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December 18, 2014

Search: It takes 412 kJ/mol to break a carbon-hydrogen single bond

Number of results: 21,584

financial health science
ABC Health Med, has a $1,000 par value bond with an 8 percent rate outstanding. The bond has 12 years remaining to it maturity date. If interest is paid semiannual interest, what is the value of the bond when the required return is 8 percent. Show all work.
December 17, 2010 by frances

chemistry
When 3.2 g of ammonium chloride is dissolved in 75 g of water, the temperature of the solution decreases from 22.8C to 20.1C. What is the energy of dissolution of NH4Cl per mole? (The molecular mass of NH4Cl = 53.49 g/mol, and the specific heat of water = 4.18 J/gC.) A. 14....
December 11, 2014 by Morgan

chemistry
2Na3PO4 + 3CaCl2 ----> Ca3 (PO4)2 + 6NaCl how many moles of CaCl2 remain if .10 mol Na3PO4 and .40 mol CaCl2 are used? When amounts of both materials are listed one must worry about which is the limiting reagentalthough the problem seems to suggest that Na3PO4 is the ...
June 21, 2006 by Hawk

Stoichiometry Test
4.A compund is found to have(by mass)48.38% carbon,8.12% hydrogen and the rest oxygen.(What % is missing to make the sum 100 %?) That is,figure % oxygen.What is its empirical formula?
February 12, 2009 by Cool Dom

finance
Consider the following four debt securities, which are identical in every characteristic except as noted: W: A corporate bond rated AAA X: A corporate bond rate BBB Y: A corporate bond rated AAA with a shorter time to maturity than bonds W and X Z: A corporate bond rated AAA ...
April 28, 2011 by ky

Physical Science
What do atoms forming the two bond types have in common(an ionic and covalent bond)?
May 20, 2010 by John

chemistry
By using the bond enthalpies and bond energies in thermochemical equations to calculate the reaction enthalpy of; H + Br=2HBr
July 10, 2011 by Gift

Finance
a company is offering the US Government's 8.5% 2020 treasury bond for "150.266" . What is the price in dollars of the bond?
June 28, 2012 by Kiki

chemistry
the N-N bond energy is difficult to measure. . determine the maximum de broglie wavelength of electron breaking the N-N bond
June 2, 2013 by himani.

CHEMISTRY
GIVE THE BOND ORDER FOR EACH BOND IN THE FOLLOWING MOLECULES OR IONS: CH2O,SO32-,NO2+,NOC1
December 1, 2013 by adriane

finance
If interest rates increase after a bond issue, what will happen to the bonds price and yield-to-maturity
October 13, 2014 by Anonymous

accounting
a 10 year coupon bond that yield 5% is issued with a 1000 par value. what is the issuance price of the bond
November 13, 2014 by james

Chemistry
PartA: What volume of 10.0M NaOH is needed to prepare a buffer with a pH of 7.79 using 31.52 g of TrisHCl? TrisHCl is a weak base and the molecular weight is 157.67 g/mol. I found the solution, it is 6.67 milliliters. The main question is:Part B: "The buffer from Part A is ...
March 1, 2009 by Raj

chemistry
Consider the following reaction at 298 K: C(graphite) +2Cl2 (g) -----> CCl4(l) Calculate the following quantities. Delta H: -139 kJ/mol deltaS(sys)=? J/mol*K deltaS(surr)=? J/mol*K deltaS(univ)=? J/mol*K My answer is: deltaS(sys)=654.9J/mol*K deltaS(surr)=0.4664 J/mol*K ...
March 14, 2012 by Kelsey

chemistry
1.which of the following is the most polar bond? explain n-f c-f h-f o-f 2. in the trigonal bipyramidal geometry, which position - axial or equatorial - do nonbonding electrons prefer? why? 3.under what circumstances is the molecular geometry around a single central atom the ...
April 23, 2010 by katherine

