Tuesday
September 2, 2014

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: 17,902

Chemistry
How many grams of potassium chromate are in K2CrO4?
May 26, 2010 by Ashley

science
Convert 12.5 mol Cl2 to grams
July 11, 2010 by Anonymous

chemistry
Determine the mass in grams of 2.56*10^24 atoms in Li
October 6, 2010 by Aundrea

Chemistry
What is the mass, in grams, of each of the following? 44.3 mol Xe
October 14, 2010 by Lisa

chemistry
How many grams of Au2S can be obtained from 1.17 mol?
November 16, 2010 by kim k

Chemsistry
How many moles are there in 857 grams of sodium?
November 22, 2010 by Anonymous

Chemistry
How many moles are there in 569 grams of copper
November 22, 2010 by Anonymous

Chemistry
How many moles are there in 965 grams of boron
November 22, 2010 by Anonymous

chemistry
How many molecules are 100.00 grams of H2O?
November 29, 2010 by jeff

SCIENCE
WHAT IS THE WEIGHT OF THE HUMAN BRAIN IN GRAMS?
December 16, 2010 by ANTONIO

chemistry
how many grams of drug are in 75mL of a 4% solution/
January 15, 2011 by Anonymous

idk
How many moles of carbon tetrachloride are in 51.0 grams?
January 17, 2011 by idk

chemistry
how many moles are in 5 grams of no2 molecules?
January 25, 2011 by james

chemistry
convert 4.37 moles of NaOH to grams.
January 27, 2011 by Amanda

chemistry
How many grams of NaOH are there in 2.5L of a 0.343M solution?
February 9, 2011 by twynna

chemistry
How many grams of NaOH are there in 2.5L of a 0.343M solution?
February 13, 2011 by twynna

CHEMISTRY
Benzene equals 78.11 grams/mole
February 14, 2011 by dan

chemistry
how many grams of oxygen are in 560g of ribose?
February 15, 2011 by Noelle

chemistry
How many grams of NaOH are there in 2.5L of a 0.343 M solution?
February 20, 2011 by twynna

chemistry
How many grams of NaOH are there in 2.5L of a 0.343M solution?
March 12, 2011 by n/a

chemistry
How many oxygen atoms in 9 grams of sugar?
August 31, 2011 by sabaah

MATH
A JUMPROPE IS MEASURED BY GRAMS OR KILOGRAMS
March 30, 2011 by CHRIS

Science
how many atoms of carbon in 18 grams of C3H8o
March 28, 2011 by Sylvia

chemistry
3 molecule of water contains how many grams?
March 16, 2011 by aryan

chemistry
How many mol of Oxygen are in 45.9 grams of CO2?
March 19, 2011 by Anonymous

chemistry
How many grams of Na2CO3 are required to Na2S2O3
April 4, 2011 by Rickia

chemistry
How many grams of Na2CO3 are required to Na2S2O3
April 4, 2011 by Rickia

chemistry
How many grams of O2 are required to burn 13.0g of acetylene?
April 25, 2011 by Kelsey

chemistry
how many grams of aluminum are in 25.0 ml of a 14%(w/v) solution of Al2O3?
April 25, 2011 by unk

stoichimetry
how many liters of NH3 can be produced from 23.1 grams of H2 ?
April 26, 2011 by Anonymous

Chemistry
how many grams are in 12.5 moles of chlorine (gas)?
July 12, 2011 by Help

Math
how do you convert 1000 milligrams to grams ?
September 5, 2011 by Janae

chemistry
how many grams of O2 may be produced from 50g of KClO3?
September 13, 2011 by Karen

Grams
Can you give me an examples of a 5.6 gram object?
September 14, 2011 by HM

chem
how many molecules will be in 275 grams of c2h6
November 14, 2011 by mandy

chemistry
calculate 5.7 grams PbCl2= ions Cl-1
November 14, 2011 by nina

Chemistry
how much sodium is in 1.80 grams of Na3PO4
November 20, 2011 by Anonymous

chemistry
How many grams of NH3 can be made from 375g of N2?
December 5, 2011 by sara

