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April 21, 2014

Search: The solubility of hydrogen sulfide in water at 25 degrees Celsius is 0.0932 M at 1.00 atm. If the partial pressure of H2S at Yellowstone is 0.12 atm, calculate the molarity of H2S in the mud pots

Number of results: 6,461

chemistry
hydrogen sulfide may be prepared in the laboratory by the action of hydrochloric acid on iron (2) sulfide. How much iron (2) sulfide would be needed to prepare 15L of hydrogen sulfide?
Thursday, February 5, 2009 at 4:30pm by Anonymous

Chem
It depends on the reaction. Decomposition of compounds is one thing, but for instance, hydrogen reacting with iron sulfide produces hydrogen sulfide.
Tuesday, September 30, 2008 at 9:25pm by bobpursley

chemistry.
The concentration of hydrogen sulfide, H2S, in hot springs is relatively high. This accounts for the rotten-egg smell around the "mud pots" in Yellowstone National Park. The solubility of hydrogen sulfide in water at 25 degrees Celsius is 0.0932 M at 1.00 atm. If the partial ...
Tuesday, February 20, 2007 at 6:25pm by CRISTINA

Chemistry
Hydrogen sulfide, H2S is a foul smelling gas. It burns to form sulfur dioxide. 2H2S +3O2 ----> 2N2 +6H2O Delta H=-1036kJ Calculate the enthalpy change to burn 26.7 g of hydrogen sulfide.
Monday, October 29, 2007 at 11:45pm by Lauren

chemistry
I am a freshman in college, and am taking a placement test soon, but haven't seen chemistry since 10th grade. I'd appreciate any help I can get from anyone here to help me solve this problem: Hydrogen and sulfur chemically combine to form the gas hydrogen sulfide, according to...
Thursday, January 5, 2012 at 2:41am by John

Chemistry
What volume of hydrogen sulfide is required to produce 161 liters of sulfur dioxide according to the following reaction? (All gases are at the same temperature and pressure.) hydrogen sulfide (g) + oxygen (g)----> water (l) + sulfur dioxide (g)
Wednesday, April 25, 2012 at 11:00pm by Mohamed

AP Chem
a 4.22 gram sample of copper II sulfide was added to excess hydrocholoric acid with hydrogen sulfide gas being generated and collected over water. What volume of hydrogen sulfide gas would be collected at 32 degrees Celcius and 749 torr? The vapor pressure of water at 32 ...
Tuesday, December 11, 2007 at 9:13pm by Susan Shoemaker

Chemistry
Hydrogen sulfide burns in the presense of oxygen producing sulfiar dioxide and water I got HS + O2 >>> SO2 + H2O Its not balanced yet, but can you check if i wrote the equation right? Does the hydrogen sulfide need charges added to them?
Wednesday, February 4, 2009 at 12:27am by Chopsticks

Chemistry
Iron will fizz with an acid (e.g. hydrochloric acid) giving off hydrogen. Iron sulfide with acid will give a gas with the smell of rotten eggs, hydrogen sulfide.
Monday, February 9, 2009 at 10:54am by Dr Russ

Chemistry
What happens when hydrogen sulfide is heated through an iron sulfide solution?
Monday, November 28, 2011 at 9:12pm by Emem Thompson

Chemistry
copper(1) chloride reacts with hydrogen sulfide. if 9.90 grams of copper(1) chloride and 10.2 grams of hydrogen sulfide are reacted together, what is the limiting reactant?
Thursday, March 27, 2014 at 10:13pm by Anonymous

chemistry
what volume of hydrogen sulfide is produced by reaction of 0.5 mole of sodium sulfide with hydrochloric acid at a temp. of 20C and a pressure of 722 mm.
Thursday, April 12, 2012 at 11:10pm by Kimberly

chemistry
hydrochloric acid is added to 50 g of iron (III) sulfide. what weight of hydrogen sulfide is produced? FeS+2HNO3+Mg(NO3)2+H2
Tuesday, May 18, 2010 at 11:53pm by kayla

holy school
H2 S + HNO3 --------> NO + H2 O + S 150 g of hydrogen sulfide are dissolved in 3500 mL of water. a. What is the molarity of the hydrogen sulfide solution? b. How many grams of sulfur can be produced from 50 mL of this solution? c. 22.4 L of nitrogen monoxide gas are ...
Sunday, March 3, 2013 at 12:02am by mamta