Check a chemistry answer
So I think I have done this problem right, I was just wondering if anyone would check over it for me. What mass (in grams) of P2O5 contains 1.20 x 1023 atoms of phosphorus? 1.20E23 atoms of P x (1 mol/ 6.022E23 atoms) x (5 mol O/ 2 mol P) x (1 mol P2O5/ 5 mol O) x (79.995g/ 1 ...
October 14, 2010 by Tim

math
Tony jogs 4 2/5 miles from the gym to his home daily. If he takes a water break after 2 1/4 miles, how much father died he have to jog home?
December 16, 2014 by sam

CHEMISTRY
Are double and triple bonds between carbon atoms more reactive or less reactive than single bonds?
March 20, 2009 by Sara

Chemistry
Hydrogen H2, is used asa rocker fuel. The hydrogen is burned in oxygen to produce water vapor. 2H2 + O2 ----> 2H2O Delta H= -484 kJ What is the enthalpy change per gram of hydrogen.
October 29, 2007 by Lauren

Math
An artifact was found and tested for its carbon-14 content. If 88% of the original carbon-14 was still present, what is its probable age (to the nearest 100 years)? Use that carbon-14 has a half-life of 5,730 years. ? yr
July 15, 2011 by Lee Ann

math
An artifact was found and tested for its carbon-14 content. If 88% of the original carbon-14 was still present, what is its probable age (to the nearest 100 years)? Use that carbon-14 has a half-life of 5,730 years.
July 17, 2011 by Anonymous

Algebra
An artifact was found and tested for its carbon-14 content. If 77% of the original carbon-14 was still present, what is its probable age (to the nearest 100 years)? Use that carbon-14 has a half-life of 5,730 years.
July 23, 2011 by Brandi

algebra
An artifact was found and tested for its carbon-14 content. If 79% of the original carbon-14 was still present, what is its probable age (to the nearest 100 years)? Use that carbon-14 has a half-life of 5,730 years.
July 27, 2011 by can some please help me with this one

math
An artifact was found and tested for its carbon-14 content. If 81% of the original carbon-14 was still present, what is its probable age (to the nearest 100 years)? Use that carbon-14 has a half-life of 5,730 years. yr
October 20, 2011 by Anonymous

algebra
An artifact was found and tested for its carbon-14 content. If 84% of the original carbon-14 was still present, what is its probable age (to the nearest 100 years)? Use that carbon-14 has a half-life of 5,730 years.
October 30, 2011 by suzie

math
An artifact was found and tested for its carbon-14 content. If 76% of the original carbon-14 was still present, what is its probable age (to the nearest 100 years)? Use that carbon-14 has a half-life of 5,730 years.
January 22, 2012 by Anonymous

algebra
An artifact was found and tested for its carbon-14 content. If 84% of the original carbon-14 was still present, what is its probable age (to the nearest 100 years)? Use that carbon-14 has a half-life of 5,730 years.
February 18, 2012 by Anonymous

math
An artifact was found and tested for its carbon-14 content. If 83% of the original carbon-14 was still present, what is its probable age (to the nearest 100 years)? Use that carbon-14 has a half-life of 5,730 years.
November 3, 2012 by Anonymous

math
An artifact was found and tested for its carbon-14 content. If 83% of the original carbon-14 was still present, what is its probable age (to the nearest 100 years)? Use that carbon-14 has a half-life of 5,730 years.
November 3, 2012 by Anonymous

Can some guide me
An artifact was found and tested for its carbon-14 content. If 71% of the original carbon-14 was still present, what is its probable age (to the nearest 100 years)? (Carbon-14 has a half-life of 5,730 years.)
May 13, 2014 by Nellie

biology
Choose the total number of each item requested below. 4C6H12O6 Carbon atoms Hydrogen atoms Oxygen atoms Molecules
October 29, 2012 by Anonymous

Chemistry
Carbon tetrachloride has an enthalpy of vaporization of 29.82kj/mol. If CCl4 has a normal boiling point of 350k, what is its vapor pressure at 273k? (R=8.31 J/molK)
July 1, 2013 by Annie

