid water
December 2, 2011 by Randolph

Thermochemistry
Compute the amount of heat released (absolute value) when 2.3 kg of liquid ethanol is burned in excess oxygen to make carbon dioxide and liquid water.
December 3, 2011 by LaurenB

chemistry
The combustion of propane is given by the following reaction: C3H8 (g) + 5 O2 (g) ---> 3 CO2 (g) + 4 H2O (g) If 5.00 L of propane are burned in in the presence of excess O2, how many liters of carbon dioxide will be formed?
April 29, 2012 by zarmeen

chemistry
Calculate the volume of gas you would expect to be evoleved if X mol of magnesium were reacted with an excess of HCl at standard conditions. Would the answer be X, 22.4X, or 22400X?
November 24, 2012 by Stephanie

chemistry
1. The combustion of acetylene is: 2 C2H2 + 5 O2  4 CO2 + 2 H2O ΔHo = -2511 kJ 11a. (5 pts) How much heat is produced if 85 g C2H2 is combusted with excess O2?
November 18, 2014 by josh

Chemistry
Determine the pH of a solution of 12.00 mL of 0.2 M acetic acid with 10 mL of a 0.025M NaOH? (Ka = 1.8E5) I've calculated my excess moles of acetic to be .00215. Total volume being .022L. Where do I go from here? Thanks!
April 21, 2015 by Jessica

Chem
Using the same unbalanced chemical reaction, what is the theorectical yeild of CO2 if 16.0g of methane reacts with excess oxygen: CH4(g)+ O2 (g)→ CO2 (g)+ H2O(g)
November 25, 2015 by Debra

Chemistry
Calculate the heat released when 1.00L of Cl2 (g) with a density of 1.88g/L reacts with an excess of sodium metal at 25 degrees C and 1 atm to form sodium chloride.
November 30, 2015 by Emily

chemistry
Given the equation below, if 3.871023 particles of Sb2S3(s) are reacted with excess Fe(s), what mass of FeS(s) is produced? Sb2S3(s) + 3Fe(s)→2Sb(s) +3FeS(s)
March 9, 2016 by bliss

chemistry
Given the equation below, if 3.871023 particles of Sb2S3(s) are reacted with excess Fe(s), what mass of FeS(s) is produced? Sb2S3(s) + 3Fe(s)→2Sb(s) +3FeS(s)
March 9, 2016 by bliss

Chemistry
In electrochemistry, why is my experimental voltage value of my cell lower than the standard electrode potential? I used zinc and copper as the electrodes and connected zinc sulphate and copper(II) sulphate using a salt bridge. I got 0.85V instead of 1.10V. I've read that ...
June 22, 2007 by Siobhan

Chemistry
Please explain the answer. 1. Which statement about this reaction is correct? 2Fe(s)+3CO2(g)--->Fe2O3(s)+3CO(g) delta H = 26.6 kJ A. 26.6 kJ of energy are released for every mole of Fe reacted B. 26.6 kJ of energy are absorbed for every mole of Fe reacted C. 53.2 kJ of ...
November 11, 2013 by Anonymous

CHEMISTRY
Please explain the answer. Which statement about this reaction is correct? 2Fe(s)+3CO2(g)--->Fe2O3(s)+3CO(g) delta H = 26.6 kJ A. 26.6 kJ of energy are released for every mole of Fe reacted B. 26.6 kJ of energy are absorbed for every mole of Fe reacted C. 53.2 kJ of energy ...
November 11, 2013 by Anonymous

Organic Chemistry
1a. When sodium benzyloxide is reacted with excess acetic anhydride it produces benzyl acetate and byproducts. What are those byproducts? If extracting with dichloromethane, what could be added to the aqueous layer to sequester the byproducts? Which layer would be on top, the ...
August 6, 2012 by Tasneem

Biology
The name of each job is writte in CAPS. Match each wanted ad to the cell organelle that should be getting that job. Write the name of the job, followed by the name of the organelle Are you permeable? Are you all about homeostasis? GUARD needed to regulate transport of water, ...
October 26, 2015 by Geo

Chem
copper sulfate reacts with sodium hydroxide producing copper hydroxide and sodium sulfate.. If sodium hydroxide is the limiting agent how many grams of copper hydroxide should precipitate out?{There are 634.44 g of copper sulfate and 240 grams of sodium hydroxide.
October 3, 2015 by Steve

prejudice
Describe other measurements sociologists use to calculate prejudice. Here are some sites which may give you some ideas. http://www.ajph.org/cgi/content/full/93/2/262 http://jca.sagepub.com/cgi/content/abstract/10/3/343 http://72.14.209.104/search?q=cache:cxtWKq1uijkJ:www.wjh....
February 21, 2007 by tiffany

math
Alex must wrap two boxes. Both boxes are right rectangular prisms. The smaller box has a length of 12 inches. The larger box is similar to the first and has a length of 48 inches. Find the ratio of the amount of paper needed to wrap the large box to the amount of paper needed ...
May 2, 2010 by Hannah

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