Chemistry
The bad smell of water containing hydrogen sulfide can be removed by the action of chlorine. The reaction is H2S(aq) + Cl2(aq)-->2HCl(aq) + S(s) If the hydrogen sulfide content of contaminated water is 22 ppm by mass, calculate the amount of Cl2 (in grams) required to ...
Friday, March 11, 2011 at 7:12am by sokun

chemistry
hydrogen sulfide + sodium hydroxide to lithium hydroxide + sodium sulfide. what is wrong with the equation?
Tuesday, February 28, 2012 at 12:09pm by Anonymous

chemistry
Start with a word equation hydrochloric acid + iron sulfide -> iron chloride and hydrogen sulfide then convert this to formulae HCl + FeS -> FeCl2 + H2S then balance the equation which I will leave you to do.
Monday, November 29, 2010 at 7:24am by Dr Russ

chemistry
What mass of aluminum hydroxide will be produced when 0.460 grams of aluminum sulfide react with water? How many grams of hydrogen sulfide are produced, according to the following equaton? Al2S3 + H20 -------> Al(OH)3 + H2S
Thursday, January 19, 2012 at 4:20pm by john

Stoichiometry
How much iron (II) sulfide would be needed to prepare 15L of hydrogen sulfide? My balanced equation is 2HCl + FeS --> H2S + FeCl2. I have converted 15L H2S to mols, but I have no idea where to go from here.
Sunday, February 24, 2008 at 10:49pm by Jacob

chem
You can calculate the value. Ag2S ==> 2Ag^+ + S^-2 Ksp = (Ag^+)^2(S^-2) Plug in Ksp and 0.1 for sulfide and calculate solubility. Now do the same for Ksp and 0.1 for Ag^+ and calculate solubility. Which is smaller? (HNO3 you know isn't the one because HNO3 will dissolve all...
Tuesday, February 22, 2011 at 6:25pm by DrBob222

chemistry
what would be the name for Hsubscript 2 S? hydrogen sulfide gas? If it is in water solution, it has another name. what do you mean "if it is in a water solution it has another name"? You can't mix gas with water. You can change compounds from solid to liquid to gas, by heating...
Wednesday, June 6, 2007 at 7:07pm by Anonymous

CHemistry....Please help
lithium i got right is 4 but the sulfide it says when counting sulfide: keeping in mind that another unit cell will be present above this one, so 4 for sulfide is wrong
Saturday, January 24, 2009 at 3:54pm by Saira

chemistry
When will hydrogen bonding occur?Give an example of liquid other than H2O in which this type of force is important. In order for a hydrogen bond to occur there must be both a hydrogen donor and an acceptor present. The donor in a hydrogen bond is the atom to which the hydrogen...
Friday, October 5, 2012 at 9:49am by tracy

chemistry
In an experiment, 6.700g of hydrogen sulfide is fully decomposed into its elements.If 0.396g of hydrogen is obtained in this experiment, how many grams of sulfur must be obtained?
Saturday, July 27, 2013 at 11:06am by fatima

chemistry
two-thirds of the atoms that make up H2S are hydrogen. What percentage of the weight of hydrogen sulfide is the weight of the two hydrogens?
Thursday, September 30, 2010 at 12:01pm by Anonymous

Chemistry
Calculate the solubility of cadmium sulfide, CdS, in mol/L, given the Ksp value as 8.0 x 10^-27.
Monday, April 9, 2012 at 8:59pm by Anonymous

chemistry
what is the reagent responsible for the formation of hydrogen sulfide?
Wednesday, May 4, 2011 at 1:12am by jane