Chemistry-Help Dr. Bob
How many mL of Carbon Dioxide gas at STP are produced from the decomposition of 4.50g of Ferric Carbonate? This is How I tried to solve it..... 4.50g Fe12(CO3)3* 1 molFe2(CO3)3/291.72g Fe2(CO3)3* 3 mol CO2/1 mol Fe2(CO3)3* 22.4L CO2/1mol CO2* 1000ml of CO2/1 L of CO2 = 1036.57...
October 25, 2014 by Loretta

chemistry
I need to write an equation tht takes place at a temp of 400 K and with a catalyst of iron to make ammonia gas from gaseous nitrogen and hydrogen
May 21, 2011 by sheila

Volatility
Question: A mixture of p-nitrophenol and o-nitrophenol can be separated by steam distillation. The o-nitrophenol is steam volatile, and the para iosmer is not volatile. Explain. Base your answer on the ability of the isomers to form hydrogen bonds internally. My answer: ...
November 22, 2006 by Sheryl

Chemistry
Can someone explain the molecular orbital theory and how to find the bond strength, bond length, and bond order? I'm also confused about the geometry of molecules & ions, like how to find the angles? (Like NH3 is 107 degrees, and H20 is 104.5 degrees, how do I find this when I...
December 18, 2006 by Raine

Chemistry - Science (Dr. Bob222)
Hydrazine is used as a rocket fuel because its reaction with oxygen is extremely exothermic: N2H4(liquid) + O2(g)  N2(g) + 2H2O(liquid) ΔH(reaction) = -615 kJ mol-1 What is the enthalpy of this reaction if water were produced in the gaseous rather than the liquid ...
May 8, 2014 by Ana

Chemistry
The combustion of carbon monoxide is represented by the equation below: CO (g) + 1/2O2 (g) ----> CO2 (g) a) determine the value of the standard enthalpy change, for the combustion of CO at 298 K using the following info. C (s) + 1/2 O2(g) ----> CO (g) delta H at 298K = -...
October 9, 2007 by Nick

chem
Can someone help me with these please? 1) Use water as an example to contrast the properties of a compound with the elements from which it is composed. 2) If you tried to breath carbon dioxide, you would suffocate. Why, then, is carbon dioxide essential to all life on Earth? ...
January 11, 2007 by June

Finance
A bond has a 10% coupon rate, a par value of $1,000 and a market price of $800. What is the current yield of this bond?
January 23, 2011 by tammy

chemistry
1- A compound is 87.5% nitrogen and 12.5% hydrogen. The molecular weight of the compound is 32 g/mol. Describe the molecule referencing shape, and inter-molecular forces. 2- Gaseous butadiene, C4H6 , reacts with hydrogen gas in the presence of a platinum catalyst to form ...
January 6, 2014 by Katie

Chemistry
Help please! I need to identify an organic compound and tell the functional group of the molecule- the compound is single-bonded ,it is composed of a middle chain H,C,C,H. Off both carbons are single chains consisting of a H above and below each of the carbon. What ...
May 3, 2010 by Julia

chemistry
Calculate the mass in atomic mass units of .25 mol of carbon-12 atoms. I don't know how to set it up..
March 9, 2010 by Lola

Chemistry Check Please! ?Fixed
A solution is prepared by dissolving 3.44 g of sucrose, C12H22O11, in 118 g of water. a) What is the molality of the resulting solution? b) What is the mole fraction of water in this solution? B) moles of h2o=118g/18(g/mol)=6.548 mol moles of c12h22O11= 3.44g/342.3(g/mol)=0....
January 17, 2014 by Kate

AP Chemistry
A 34.05 gram liquid sample of an unstable compound is deposited in a metal piston assembly that has a cylinder with a diameter of 20.0 cm. After the sample is added, the piston is placed in contact with the liquid and the piston vent is closed. This process removes all ...
September 26, 2012 by Jack

