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March 6, 2015

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: 19,300

Physics
How much heat is gained or lost when 200 grams of ice melts?
October 28, 2010 by John

Physics
How many calories of heat are gained to turn 10 grams of ice at 0 C into water at 0 C?
November 1, 2010 by Amanda

Chemistry
How many liters of CO2 would be produced if 32 grams of CH4 are combined with oxygen?
November 9, 2010 by Renee

Chemistry 110
How many grams of Au2S can be obtained from 1017 mol of Au? The answer is 249. How did they get that?
November 17, 2010 by Kim K

Chemistry
How much heat is given off by melting 155 grams of water?
November 18, 2010 by Sarah

physical science
An object has a length of 5.0 cm, a height of 3.0 cm and a width of 15.0 cm. It has a mass of 24 grams. What is its density?
November 23, 2010 by t.o

Med lab tech
how many grams of KCL are required to make 5.0ml of a 35% w/v solution?
November 27, 2010 by billie

chemistry
How many grams of methane gas were used to fill a baloon to a volume of 3.0 L at STP?
December 5, 2010 by Naples

9th grade
a object has a mass of 30 grams and a volume of10 cm^3. what is the density of the material?
December 8, 2010 by ceeceee

10th grade
How many grams of water vapor (H2O) are in a 10.2 liter sample at 0.98 atmospheres and 26C?
December 20, 2010 by jeremy

chemistry
what is the concentration of NaCl if 10 grams are dissolved in enough water to make 12 liters?
January 18, 2011 by jemmie

chemistry
How many grams of: 1.MgO 2.Cas would be produced if I had 3.8 moles of CaO
January 18, 2011 by Jovanni

Chemistry
how to figure The grams of protein in 1 cup of soup that has 98 {\rm Cal} with 6 {\rm g} of fat and 8 {\rm g} of carbohydrate
February 7, 2011 by Jen

Survey of the sciences
Show that one mole of sugar equals 342 grams.
February 9, 2011 by Stephanie

college chem
Calculate the Mole Fraction of benzene in toluene if there are 5 grams of each in the mixture
February 10, 2011 by shelby

chemistry
How many grams of Lead (II) Nitrate are required to make a 350mL solution of 2.5M Pb2+?-
February 20, 2011 by valentina

Chemistry
A brownie contains 1.30 102 mg of sodium. What is this mass equivalent to it in units of grams?
February 20, 2011 by Des

chemistry
calculate the number of grams atom and gram molecules in 25.4milligrams of iodine ?
February 24, 2011 by larisque

chemistry
How many grams of water should you add to 31.0g of sucrose,C12H22O11, to get a 0.855 m solution?
March 9, 2011 by kyle

Organic Chemistry
How many grams of 2-propanol are expected from the complete reaction of 111 g of propene?
March 15, 2011 by Samantha

Chem
What is the percent by mass of a solution if 45 grams of acetic acid is added to 90 g of H2O? Thanks.
March 20, 2011 by Jenny

chemistry
How many grams of water are present in 0.500 moles of calcium sulfate hemihydrate?
March 22, 2011 by Talisa

Chemistry
If 290 Liters of carbon dioxide forms, how many grams of nitroglycerine exploded?
April 14, 2011 by Syd

chemistry
How many liters of hydrogen will be produced by the decomposition of 59 grams of dihydrogen dioxide at STP?
April 19, 2011 by lawegfvsefwWA

chemistry
What is the pH of a solution made by adding grams of NH4Cl, to 550 mL of 0.205 M NaOH?
April 20, 2011 by Tom

Chem
How many grams of O2 are required to burn13.0g of acetylene? The answer I got is 40gO2 is this right.
April 25, 2011 by Kelsey

chemistry
how many grams of glucose C6H12O6 would you need to make 250 mL of 1.0 M solution?
April 28, 2011 by amber

chem
How many grams of ethylene glycol, HOCH2CH2OH, are present in 5.6 gallons of a 4.81 m solution with a density of 1.98 g/mL? g
May 2, 2011 by jan

Chemistry
How many grams of ethylene glycol, HOCH2CH2OH, are present in 5.3 gallons of a 5.22 m solution with a density of 1.83 g/mL?
May 9, 2011 by teena

Chemistry
If you used exactly 0.50 grams of salicylic acid, what was the theoretical yield of ester?
May 20, 2011 by Gerardo Reyes