Chemistry
Find the molar solubility of silver sulfide Ag2S. Ksp is 6.0 x 10^-51. I get 1.1 x 106-17. Right?
Thursday, May 6, 2010 at 2:06pm by Jim

chemistry
chemical formula for potassium hydrogen sulfide? is it KHS?
Saturday, September 22, 2012 at 6:20pm by bob

chemistry
A mixture contained zinc sulfide, ZnS, and lead sulfide, PbS. A sample of the mixture weighing 6.12 g was reacted with an excess of hydrochloric acid. The reactions are given below. ZnS(s) + 2 HCl(aq) → ZnCl2(aq) + H2S(g) PbS(s) + 2 HCl(aq) → PbCl2(aq) + H2S(g) If ...
Sunday, October 24, 2010 at 8:39pm by caroline

chemistry
1. Hydrogen gas. It comes from the reaction between iron and HCl. 2. Hydrogen sulfide gas comes from the compound of FeS when HCl is added.
Tuesday, July 21, 2009 at 10:34am by DrBob222

CHEMISTRY
If you mean a hydrogen sulfide ion then I would go with an ionic bond
Friday, December 9, 2011 at 5:59pm by DrBob222

CHEMISTRY
HOW MANYMOLES OF SULFUR DIOXIDE CAN BE PRODUCED FROM 20.0G OF HYDROGEN SULFIDE?
Thursday, March 27, 2014 at 2:46pm by JEFF

high school chemistry
Are you sure you don't mean hydrogen sulfiDe (H2S) ? Hydrogen sulfiTe would be sulfurous acid (H2SO3), which can decompose directly into H2O and SO2. For the oxidation of H2S, 2 H2S + 3 O2 -> 2 SO2 + 2 H2O
Monday, May 24, 2010 at 3:10am by drwls

Chemistry
What is the molar solubility of silver sulfide, Ag2S? (Ksp for Ag2S is 6.0 x 10^51.)
Tuesday, May 4, 2010 at 7:49pm by Dan

ap chemistry
What is the density of hydrogen sulfide (H2S) at 0.9 atm and 295 K? Answer in units of g/L
Saturday, February 9, 2013 at 7:48pm by cheri

chemistry
I have found a balanced redox equation for removal of silver sulfide using sodium hydrogen carbonate in aluminium to say: 2Al + 3Ag2S + 6H2O --> 6Ag + 2Al2(OH)3 + 3H2S What happens to the Na and C component of the sodium hydrogen carbonate? And why is it not included on LHS...
Friday, November 26, 2010 at 9:06pm by bob

chemistry
sodium sulfide and cadmium nitrate undergo a double displacement reactions as shown by the following equation Na2S cd(NO3)2 -> 2NaNO3 CdS What is the mass, in milligrams,of cadmium sulfide that can be made from 5.00mg of sodium sulfide?
Wednesday, May 11, 2011 at 10:08pm by pat mcdole

Chemistry
How would you write skeleton equations for these reactions? I am very confused Hydrogen iodide(G)= Hyrdrogen(G)+Iodide(G) Aluminum(s)+iodines(s)= Aluminum iodide(S) Silver Nitrate (aq)+Sodium sulfide (aq)= silver sulfide(S)+ sodium nitrate (aq)
Saturday, January 31, 2009 at 4:09pm by Lauren

CHEM_
if 16.5 of iron (II) sulfide contain 6.02 x 10^23 formula units, how many formula units of iron (II) sulfide are in 1.00 mL of iron (II) sulfide? The density of iron (II) sulfide is 4.84 g/cm^3
Monday, March 22, 2010 at 12:21am by Sienna

chemistry
the molar solubility of PbS, in a 0.150 M ammonium sulfide (NH4)2S solution is? The Ksp for PbS= 3.2E-28.
Wednesday, December 15, 2010 at 3:34pm by Tara

chemistry
One of the standard tests for arsenic in water is to apply ferric sulfide, if arsenic is there in any form, a reaction between arsenic and the sulfide will yield a bright yellow arsenic sulfide compound. So you could do the opposite, try to react an arsenic compound (aresnate ...
Sunday, February 8, 2009 at 7:24am by bobpursley

Chemistry
when 20 ml of a .10 M silver nitrate solution is mixed with 25 ml of a 0.080 M solution of sodium sulfide, producing a precipitate of silver sulfide, what is the final concentration of sulfide ion?
Friday, December 7, 2012 at 8:58pm by Helga