Chemistry 11
12.0 g of carbon reacts with 32.0 g of oxygen to form 44.0 g of Co2. if we react 20.0 g of oxygen with 20.0 g of carbon,how many grams of carbon will be used up?..... i have no clue where to start... can u just tell me the steps to solve similar problems like this
September 22, 2010 by priya

Math
The half-life of carbon-14, which is used in dating archaeological finds, is 5730 yr. Assume that 100% of the carbon-14 is present at time 0 yr, or x=0. Write the equation that expresses the percentage of carbon-14 remaining as a function of time.
October 11, 2011 by Hanna

College Math
An artifact was found and tested for its carbon-14 content. If 88% of the original carbon-14 was still present, what is its probable age (to the nearest 100 years)? Use that carbon-14 has a half-life of 5,730 years.
April 16, 2012 by Yvonne

Homework test
An artifact was found and tested for its carbon-14 content. If 70% of the original carbon-14 was still present, what is its probable age (to the nearest 100 years)? Use that carbon-14 has a half-life of 5,730 years.
June 17, 2012 by Randy

applied algebra
An artifact was found and tested for its carbon-14 content. If 74% of the original carbon-14 was still present, what is its probable age (to the nearest 100 years)? Use that carbon-14 has a half-life of 5,730 years. 1 yr
October 27, 2012 by Anonymous

chemistry
A .4791 g sample was analyzed and found to contain the following masses of elements: carbon, .1929 g hydrogen, .01079 g oxygen, .08566 g chlorine .1898 g Determine the empirical formula of the new compound.
January 26, 2010 by Jane

Chemistry
Combustion analysis of an unknown compound containing only carbon and hydrogen produced 2.277 g of CO2 and 1.161 g of H2O. What is the empirical formula of the compound? How do I go about solving this?
September 19, 2010 by Laura

Chemistry
Would a substance that does not form hydrogen bonds have a high or low surface tension? What about vapor pressure, specific heat,heat of vaporization or boiling point? It requires extra energy to break hydrogen bonds so a substance that does not form H bonding can evaporate ...
March 6, 2007 by Dave

chem
Given: 3H2(g) + N2(g) 2NH3(g) If the reaction starts with 0.500 mol of H2, how many atoms of hydrogen in the compound NH3 would you expect to make?
February 13, 2010 by kp

chemistry
When the length of a chemical bond is short A. an electron is held tighter and the bond is weaker. B. an electron is held loosely and the bond is weaker. C. an electron is held tighter and the bond is stronger. D. an electron is held loosely and the bond is stronger.
February 17, 2012 by Anonymous

chemistry
(a) Certain alloys such as LaNi5 can store hydrogen at room temperature. A plate of LaNi5 containing no hydrogen is placed in a chamber filled with pure hydrogen and maintained at a constant pressure. At what depth from the surface will the concentration of hydrogen be 1/2 the...
December 7, 2012 by kiril

chemistry
The equilibrium constant (Kc) for the gas phase reaction 2 NH3 N2 + 3 H2 is 3.0 x 10-3 at some temperature. The reaction is started by placing a 0.040-mol sample of ammonia in an empty one-liter flask. When equilibrium is established how much N2 is present? 1. ) 0.019 mol 2...
October 25, 2009 by James

Chemistry
In the theoretical reaction 2 B(aq) + 3 D(aq) ---> E(aq) + 4 F(aq) the concentration of D(aq) is 0.40 mol/L. If 25.0 mL of aqueous B is needed to react completely with 30.0 mL of aqueous D, the concentration of B(aq) is A-0.48 mol/L B) B-0.32 mol/L C) C-0.40 mol/L D) D-0.72...
October 22, 2012 by mem

chemistry
How many carbon atoms are there in 150.0 g Glucose? (Glucose is C6H12O6, molar mass = 180.16 g/mol)
February 20, 2010 by Jack