Chemistry
How many moles are in 12.0 grams of Potassium Sulfide?
February 19, 2012 by Alison

Chemistry
How do you convert Ounces to Grams longhand?
March 22, 2012 by Lee

to ms.sue
each paper clip weighs 30 grams
May 10, 2012 by Celest

chemistry
if 14.7g of na reacts with 7.9g og br how many grams of nabr are found
September 3, 2012 by Anna

Science, Chemistry
What is the volume of 75.65 grams of zinc
September 6, 2012 by Hannah

biology
what is the mass in grams of 1.03 kg 1105g and 1075000mg
September 12, 2012 by angie

chemistry
How many grams of Kl are required to prepare 500 mL of 0.04 M Kl?
September 25, 2012 by Erin

math
How many grams of a drug are contained in 1L of a 30% solution?
September 28, 2012 by Anonymous

Chemistry
what is the mass in grams of 1.32 x 10^20 uranium atoms
October 16, 2012 by Kid

chemistry
1. How many grams of NaCl are present in 15 mL of a 2.0% solution?
October 19, 2012 by alexa

math
If the density of 1.77 grams of gold is 19.3 g/mL, what is the volume
November 7, 2012 by shana

chemistry
How many grams of solute are in 2.l L of 3.7Moles of Al(NO3)3
November 17, 2012 by Anonymous

chemistry
how to convert 2.80cm into grams?
January 20, 2013 by Anonymous

chemistry
How to convert centimeters into grams
March 2, 2013 by Anonymous

chemistry
how many grams of oxygen are in 175 g of C5H10O5
April 16, 2013 by anna

Chemistry
How many grams of Na2O are produced when 62.5g of Na reacts?
April 16, 2013 by Trena Fuller

chemistry
how many moles of nh3 are produced from 16 grams of n2 ?
May 21, 2013 by jojo

Math
Subtract 750 grams from 3 kilograms
May 29, 2013 by Jane

Chemistry
How many grams of NaCl are produced from 6 moles of Na?
June 18, 2013 by Halie

chemistry
If you have 13.0g of Na, how many grams of O2 are required for the reaction?
September 17, 2013 by deven

chemistry
Covert 22.3 grams of C6H12O6 to molecules
October 16, 2013 by Cindy

Chem
How many grams of MG in 1.5 g of chloride ions in MGCL2
February 7, 2014 by Belal

chemistry
How many grams are there in 2.5 moles of CuSO4.5H2O?
August 11, 2014 by Shane

chemistry
50cm/3 ofsulphur(iv) oxide were produced at stp when some quality of powdered sulpur were burnt in excess oxygen. (1) which equation is suitable.(2) what volume of oxygen was used up during the reaction.(3) which of the gas law is applicable. State the law.
February 17, 2012 by Promise

physics
An oil-drop, that has a mass of 3.5 10-15 kg and an excess of 7 electrons, is located between horizontal parallel plates. The plates are separated by a distance of 2.5 cm and have and potential diffeDetermine the magnitude and direction of the acceleration on the charged ...
August 14, 2013 by sam

Chemistry
Urea (NH2)2CO is dissolved in 100.0 g of water. The solution freezes at -0.085 degrees C. how many grams of urea were dissolved to make this solution. delta T = Kf*molality Plug in 0.085 for delta T, I assume you know Kf for water, calculate molality. Then molality x kg ...
February 11, 2008 by Lauren

chemistry
one method for favoring the formation of an ester is to add excess acetic acid. sugest another method,involving the right-hand side of the equation,that will favor the formation of the ester.
November 11, 2009 by priya

chemistry
one method for favoring the formation of an ester is to add excess acetic acid. sugest another method,involving the right-hand side of the equation,that will favor the formation of the ester.
November 11, 2009 by priya