Physical Science
The odor of rotten eggs is caused by hydrogen sulfide but that is a compound and not an element. Probably the word you want is sulfur.
Tuesday, June 24, 2008 at 12:17am by DrBob222

chemistry
What happens to the solubility of oxygen gas (O2) in water in each situation? a. The pressure of O2 over the solution is decreased. solubility decreases solubility remains the same solubility increases b. The temperature is decreased. solubility remains the same solubility ...
Tuesday, February 21, 2012 at 9:11pm by krystal

chemistry
1. Usually sulfur smells like rotten eggs, but not the element sulfur, because sulfur is usually associated with hydrogen sulfide, which smells like rotten eggs too. 2. Probably aluminum sulfide if I had no other guess....also because no picture. 3. Perhaps to scrape off the ...
Thursday, April 11, 2013 at 9:27pm by Knights

chemistry
Are you talking about the graph of the solubility of one material (ZnO) in another (AlCO3) or the solubility of each in water? We don't draw or provide graphs here. I suggest you Google the phrases "zinc oxide solubility" and "aluminum carbonate solubility"
Sunday, June 19, 2011 at 11:44pm by drwls

Chemistry
2h2s g 3o2 g 2so2 g 2h2o g H=-1036KG/MOL calculate enthalpy change in kj when 18.2 g of hydrogen sulfide are burned
Sunday, October 23, 2011 at 10:12pm by Tyler

Chemistry- Solubility Curves
I assume you have the solubility of KClO3 in water. solubility in 50 g H2O will the just 1/2 the solubility in 100 g H2O.
Wednesday, March 10, 2010 at 2:55pm by DrBob222

chemistry
how many liters of oxygen are required to react completely with 12.5 liters of hydrogen sulfide at stp?
Tuesday, May 8, 2012 at 11:40pm by Brigitte

Chem
carbonates often yield carbon dioxide. sulfites often yield sulfur dioxide (I smell this when I sanitize my wine ferments with sodium bisulphite) sulfides dont exactly decompose, but the compounds do, and it depends on the envirnment in which they decompose. Hydrogen sulfide ...
Tuesday, September 30, 2008 at 9:25pm by bobpursley

URGENT! chemistry- percentage yield
heating an ore of antimony sulfide in the presence of iron gives th element antimony and iron(2) sulfide. when 15.0 antimony sulfide reacts with an excess of iron, 9.84 g antimony is produced. what is the percent yield of this reaction?
Wednesday, March 16, 2011 at 3:10am by sheynah

Chemistry
double replacement. YOu always start with the balanced chem reaction: Al2S3 + 6AgNO3 >>3Ag2S+2Al(NO3)3 and the silver sulfide precipates out of solution. So for each mole of aluminum sulfide, you get three moles of silver sulfide, and two moles of aluminum nitrate. So ...
Monday, December 7, 2009 at 8:33pm by bobpursley

chemistry
An Excess of hydrogen sulfide reacts with 42 moles of oxygen. How many moles of each product is formed using the BCA Table?
Monday, April 21, 2008 at 10:54am by jessy

chemistry
Hi, The question is, using Henry's law constant calculate the amount of Hydrogen Sulphide gas which could dissolve in 500ml of pure water (H20) placed near an active volcano assuming equilibrium conditions and ignoring any reactions with water. The atmosphere surrounding the ...
Wednesday, April 14, 2010 at 9:25am by Will

Chemistry College
A 79.1 g mixture of the compounds calcium chloride and sodium sulfide is 80.9 % by mass sodium sulfide. The compound sodium sulfide is 58.9 % by mass sodium. Calculate the mass (g) of sulfur in the mixture. thanks.
Thursday, May 3, 2012 at 11:43pm by Lance

Chemistry
In the reaction 2H2S + 3O2 -> 2SO2 +2H2O, the oxidizing agent is 1.oxygen 2.water 3.sulfur dioxide 4.hydrogen sulfide oxygen?
Sunday, March 20, 2011 at 8:22pm by Alexis

chemistry
20cm3 of saturated aqueous solution of hydrogen carbonate (iv) at 25^oc requires 10cm3 of 2.0moldm-3 hydrochloric acid for complete reaction.what is the solubility of sodium hydrogen carbonate(iv) in moldm-3 at 25^oc
Thursday, March 7, 2013 at 1:45am by nanayeboahford

chemistry...
equation 2CoI3 + 3 K2S= Co2S3 + 6KI 2 moles of Cobalt (III) iodide + 3 moles of Potassium sulfide = cobalt (III) sulfide + 6moles of Potassium Iodide assuming all that can react will react, how many grams of cobalt (iii) sulfide will form when 1318.89 grams of cobalt (III) ...
Sunday, October 10, 2010 at 5:42pm by pete

