Sunday
January 22, 2017

Search: 14 carat gold has a purity of 58.3%. How many moles of gold are in 154 grams of 14 carat gold? Answer in

Number of results: 70,040

chemistry
if 20g of magnesium react with excess hcl how many grams og mgcl2 will be produced
February 25, 2010 by sean

college
how to figure out how many grams of magnesium are required to produce 2.154grams of product?
February 28, 2010 by Donna

chemistry
how much heat will be released if 30 grams of octane is burned in excess oxygen?
February 28, 2010 by lisa

chemistry
grams of sodium chloride dissolved in 100mL of water at 20 degrees celcius
March 16, 2010 by ace2

chemistry
If you start with 1.00 g NaCl and an excess of the other reactants, how many grams of Cl2 will be produced?
April 14, 2010 by brooke

science
suppose 35 grams of waterare cooled from 15 c to 10 c how much heat is given off?
April 15, 2010 by Roselyn

adult education
How many grams of KOH would be necessary to make 200 mL of a 0.15 M solution?
April 23, 2010 by debbie

chemistry
you have 2.0 grams of water at 0 degrees Celcius. how many kilojules of heat will freez it?
April 30, 2010 by Anonymous

chemistry
what is the number of calories of heat energy released when 25 grams of water is cooled from 20 C to 10 C?
March 2, 2011 by Anonymous

chem
how much pressure does 35 grams of carbon dioxide at 400 kelvin exert?
May 9, 2010 by pat

chemistry
6) How many grams of copper (II) fluoride, CuF2, are needed to make 6.7 liters of a 1.2 M solution?
May 11, 2010 by jeff

Chemistry
How many grams of lithium nitrate, LiNO3, are required to prepare 3.00 × 102 mL of 2.00 × 10–1 M solution?
May 12, 2010 by Chris

chemistry
1. How many joules of energy must be absorbed to raise the temperature of 20 grams of water from 25°C to 30°C?
May 21, 2010 by ana

chemistry
what is the molarity of 20 grams of HCI mixed with water to make 1 liter of solution
June 7, 2010 by jhjmjj

chemistry
how many grams of NaOH are contained in 250 mL of a 400 M sodium hydroxide solution
July 14, 2010 by kelly

Chemistry
What mass of chloral hydrate (C2H3Cl3O2) would contain 1.0 grams of chlorine?
August 16, 2010 by Anonymous

chemistry
How many grams of na3po4 will be needed to produce 425ml of a solution that has a concentration of na+ ions of 1.30 M?
September 11, 2010 by James

Chemistry
If 100.0 J are added to 20.0 grams of water at 30.0 degrees Celsius. What will be the final temperature?
September 27, 2010 by Kris

Chemistry
If 100.0 J are added to 20.0 grams of water at 30.0 degrees Celsius. What will be the final temperature?
September 27, 2010 by Kris

chemistry
Calculate the mass of KI in grams required to prepare 7.00 multiplied by 102 mL of a 2.60 M solution
October 12, 2010 by Anonymous

Chemistry
How many grams of KCl would be formed in the reaction of 3.000 g of K2CO3 and HCl?
October 17, 2010 by Amber

Chemistry
Calculate the number of molecules in 3.1466x10^1 grams of sulfur dioxide, SO2
October 22, 2010 by HELP

Chemistry
Calculate the number of molecules in 3.1466x10^1 grams of sulfur dioxide, SO2
October 22, 2010 by HELP

chemistry
How many grams of calcium nitrate, Ca(NO3)2, are needed to make 100 mL of a .5 M solution?
October 24, 2010 by Anonymous

chemistry
How many grams of potassium fluoride are needed to make 250 mL of a 0.31 M solution in water?
March 29, 2011 by Anonymous

chemistry
How many grams of potassium fluoride are needed to make 250 mL of a 0.31 M solution in water?
March 29, 2011 by Anonymous

chem
how many milliliters of .242 m of NaOH are required to exactly titrate 18.0 grams of H2C2O4
October 27, 2010 by Anonymous

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
How many grams of H2(g)can theoretically be produced from a 5-g sample of magnesium metal and excess HC1(aq)?
November 11, 2010 by Brit

chemistry
how do I calculate what temperature is needed to heat 52 grams of ethane to occupy 1200ml?
November 17, 2010 by david

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

chemisty
how many grams of Na are needed to react with H2O to liberate 400mL of H2 gas at STP?
December 8, 2010 by justin

10th grade
How many grams of water vapor (H2O) are in a 10.2 liter sample at 0.98 atmospheres and 26°C?
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 much lithium hydroxide will be needed to remove 75.0 grams of carbon dioxide?
January 21, 2011 by tim

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
calculate the volume of amonia that is produced at stp when 10.5 grams of N2 reacted with excess H2.
February 12, 2011 by fatima

chemistry
calculate the volume of amonia that is produced at stp when 10.5 grams of N2 reacted with excess H2.
February 12, 2011 by fatima

Chemistry
How many grams of potassium carbonate are needed to make 0.200 L of a 2.50M solution?
February 13, 2011 by Hannah

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 potassium dichromate are needed to make 250 mL of a 0.75 molar solution?
March 3, 2011 by Bobbi

Chemistry
how many grams of potassium dichromate are needed to make 250 mL of a 0.75 molar solution?
March 3, 2011 by Bobbi

Chemistry
How many grams of CH3COOH are present in 2.5^3 of vinegar. Also, what is the formula needed to solve? Thanks!
March 5, 2011 by Steven

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

chemistry
how many molecules of water in order to produce 37 grams of oxgen? give me the Formula
March 10, 2011 by Russel

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

chemistry
what mass in grams of sodium nitrate is needed to make 85.o ml of a 0.2500 m solution
March 15, 2011 by andrew b

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

Chemistry
how many grams of solid KOH is needed to neutralize 1.00 L of 0.250 M HNO3 solution?
April 18, 2011 by Helena

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

10th grade chemistry
How many grams of CuSO4.5H2O are needed to prepare 100. mL of a 0.to M
April 26, 2011 by Angelica Martinez

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 much heat is needed to bring 90.0 grams of aluminum from 25 to 75 degrees celcius?
June 16, 2011 by debbie

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

cerritos
how many grams of sodium choloride is needed to prepare 600ml of 9% saline solution?
September 18, 2011 by maribel

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 potassium permangate are needed to decolorized 1g of 2-pentene in basic solution
October 4, 2011 by john

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

science
How many grams of copper sulfate is needed to make 1125L of 25 ppm solution
January 2, 2012 by tracey

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
if we combust 4.23 x 10^24 molecules of propane how many grams of carbon dioxide and water you will produce ?
February 7, 2012 by Summer

Chemistry
If water is synthesized how much hydrogen would be needed to make 10.0 grams?
February 10, 2012 by Cathy

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

Chemistry
How many grams of H2(g) can theoretically be produced from a 5-g sample of magnesium metal and excess HCl(aq)?
April 2, 2012 by Polly

chemistry
how many grams of NaOH would be needed to make 896mL of a 139 M solution
April 30, 2012 by Randy

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
How many calories will be needed to melt that 50 grams of snow (report as 1 significant figure)?
May 14, 2012 by bea

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

chem
How many grams of SO2 are needed to make 250 ml of 0.750 molar solution?
August 28, 2012 by Karen

  1. Pages:
  2. <<Prev
  3. 72
  4. 73
  5. 74
  6. 75
  7. 76
  8. 77
  9. 78
  10. 79
  11. 80
  12. 81
  13. 82
  14. 83
  15. 84
  16. 85
  17. 86
  18. Next>>