Chemistry
If you used exactly 0.50 grams of salicylic acid, what was the theoretical yield of ester?
May 20, 2011 by Gerardo Reyes

chemistry
How many grams of water will be produced, if you used 60mL H2SO4 and 1.886 g CuO?
June 22, 2011 by Kim

chemistry
How many kilojoules of heat energy does it take to change the temperature of 50 grams of water from 20 C to 24 C?
July 14, 2011 by g

science
a sample of metal has a mass of 94.5 grams and a volume of 7 cubic centimeters. what is its density?
September 12, 2011 by zeke

chemistry
How many grams of Cu(OH)2 can be produced from the reaction of 0.500g Cu with 30.0 mL of 3.0M NaOH? Which reactant is the limiting reagent?
September 14, 2011 by angie

science
A sample of metal has a mass of 94.5 grams and a volume of 7 civic centimeters. What is its density?
September 18, 2011 by sarah

chemistry
Calculate the grams of substance required to prepare 250mL of 5%(wt/vol) NaNO3
September 22, 2011 by desperate for help

Chemistry
What volume will 12.0 grams fo neon gas occupy at 25 degress C. and a pressure of 0.520atm?
September 25, 2011 by Maryland

Chemistry
how to you calculate the partition coefficient of benzoic acid .13 grams in a 1.6 mL CH2Cl2 and 1.6 mL water?
September 26, 2011 by Paige

chemistry
What is the mass of 1.2 grams of oxygen if it occupies a volume of 500 cubic centimeters at s.t.p?
September 27, 2011 by Chris

chemistry
Give the mass in grams of diphosphorus pentoxide that contains 2.0 x 10^(24) oxygen atoms.
October 4, 2011 by miriam

Chemistry
how many grams of hydrogen make up 3.5 moles of glucose C6H6O6? a 1.7g b 3.5g c21.0g d 101.5g
November 5, 2011 by Anonymous

Chemistry
how many grams of solid iodine are produced by the decompostion of 2.1 g of hydrogen iodide gas?
November 12, 2011 by Taylor

CBSE
How much heat must be removed to change 75.0 grams of water at 25.0 C to ice at -35.0 C?
April 29, 2012 by tulasi

Chemistry
A sample of 50.0 mL if sulfuric acid that has a density of 1.84 g/mL would have a mass of how many grams?
February 6, 2012 by Mike

Chemistry
How much water, in grams, can be made from 3.59 10^24 hydrogen molecules? Answer in units of g
February 9, 2012 by Mary

chemistry
Calculate the grams of K2CO3 required to prepare 546.0 mL of a 0.789 g/L K+ solution.
February 15, 2012 by donald

chemistry
Calculate the concentration in ppm if 8 grams of CaCl2 is dissolved in 250 ml of water.
February 22, 2012 by Emmee

Chemistry
How many grams of carbon dioxide are produced in C3H8+5O2 -> 3CO2+4H2O
February 24, 2012 by Lily

Chemistry
If the percent yield was 81.5%, how many grams of aluminum were used to prepare 20.0 g of potassium alum?
February 29, 2012 by Cynthia

chem
calculate the mass in grams of oxygen atoms in 0.25 mol fluoroacetic acid
March 28, 2012 by lisa

Wastewater treatment
What is the molarity of 24.5 grams of sulfuric acid dissolved in a liter of water?
May 4, 2012 by George

Chemistry
Calculate the grams of solute required to make 2500mL of 90% saline solution?
May 17, 2012 by Morgan

chemistry
determine the amount in grams of H2SO4 required to make 3.0L of 1.15M Nacl
May 18, 2012 by ashia

Chemistry
I am stuck on this question: what mass of KCl in grams when 2.00 lbs KC10 3 is decomposed?
July 14, 2012 by kelly

Chemistry
What is the solubility of benzoic acid in room temperature water. Report this in grams/L.
September 4, 2012 by Cassie

PHYSICAL SCIENCE
An object has a length of 5.0 cm, a height of 3.0 cm and a width of 15.0 cm. It has a mass of 24 grams. What is its density
September 11, 2012 by DEOCRIOUs

Chemistry
Calculate the number of grams necessary of C6H12O6 to make 1.00 ml of 0.025 M glucose.
September 14, 2012 by Anonymous

science
An object has a mass of 10 grams and a volume of 5cm3 calculate the objects density
September 24, 2012 by santriese

Chemistry
A chemist requires 0.780 mol Na2CO3 for a reaction. How many grams does this correspond to?
October 1, 2012 by Tisha

chemistry
I want to make a 3% potassium sulphate solution. How many grams or mg I need per 100 ml
October 31, 2012 by Leo

chemistry
Calculate the mass in grams of 2.50 mol iron(II) hydroxide. A. 29.5 g Fe(OH)2 B. 184.5 g Fe(OH)2 C. 225 g Fe(OH)2 D. 3.38 x 10-2 g Fe(OH)2 C
November 11, 2012 by Cathy

chemistry
How many grams of solute are required to prepare 500ml of 0.5M urea solution,CO(NH2)2?
November 17, 2012 by miah