Chemistry...verification
2 equation 2CoI3 + 3 K2S= Co2S3 + 6KI 2 moles of Cobalt (III) iodide + 3 moles of Potassium sulfide = cobalt (III) sulfide + 6moles of Potassium Iodide assuming all that can react will react, how many grams of cobalt (iii) sulfide will form when 1318.89 grams of cobalt (III) ...
Sunday, October 10, 2010 at 6:16pm by pete

Organic Chemistry
I am trying to figure out if I am correct about the solubility of 9-fluorenone in NaOH and diethyl ether and the solubility of benzoic acid in NaOH and diethyl ether 9-fluorenone is soluble in diethyl ether because it can hydrogen bond with water so it is soluble in the ...
Monday, February 18, 2013 at 10:55pm by Zach

Science
The products of the reaction between zinc and sulfuric acid are zinc sulfate, hydrogen sulfide, and water. Balance the equation using the electron-transfer method.
Tuesday, November 6, 2012 at 9:32pm by Zach

Chemistry- HELP
They look ok to me. The only question I would pose is for "solubility in what?" My presumption is that all of these questions that deal with solubility means solubility in water.
Wednesday, October 7, 2009 at 3:25pm by DrBob222

chemistry
the solubility of BaF2 is 6.29x10^-3M and the solubility of barium fluoride in 0.15M NaF is 4.4x10^-5M. Compare the solubility and explain?
Tuesday, March 22, 2011 at 5:01pm by roshan

more chemistry help and proofread
potassium sulfide i put KaS K is potassium and it is +1 while sulfide is -2; therefore, the formula is K2S. Tin (IV) chloride i put SnCl4 OK Dihydrogen sulfide i put H2SOK Calcium Oxide i put CaOOK Hydrobromic acid i put HBr OK Aluminum Fluoride i put AlF3 OK dinotrogen ...
Saturday, March 8, 2008 at 5:11pm by DrBob222

chemistry
Acids: A. Nitrous acid B. Manganic acid, but you need a subscript on the H C. Hydrocyanic acid D. Hydrogen sulfide Bases: A, B, C, D: (metal name) hydroxide
Thursday, December 13, 2007 at 12:36am by drwls

chemistry
an ammonia molecule, NH3 travels at about 658 m/s at room temperature. How fast would a molecule of hydrogen sulfide, H2S travel under the same conditions?
Tuesday, March 13, 2012 at 8:30pm by nick

chemistry
Sodium sulfide does, indeed, form three particles, but your explanation is not right. Sodium sulfide is Na2S (you wrote NaS). When it dissolves it forms 2 Na^+ and 1 S^2- for three particles. (Don't confuse the number of ions with the charge. The sulfide ion is -2 charge but ...
Wednesday, September 12, 2012 at 12:33pm by DrBob222

Chemistry
Describe the formation of hydrogen bonds in a hydrogen peroxide, H2O2. Represent possible hydrogen bonding structures in hydrogen peroxide by using structural formulas and the conventional notation for a hydrogen bond.
Sunday, February 3, 2008 at 6:05pm by Lauren

Chemistry
I still don't unerstand but 1. Generally gases decr4eae solubility as T of liquid increases. 2. Generally as partial pressure of gas increases the solubility increases. 3. I have absolutely no idea what this is talking about. 4. solubility increased. 5. Solubility of O2^N2(air...
Wednesday, January 23, 2013 at 8:29pm by DrBob222

chemistry
Explain in word how you would prepae 250mL of a 3.000 M solution of Ba(OH)2 starting form barium hydroxide and water..... 2 equation 2CoI3 + 3 K2S= Co2S3 + 6KI 2 moles of Cobalt (III) iodide + 3 moles of Potassium sulfide = cobalt (III) sulfide + 6moles of Potassium Iodide ...
Sunday, October 10, 2010 at 5:02pm by pete