CHEM- need help ASAP
An equilibrium mixture in a 10.0 L flask contains 7.0 mol HI(g) and 1.0 mol each of I2(g) and H2(g). If 2.5 mol H2, 5.0 mol I2 and 2.0 mol HI are added to that equilibrium mixture how many moles of each gas will be present when equilibrium is reestablished?
April 16, 2014 by Meg

Finance
Dahler Corporation has just issued a bond with a maturity of 20 years, coupon rate of 10.25%, and a market price of $1330.25. Dahler makes semiannual coupon payments. a) what is the YTM expressed as a quoted rate based on semi-annual compounding? And what is the effective ...
February 2, 2010 by LIT

Chemistry
Could someone answer this question, i'd appreciate it. Im stuck on it The C-O-H bond angle is wider in methanol compared to water, and the C-O bond is longer then the OH bond in water due to: A) Steric clashing of methyl C-H's and hydroxyl H. B) Unshared pairs in water scissor...
April 20, 2011 by Jules

Chemistry
Could someone answer this question, i'd appreciate it. Im stuck on it The C-O-H bond angle is wider in methanol compared to water, and the C-O bond is longer then the OH bond in water due to: A) Steric clashing of methyl C-H's and hydroxyl H. B) Unshared pairs in water scissor...
April 20, 2011 by Jules

chemistry
For the reaction, shown below, determine which statements are True and which are False. 3Fe(s) + Cr2O72-(aq) +14H+(aq) → 3Fe2+(aq) + 2Cr3+(aq) + 7H2O(l) ξo=1.77V 1. The oxidizing agent is dichromate (Cr2O72-). 2. The iron half-reaction takes place in an acidic ...
May 2, 2014 by bekah

Chemistry
Magnetite, an iron ore with formula Fe3O4, can be reduced by treatment with hydrogen to yield iron metal and water vapor. (a) Write the balanced equation. (Use the lowest possible coefficients.) 1Fe3O4(s) + 4H2(g)-> 3Fe(s) + 4H2O(g) (b) This process requires 36 kcal for ...
December 9, 2012 by Marie

Org. Chem.
Why would hydrogen bonding not occur between benzophenone and water? or would it and why? Why does benzophenone and methyl alcohol H bond? And benzophenone and hexane don't? Why is there potential for H bonding between malonic acid and water and malonic acid and methyl alcohol...
September 14, 2009 by Chelsea

Finance
Seven years ago a semi-annual coupon bond with a 10% coupon rate, $1,000 face value and 15 years to maturity was issued by Corn Inc.. Teddy bought this bond two years ago when the market interest rate was 12%. And now the market interest rate is 5%. If teddy sells the bond now...
November 14, 2012 by Dan

organic
which substituent increases the acidity of a phenolic hydroxyl group when located next to it? CH3- CH3Cdouble bond O -C double bond N
January 22, 2009 by johny

Math
If you buy a $1395 savings bond that pays 4.3% annual simple interest. Determine the value of the bond after 7 years.
July 16, 2012 by Meredith

Accounting
How would the journal entry look if you sold a 8% bond with a face value of $11,000 for $9,500? Bond will mature in 10 years.
April 5, 2013 by Sam

financial analysis
A zero coupon bond with a par value of 1,000 has 15 years to maturity. If the YTM is 6.2% what is the current price of this bond?
April 18, 2014 by belinda

Chemistry, Check 1 easy question!!!
What type of bond will a metal cation most likely form? I think its Iconic bond
November 5, 2014 by 1 Question!