Chemistry
If you heat a mixture of Zn and HCl,and heat them together until all liguid has evaporated because excess HCl will be given off. What substance is left in the dish after the liquid has evaporated.
April 12, 2010 by Edina

biology
What is needed when experimenting on humans
December 16, 2007 by mike

math help needed
if 2ax-5x=2, then what is x equivqlent to?
January 10, 2009 by Anonymous

Math
How many matchsticks are needed for a 6 6 design? A) 42 B) 72 C) 40 D) 84 C)40
July 12, 2011 by candy

Math
rename or simplify as needed 11 1/4 - 5 8/9
February 2, 2013 by JR

math
4 5/8 + 9 3/5 = rename or simplify as needed
February 2, 2013 by JR

maths-urgently needed
if p(x) = px^7 + qx^3 + rx - 5 where p , q , r are constants , if p(-7) = 7 then p(7) = ?
February 9, 2013 by Anonymous

maths-urgently needed
If a+b+c=0 then prove that a^4+b^4+c^4=2(a^2b^2+b^2c^2+c^2a^2)
February 17, 2013 by Anonymous

socials 11
why was totalitarian needed for ww2?
July 11, 2013 by alyssa

geometry
1. What is the lateral surface area of a square pyramid with side length 11.2 cm and slant height 20 cm? 224 cm2 448 cm2 896 cm2 2508.8 cm2 2. What is the lateral surface area of a cone with radius 19 cm and slant height 11 cm? 19 cm2 30 cm2 200 cm2 209 cm2 3. What is the ...
April 18, 2012 by lilman

Chemistry
suppose that you have a n unlimited supply of copper II chloride to react with iron. how manyt moles of copper would be produced by reacting 34.0g of iron with the copperII chloride solution?
December 10, 2008 by Lily

Chemistry
Water will react most completely as an acid with A. SO3^-2 B. H2BO3- C. C6H5O- D. CH3COO- Why isn't the answer A, since H2O + SO3^-2 <-> HSO3- + OH- so H2O and HSO3- are the conjugate acids.
May 4, 2010 by sh

chemistry 105
Consider the following reaction: Li2S(aq)+Co(NO3)2(aq)-->2LiNO3(aq)+CoS(s) What volume of 0.150 M Li2S solution is required to completely react with 125 mL of 0.150 M Co(NO3)2?
October 10, 2011 by julie

Chemistry (balancing eq)
I need to write a formula where PbNa reacts with water. 2PbNa + 2 H20 = 2 NaOh + H2 +Pb It says in the question that lead doesn't react with water, but Na does. Did I write the formula correctly?
October 1, 2013 by Kristine

chemistry pls help me asap
2.08g of metal Y react with 0.96g of oxygen to form a metal oxide.The empirical formula of the metal oxide is Y2O3.What is the relative atomic mass of metal Y.
May 15, 2014 by mandy

math
How many hours of jogging at 5 1/2mi/h would be needed for a 200 pound person to lose 5 pounds and it takes 3500 cal for one pound 740 cal/h for jogging 5 1/2 mi/h Please post your answer, and we'll be glad to critique it. 750x3500 740x3500=2590 No, not right. If it takes ...
March 16, 2007 by patti help

Chemistry
OMG, I did the other fifteen questions of my homework but I'm stuck on these. #1: Which has the higher average kinetic energy, a tub full of 50'C water, or a small cup of 52'C water. Why? Which has more total kinetic energy, the tub or the cup? Why? #2: Lithium, sodium, and ...
September 24, 2008 by W I C K E D

Ethics
1. Which of the following is a key Aristotelian idea that describes a midpoint between extremes of excess and deficiency? A. Eudaimonia B. The golden mean C. The middle path D. Care is it B 2. Which of the following is a virtue commonly emphasized in criminal justice ...
March 16, 2014 by Any

chem
AgNO3 + NaCl produces AgCl + NaNo3 how much AgCl is produced when 3.10g of AgNO3 and .600g of NaCl react?
December 8, 2010 by alex