Chemistry
How many hours are required for the deposition of 15.0 grams of Al from molten AlCl3 by a current of 15.0 amps?
December 3, 2012 by Joe

science
Will a plastic block that has sides that measure 9 cm and its mass is 19.2 grams float on water?
January 17, 2013 by eric

chemistry
23 grams of NaOH is dissolved in 1.5L of water, find; a)Concentration of the solution b)pOH c)pH
January 20, 2013 by Patrick

chemistry
when 2.31 moles of sulfur hexafluoride are synthesized from te elements, how many grams of fluorine were used
February 4, 2013 by Anonymous

Science
If you are given a sample containg 1.204 x 10 24 molecules of NaCl, what is its weight in grams?
February 5, 2013 by DeAnna

chemistry
How many grams of rubidium chloride are present in 125.0 mL of a 1.75M RbCl solution?
February 7, 2013 by Chris

chemistry
How many grams of copper can be dissolved by 20.0 mL of a 69.6% (by mass) nitric acid solution that has a density of 1.41 g/mL?
February 8, 2013 by G.A

pharmacy math
How many grams of 2% silver nitrate ointment will deliver 1 g of the active ingredient
February 15, 2013 by cdr

math
Find the density of an object which has a mass of 360 grams and fills a volume of 36 mL.
February 19, 2013 by heather

Chemistry
Calculate the volume in liters of the gas (O2) at STP if it was massed at 6.75 x 105 grams.
February 24, 2013 by tif

chemistry
If you are given 718 grams of lead (iv) oxalate, how many atoms of oxygen do you have?
February 28, 2013 by Anthony

chemistry
1040 grams of chlorine gas at STP would have what volume?
February 28, 2013 by Anthony

science
A substance has a mass of 12.5 grams and a volume of 9.8 ml.Will the object sink or float in water?
March 1, 2013 by marshall

Chem
how many grams of KMnO4 should be weighed out to give 0.100 mole?
March 9, 2013 by Jessica

chemistry
how many grams of Na2SO4 can be produced by the reaction of 250g of NaOH with sufficient H2SO4?
March 18, 2013 by Marisela

chemistry
if the molar mass of BaCl2 is 208.3 g/mol, how many grams are present in 0.25 moles?
March 19, 2013 by sam

Chemistry
How many grams of C6H12O6 must be added to 0.750 kg of water to make a 1.25 m solution?
March 20, 2013 by Samantha

chemistry
what is the total heat lost if you have 8 grams of copper and the temperature changed from 43C to 36C
March 24, 2013 by grace

chemistry
If 15 grams of table salt is used how many moles of sodium sulfate are produced
May 14, 2013 by shelby

science
How many grams of glucose C6H12O6 would you need to make 250 mL of 1.0M solution?
May 29, 2013 by kevin

Chemistry
If you are making 230.0 mL of 2.70% (m/m) CuSO45 H2O, how many grams of the solute should you use?
September 11, 2013 by Jade

Chemistry
How many moles of CaCl2 are produced when this reaction is started with 4.70 grams of chlorine gas?
November 19, 2013 by Elizabeth

Chemistry
How much do 8.36 1022 molecules of water weigh? Answer in units of grams
November 25, 2013 by Nayyar

Math
Ethan is making 12 dozen cookies.The dough has a mass of 2.2kg.How many grams is that?
December 11, 2013 by Joshua Holt

Integrated Science
What is he final temperature after 80.0 calories is absorbed by 10.0 grams of water at 25.0 *C?
February 5, 2014 by Anonymous

chemistry
how much energy is released to the environment by 50.0 grams of condensing water vapor?
February 25, 2014 by khasan

chemistry
if you had 0.028 moles of copper sulfide, how many grams would you have?
March 20, 2014 by alexa

Chemistry
How many milliliters of 0.242 M NaOH are required to exactly titrate 18.0 grams of H2C2O4?
March 26, 2014 by Amanda

chemistry
How many grams of Li2O must be carried on board to remove 85.0kg of water?
March 31, 2014 by Anonymous

chemistry
PLS HELP ME AND THANK YOU:) What is the molarity if 2.18 grams of CO(NO3)2.6H2O dissolved in 50.00ml of solution?
April 6, 2014 by may

chemistry
How many calories will 45 grams of water release when it changes fom 85c to 30c?
April 17, 2014 by mark

chemistry
Upon heating 125g MgSO4 7 H2O: a) how many grams of water can be obtained?
May 13, 2014 by mario

college chem
125g MgSO4 7 H2O how many grams of anhydrous compound can be obtained
May 13, 2014 by mario

chem
1) how many molecules are present in 1.5 moles of NaCl? 2) how many atoms of chlorine are in 19.0 grams of MgCl2?
May 29, 2014 by lala

chemistry
If you mix 50 grams of NaHCO3 in 2.0 liters of water, calculate molarity & molality
June 4, 2014 by Noah

math
A 5 kg bag of apple costs R65. What is the cost of 500 grams of apples
July 28, 2014 by Katlego

algebra
1 cm to the third of aluminum weighs 2.7 grams if a sheet is 0.003 8 find the weight
September 27, 2014 by joyce

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