Chemistry
1. KBr: Potassium Bromide 2. Cu2O: Copper (I) Oxide 3. HCl: Hydrochloric Acid Tehncially, this is a gas and is called hydrogen chloride as a gas. If it is in aqueous solution, then it is HCl(aq), hydrochloric acid. Many people, including professional chemists, interchange ...
Wednesday, January 12, 2011 at 1:30pm by DrBob222

Chemistry
electrons in ions=protons minus charge here , electrons=50-(-2)=52 sulfide is always -2. Memorize it. sulfide, sulfite, and sulfate ion are -2
Sunday, December 4, 2011 at 1:01pm by bobpursley

chemistry
1-Barium sulfate and strontium sulfide both are placed into beaker of water. a- Will the strontium sulfide dissociate? ....... - If it does,write the equation showing the dissociation.
Saturday, May 5, 2012 at 6:48pm by Marie

chem
can anyone help me with this question what is the advantages and disadvantages of hydrogen power as opposed to hydrogen fuel, also what is the equation for hydrogen feul? I do not understand your first question. Hydrogen power REQUIRES hydrogen fuel. Hydrogen fuel is H2; ...
Saturday, March 3, 2007 at 12:41pm by ana

Org. Chem.
It is not that easy to do these predictions just based on polarity. You need to consider the molecule's ability to hydrogen bond (i.e. is it hydrophylic?) or contains a large hydrocarbon part which makes it hydrophobic. If we start with the alcohols, the short chain alcohols (...
Monday, September 14, 2009 at 2:05am by Dr Russ

CHEMISTRY
2H2S + 3O2 → 2H2O +2SO2 given the balanced equation, if 4 moles of hydrogen sulfide react: How many moles of oxygen consumed? How many moles of water and sulfur dioxide are produced?
Monday, May 21, 2012 at 11:16pm by Theodore

chemistry
If 11.53g hydrogen sulfide reacts with 3.97g oxygen gas in the following reaction: 2H2S + O2 + H2O which is the maximum mass of sulfur that can be produced? which is the limiting reactant ? which reactant is in excess ? by how many grams?
Sunday, May 23, 2010 at 4:17pm by Charile

Chemistry
use the Ksp of SnS2= 1.0X10^-70 and calculate the pH of a hydrogen sulfide solution needed to precipitate 99.99% of the tin(IV) ion assuming [Sn^4+]=0.05M and that [H2S]=0.10M.
Sunday, March 25, 2012 at 2:51pm by Tanner

chemistry
Hopefully, Dr. Bob222 corrects this if this is wrong. The maximum mass of calcium iodate that can dissolve in a 10L solution of calcium sulfide can not exceed the number of moles of calcium sulfide in the 10L solution. Therefore, solve for the number of moles in the solution. ...
Tuesday, January 29, 2013 at 3:50pm by Devron

chem
well..for the solubility question. I say that ethyl alcohol is more soluble in water because of it's ability to have hydrogen bonding
Monday, May 5, 2008 at 9:42pm by ~christina~

CHEMISTRY
Sulfur dioxide gas reacts with hydrogen sulfide gas to produce elemental sulfur (S8) and water vapor. Predict the temperature range over which this reaction is spontaneous.
Wednesday, March 2, 2011 at 12:00am by Josh

Chemistry
Tube worms that survive near geothermal vents of hydrogen sulfide rely on bacteria living inside them to obtain energy by the oxidation of H2S to SO4^2-. What is the overall change in the oxidation number of sulfur for this reaction?
Tuesday, June 26, 2012 at 8:01pm by Help

chemistry
According to the following reaction, how many grams of water will be formed upon the complete reaction of 21.6 grams of oxygen gas with excess hydrogen sulfide? 2 H2S (g) + 3 O2 (g) = 2 H2O (l) + 2 SO2 (g)
Sunday, October 24, 2010 at 5:09am by manisha

chemistry
In one experiment, the reaction of 1.00 g mercury and an excess of sulfur yielded 1.16 g of a sulfide of mercury as the sole product. In a second experiment, the same sulfide was produced in the reaction of 1.50 g mercury and 1.08 g sulfur . What mass of the sulfide of mercury...
Sunday, January 17, 2010 at 6:59pm by John

chemistry
Write word equations for the following chemical reactions. a. Pure copper can be produced by heating copper(II) sulfide in the presence of diatomic oxygen from the air. Sulfur dioxide gas is also produced in this reaction. b. Water is formed by the explosive reaction between ...
Thursday, January 6, 2011 at 9:04am by sec 8.1