Chemistry
You wish to increase the carbon content of a slab of steel by exposing it to a carburizing atmosphere at elevated temperature. The carbon concentration in the steel before carburization is 235.0 ppm and is initially uniform through the thickness of the steel. The atmosphere of...
December 15, 2012 by Anonymous

physics
You wish to increase the carbon content of a slab of steel by exposing it to a carburizing atmosphere at elevated temperature. The carbon concentration in the steel before carburization is 206.5 ppm and is initially uniform through the thickness of the steel. The atmosphere of...
December 15, 2012 by y

science
You wish to increase the carbon content of a slab of steel by exposing it to a carburizing atmosphere at elevated temperature. The carbon concentration in the steel before carburization is 152.0 ppm and is initially uniform through the thickness of the steel. The atmosphere of...
December 16, 2012 by fatine

grade 11 chemistry
12.0 g of carbon reacts with 32.0 g of oxygen to form 44.0 g of Co2. if we react 20.0 g of oxygen with 20.0 g of carbon,how many grams of carbon will be used up?..... i have no clue where to start... can u just tell me the steps to solve similar problems like this
September 22, 2010 by priya

chem
The bond enthalpy of N2(g) is 418.0 kJ/mol. Calculate Hf for N(g). I figured that if it gave the enthalpy for N2, then the enthalpy for N would be half of the given amount. But that wouldn't be bonded to anything?? Is there a standard calculation?
April 15, 2009 by han

chemistry
Nitroglycerin is a powerful explosive, giving four different gases when detonated.2 C3H5(NO3)3 (l) → 3 N2 (g) + 1/2 O2 (g) + 6 CO2 (g) + 5 H2O (g)Given that the enthalpy of formation of nitroglycerin, ΔHf, is −364 kJ/mol, calculate the energy (heat at ...
March 3, 2012 by ogi

Corporate Finance
The yield-to-maturity on a bond is the interest rate you earn on your investment if interest rates do not change. If you actually sell the bond before it matures, your realized return is known as the holding period yield. Suppose that today, you buy a 12 percent annual coupon ...
April 21, 2011 by Nik

Science
8. The balanced equation P4 (s) + 6H2 (g) --> 4PH3 tells us that 2 mol H2 a. reacts with 1 mol 4 b. produces 4 mol PH3 c. cannot react with phosphorus d. produces 2 mol PH3 e. reacts with 2 mol P4 idk y i cant seem to get the answer from the choices above?
January 18, 2011 by Dylan

Chemistry
K=1.6x10^-5 mol/L for the following reaction 2NOCl(g).... 2 NO(g) + Cl2(g) Calculate the concentrations of all species at equilibrium for each of the following original mixtures E) 2.4 mol of NOCl, 2.4 mol of NO, and 1.2 mol Cl2 in a 1.0 L flask F)1.9 mol/L concentration of ...
November 20, 2007 by AMANDA

chemistry
Calculate how many moles of productwould be produced if .310 mol of the first reactant were to react completely. (a) CO2 + 4 H2 CH4 + 2 H2O CH4 _____ mol H2O _____ mol (b) C3H8 + 5 O2 4 H2O + 3 CO2 H2O _____ mol CO2 _____ mol (c) 3 H2SO4 + 2 Fe Fe2(SO4)3 + 3 H2Fe2(SO4...
January 6, 2011 by Anonymous

Chemistry - Molarity
Potassium hydrogen phthalate is a monoprotic acid. Dihydrogen phthalate (H2C8H4O4) is a diprotic acid. An analyte sample contains 0.127 M KHP and 0.0678 M H2C8H4O4. What volume of a 0.205 M NaOH solution is required to neutralize 25.0 mL of the analyte solution? Molar masses: ...
December 10, 2012 by Amy

science
if the density of octane is 0.703 g/mol, how many gras of carbon dioxide are produced in the combustion of 40L of octane??
March 20, 2012 by brenton

ap chemistry
A 0.456 gram sample of an unknown mono- protic acid (lets call it HZ) was dissolved in some water (you pick the amount). Then the acidic solution was titrated to the equivalence point with 32.5 mL of 0.174 M KOH. What is the molecular weight of the unknown acid HZ? 1. 103.2 g...
March 5, 2013 by cheri

chemistry
a compound with the molecular weight of 276 grams was determined to be 39.10% carbon, 8.77% hydrogen, and 52.13% oxygen. what is the empiricial formula and the molecular formula for the compound? i do not know where to start! i worked it out and i got 276/100=2.76 do i round ...
November 28, 2009 by shelly