Chemistry
If you react 2.0 g AgNO3 and 2.5 g Na2SO4, what is the percent yield if the actual yield is 1.6 g Ag2SO4? 2AgNO3 + Na2SO4 → Ag2SO4 + 2NaNO3
January 24, 2012 by Ana

Chemistry
If I react a phosphorus ylide with trans-cinnamaldehyde, what would the ratio of trans-trans to cis-trans isomer would I likely get?
March 30, 2012 by Sam

Chemistry(Please help)
The common laboratory solvent diethyl ether (ether) is often used to purify substances dissolved in it. The vapor pressure of diethyl ether , CH3CH2OCH2CH3, is 463.57 mm Hg at 25oC. In a laboratory experiment, students synthesized a new compound and found that when 27.18 grams...
February 19, 2012 by Hannah

math
Some people believe that calculators have eliminated the need to learn the skills required to perform mathematical operations by hand. State your position on this belief, and then support your position with real-life stories or examples I will be happy to critique your ...
March 4, 2007 by carmen

Chemistry
In fertilizer manufacturing the cimpounds below are mixed together to form a composite fertilizer. My question is: Is there a reaction between SOLID ammonium phosphate, potassium chloride, ammonium nitrate, and superphosphate? (or any combination? or will they react if all are...
March 8, 2012 by Namie

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

Chemistry
A 3.23 gram sample of a sodium bicarbonate mixture was reacted with excess acid. 48.52 mL of the evolved gas was collected of the water at .930 atm. and 23.0 degrees C. What is the percentage of sodium bicarbonate in the original mixture?
April 23, 2011 by Adele

accounting 2
Peason began 20xx with 30,000 $1 common shares issued and outstanding.paid in captial in excess of par was $25,000 and retained earnings were $175,000 net income for 20xx was $22,000.
May 20, 2013 by charlene

Chemistry
How many liters of Cl2 has at a pressure of .950 atm and a temperature of 298K will be collected from the reaction of 25 mL of a .100 M aqueous solution of KMnO4 and an excess of HCI? KMnO4+HCI->MnCl2+Cl2+H2)+KCl
July 20, 2013 by Sara

Physics
A metal sphere has a charge of -6 C. How many excess electrons are there on the sphere? 4x10^-13 10x10^13 4x10^13 10x10^-13 I'm stuck between A or D...
October 19, 2012 by I'm bad at physics

Chemistry
2MnO4-(aq) +5 H2O2 (aq) + 6H+(aq) -> 5 O2(g) + 2 (Mn2+(aq) = 8H2O (l) If a 25.00 ml sample of hydro peroxide required 25.25 ml of .353 M KMNo4 solution to react with all the hydrogen perozide what was the molarity of the hydrogen peroxide solution?
June 7, 2011 by Vinny

chem 121
Iron and oxide react to form iron(lll) oxide: 4Fe(s) + 3O2(g)+ 2FeO2(s) Determine the limiting reactant in each of the following mixtures of reactants: 2.0 moles of Fe and 6.0 moles of O2
November 18, 2011 by claire

Chemistry
I could use some help please. Ammmonia, NH3, can be made by reacting Nitrogen with Hydrogen. N2+3H2=2NH3 How many moles of NH3 can be made if 7.5 moles of H2 react eith enough N2? Thank-you in advance for any help
March 18, 2013 by Sara

engineering
In the process of electrolysis, electrical power is used to separate water into oxygen and hydrogen molecules via the reaction: H2O --> H2 + O2 This is very much like running a hydrogen fuel cell in reverse. We assume that only the activation potential for the hydrogen ...
December 19, 2013 by Timothy Boons

physics
In the process of electrolysis, electrical power is used to separate water into oxygen and hydrogen molecules via the reaction: H2O --> H2 + O2 This is very much like running a hydrogen fuel cell in reverse. We assume that only the activation potential for the hydrogen ...
December 20, 2013 by Arnold Smith

Pages: <<Prev | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | Next>>

Search
Members