Chemistry
Hydrogen sulfide H2S is produced during decomposition of organic matter. when .5000 mol H2S burns to produce SO2 and H2O. -281.0 kJ of heat is released. what is this heat in kilocalories. Can you help me start this please
Sunday, October 28, 2007 at 8:45pm by Lauren

LAB!!!!!
can someone check this for me???? Thanks I really appreciate it!!!!! Calcium Chloride Melting Point: 772 C (anhydrous) Solubility (water): highly soluble in water Solubility (Ethanol): Soluble Conductivity: ATC mode: 183.25 Citric Acid Melting Point: 153 C (426 K) Solubility...
Monday, June 19, 2006 at 4:17pm by Hodgkin

chemistry
According to the following reaction, how many moles of oxygen gas are necessary to form 0.543 moles water? hydrogen sulfide (g) + oxygen (g) water (l) + sulfur dioxide (g)
Sunday, October 30, 2011 at 7:30pm by bessie

Chemistry
Give the formula of each of the following copper minerals: A. cuprite, copper (I) oxide B. chalcocite, copper (I) sulfide C. covellite, copper (II) sulfide
Monday, January 23, 2012 at 5:57pm by Tiffany

Chemistry
13.75 g of iron (III) nitrate react with an excess of ammonium sulfide, how many grams of iron (III) sulfide are produced
Sunday, July 8, 2012 at 4:16pm by Abby Walker

chemistry
If 13.75 g of Iron (III) nitrate react with an excess of ammonium sulfide, how many grams of iron(III) sulfide are produced?
Wednesday, July 3, 2013 at 12:17pm by Adelle

AP Chem
Whew. long question. Barium carbonate is the source of barium compounds. It is produced in an aqueous precipitation reaction from barium sulfide and sodium carbonate. (Barium sulfide is a soluble compound obtained by heating the mineral barite, which is barium sulfate, with ...
Tuesday, October 28, 2008 at 12:02am by Anna-Marie

URGENT! chemistry- percentage yield
You need to calculate the theoretical yield (Y) starting from 15.0 (I presume g) of antimony sulfide. In order to do this you need a balanced equation, so you need to insert symbols and balance: iron + antimony sulfide -> antimony + iron(II)sulfide. To calculate the ...
Wednesday, March 16, 2011 at 3:10am by Dr Russ

Chemistry
If 13.75 g of iron (III) nitrate react with an excess of ammonium sulfide, how many grams of iron (III) sulfide are produced? Report your answer to 2 sig figs
Sunday, July 8, 2012 at 4:45pm by Stacey

chemistry
I want to make sure I am correct in classifying whether the following properties of hydrogen are chemical or physical. thanks 1. hydrogen will burN in in oxygen to form water. CHEMICAL 2. hydrogen does not support combustion. CHEMICAL 3.hydrogen is usually found combined with ...
Tuesday, April 8, 2014 at 8:45pm by david

chemistry
How many moles of iron(II)sulfide are produced when 4.38g of Fe reacts with 2.88g of S to produce iron(II)sulfide?
Friday, March 7, 2008 at 5:34pm by megan

chemistry
Barium sulfate is listed as insoluble on solubility tables. It does, however, dissolve to a small extent. Its solubility at 50 'C is 0.00034g in 100. g of water. Express this solubility in parts per million -I know the equation is ppm= (grams of solute/L of solution) x 10^6
Sunday, March 20, 2011 at 6:59pm by Emily

Chemistry
Question One The fictitious compound, pandemonium fluoride ( PnF2 ) has a Ksp value in water of 3.091x10^-9 M^3 at room temperature. Calculate the solubility of PnF2 in water. Express your answer in units of molarity. Question Two How would you expect the solubility of ...
Tuesday, December 11, 2012 at 3:24am by Odesa

solubility graph
at what temperature is the solubility or potassium nitrate equal to the solubility of sodium nitrate?
Monday, November 10, 2008 at 5:04pm by tony

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