11th grade
A person, who weighs 688N, swings from a cliff at the end of a convenient vine that is 18m long. From the top of the cliff to the bottom of the swing he descends by 3.2m. The vine will break if the force on it exceeds 950N. a) Does the vine break? b) If no, what is the ...
February 10, 2009 by Anonymous

Chem Question (thermo)
Calculate ΔG at 25 C for a reaction in which Ca2+(aq) combines with CO32(aq) to form a precipitate of CaCO3(s) if the concentrations of Ca2+(aq) and CO32(aq) are 0.023 M and 0.13 M, respectively. (ΔG = 47.94 kJ) A. 62.3 kJ/mol B. 33.5 kJ/mol C. 17.8 kJ/mol D...
March 1, 2012 by M

Chemical Bonding
Predict the type of bond present between carbon and suffer in vulcanized runbber? Is that ionic. Please tell me how I can figure out what bonds are present in different chemical reactions. Like phospherous nad oxygen in a DNA molecule.
January 14, 2007 by Karen

organi chemistry
Calicheamicin is an antitumor compound produced by a microorganism isolated in Texas soil. Below is the enediyne core of calicheamicin, which is responsible for its antitumor activity. (a) Mark the hybridization state of each carbon. Ignore the R groups. (b) What are the ...
January 25, 2014 by marta

chemistry
(You may have seen this before) A crude oil burned in electrical generating plants contains about 1.2% sulfur by mass. When the oil burns, the sulfur forms sulfur dioxide gas: S(s) + O2(g) -------> SO2(g) How many liters of SO2 (d = 2.60 g/L) are produced when 1.00 x 104 kg...
October 11, 2008 by starlight

chemistry
What two conditions necessary for molecules to be polar? Her's my answer pls check. First, at least one covalent bond in the molecule has to be a polar covalent bond. For a bond to be polar, there must be a difference in the electronegativities of the two atoms that are bonded...
October 5, 2012 by shay

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 ...
January 6, 2011 by sec 8.1

chem
Liquid carbon disulfide reacts with 415 mL of oxygen to produce the gases carbon dioxide and sulfur dioxide. What volume of carbon dioxide is produced? Answer in units of L
May 30, 2014 by reis

chemistry
If you collect hydrogen gas over water at a temperature of 85*C, what is the volume of just the water if the pressure of hydrogen is 1.23 atm and the grams of hydrogen was 2.6
May 6, 2014 by brandie

Chemistry
Suppose 1.0 mol of substance A reacts with 1.0 mol of substance B. to produce 2.0 mol of substance C. In a reaction, 2.4 mol of substance A is allowed to react with 2.1 mol of substance B. What amount in moles of substance c is produced?
April 1, 2009 by Andrew

Chemistry
A sample of .234g of carbon is placed in a closed stainless steel bomb with .502g of of oxygen gas. The mixture is ignited giving of carbon dioxide. How many grams of carbon dioxide should be obtained upon combustion?
February 21, 2010 by Ben

chem!!
what determines if the heat of solution is endothermic or exothermic for salts? Mostly the competition between the lattice energy (how much energy it takes to break the crystalline strucure) vs the heat of solvation of the ions.
April 25, 2007 by Anonymous

Chemistry
Hydrogen Storage in Alloys - The Future? Certain alloys such as LaNi5 can store hydrogen at room temperature. A plate of LaNi5 containing no hydrogen is placed in a chamber filled with pure hydrogen and maintained at a constant pressure. At what depth from the surface will the...
July 25, 2014 by Muanda

chemistry
Write the equation for the decomposition of HI, knowing that the reaction requires 9.4 kj/mol of hydrogen forming. If 100.0 kj of energy are added, how many grams of iodine will form.
May 6, 2012 by Bob

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