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October 22, 2014

Search: Into. Chemistry

Number of results: 62,279

Chemistry II
Calculate the enthalpy for the following reaction: 4 NH3 (g) + 5 O2 (g) into 4 NO (g) + 6 H2O (g). You may only use the following information: N2 (g) + O2 (g) into 2 NO (g); Delta Hf = 180.6 kJ N2 (g) + 3 H2 (g) into 2 NH3 (g); Delta Hf = -91.8 kJ 2 H2 (g) + O2 (g) into 2 H2O...
November 29, 2009 by Mandy

chemistry
Consider a red flame color produced by excited lithium with a wavelength of 671 nm. What is the mass equivalent of 1 mol of photons of this wavelength? I can get as far as Js of E Can't seem to find equation to turn Js into mols, or photons into mols, for Js into photons. I'm ...
February 5, 2011 by dave

chemistry
i have to do a "chemistry of cooking" project for my chem class. for the project i need to convert pounds, grams, and ounces into moles, but i do not know how. for example, i need to convert 453.5g of beef into mols. how do i do that? do i need to know the chemical formula of ...
February 18, 2010 by joyce

chemistry
Sort these elements into isoelectronic groups. Into three different boxes/sections. Elements: F- O2- Al3+ S2- Ti4+ K+ He Li+ B3+
September 30, 2013 by David

Chemistry
Did I break this up correctly? NaHclO3 breaks into Na+ and HClO3-, and that further breaks into H+ and ClO3-
May 28, 2014 by A

chemistry
I am still having trouble with this question It says What is the molarity of a solution containing 18.0g of KCl in 262mL of KCl solution? When I calculated it I got .92154 m. I had changed 18 g into moles and 262 ml into liters and then divided the moles into liters. I was ...
November 7, 2013 by chelsea

Chemistry
How does HI(g) split up into H and I. 1. Does it collide with another HI(g) and energy is lost? or the electron being shared gets dislocated? 2. If so then, can HI collide with anything ( H, I, the wall) to break down into H and I?
April 6, 2011 by BlahxD

Chemistry
How does HI(g) split up into H and I. 1. Does it collide with another HI(g) and energy is lost? or the electron being shared gets dislocated? 2. If so then, can HI collide with anything ( H, I, the wall) to break down into H and I?
April 6, 2011 by BlahxD

chemistry
NaHclO3 breaks into Na+ and HClO3-, and that further breaks into H+ and ClO3-, is that right?
May 28, 2014 by A

Chemistry
Taking into account the "Second Law of thermodynaics", what is the maximum percentage of heat at 700 C that can be converted into electricity if the waste heat was produced as steam at 100 C?
November 20, 2011 by Devin Boutte

Chemistry
Taking into account the "Second Law of thermodynaics", what is the maximum percentage of heat at 700 C that can be converted into electricity if the waste heat was produced as steam at 100 C?
November 20, 2011 by Devin Boutte

chemistry
In my chemistry lab we decomposed lead (iv) oxide by heating it and then placing a wooden splint(test the evloved gas) into the mouth of the test tube. The color changed into red lead ( Pb304).Then we reheated the sample again and it turned to PbO. I do not understand why the ...
April 20, 2009 by Lenny

Chemistry
4.00 mol of solid A was placed in a sealed 1.00-L container and allowed to decompose into gaseous B and C. The concentration of B steadily increased until it reached 1.20 M, where it remained constant. A(s) <-------> B(g)+C(g) Then, the container volume was doubled and ...
February 5, 2013 by Anon

Re: chemistry
The average pH of open ocean water is 8.1. What is the maximum value of [Fe3+] in pH 8.1 seawater if the Ksp of Fe(OH)3 is 1.1*10^-36? chemistry - DrBob222, Friday, December 7, 2012 at 10:14pm Fe(OH)3 ==> Fe^3+ + 3OH^- pH = 8.1 pH + pOH = pKw = 14 Therefore, pOH = 14-8.1...
December 8, 2012 by Brunette

Chemistry - Heat of Fusion
When water is frozen into ice cubes in the freezer, where does the released heat go? I think it just goes into the air in the freezer, nowhere special. Because won't the heat become cold air then? That's right. The heat just adds to the heat load that the freezer/refrigerator ...
April 24, 2007 by M and V

Chemistry
which is an example of physical change 1.water decomposing into hydrogen and oxygen 2.potassium and bromine combining to form potassium bromide 3.solid ice melting into liquid water 4.none of the above i think its 3.
November 28, 2010 by jessica

chemistry
You have four beakers labeled A, B, C, and D. In beaker A, you place 100 grams of silver nitrate and enough water to make 50 mL of solution. In beaker D, you place 100 grams of KCl and enough water to make 100 mL of solution. You also pour 100 mL of water into beaker B and 200...
April 24, 2008 by brandi

chemistry
How many moles are in 13grams of C6H6. should this question be broken down into its imperical formula (CH)6 and calculate the number of moles of CH and multiply by 6 or calculate the gram molecular wt of C6H6 and divide it into 13 grams?
January 23, 2010 by richard

chemistry
A sample of 7.83 grams of NaOH is dissolved into 620 mL of aqueous 0.250 M NaOH (as- sume no volume change). This solution is then poured into 1.67 gallons of water. (You may assume that the two volumes can be added.) What is the concentration of NaOH in the final solution?
September 6, 2010 by Anonymous

Chemistry
If 1.10 g of steam at 100.0 degrees celsius condenses into 38.5 g of water, initially at 27.0 degrees celsius, in an insulated container, what is the final temperature of the entire water sample? Assume no loss of heat into the surroundings
November 8, 2010 by Please Help!

chemistry
i am doing a graph for my chemistry class, and i need help with excel. How do i plot 3.50X10^-3 into excel? it comes out as a negative number! help!
October 21, 2010 by jean

Grammar
Am I using "into" properly in this sentence? Enrolling into college with an undecided major... I don't if I should use "to" or "into". Thanks :)
December 19, 2012 by Anon

chemistry
A sample of 6.65 grams of NaOH is dissolved into 621 mL of aqueous 0.250 M NaOH (as- sume no volume change). This solution is then poured into 2.16 gallons of water. (You may assume that the two volumes can be added.) What is the concentration of NaOH in the final solution? ...
December 18, 2012 by lauren

Chemistry
A sample of 7.52 grams of Na OH is dissolved into 675 mL of aqueous M NaOH (assume no volume change). This solution is then poured into 1.95 gallons of water. (You may assume that the two volumes can be added.) What is the concentration of NaOH in the final solution? Answer in...
September 23, 2010 by Cheyenne

Chemistry
Taking into account the "Second Law of thermodynaics", what is the maximum percentage of heat at 700 C that can be converted into electricity if the waste heat was produced as steam at 100 C? Please Give as much detail as possible instructor will not help cause I missed this ...
November 19, 2011 by Devin Boutte

chemistry
There is a ball with a mass of 1000 lbs. It's turned into wire with a diameter of 3.12 x 10^-1 How long is the wire? This is my crazy chemistry teacher's idea of a test...and I don't even think there's a solution. HELP ME
October 3, 2011 by Molly

Organic Chemistry/Biology
My text has a review of some chemistry before getting into the biology bit. I have come to a question "what are 3 characteristics/features of an organic compound." My book seems to only have the general they all have carbon. The rest goes into depth about the different classes...
September 20, 2007 by Lena

Chemistry
A sample of 9.4 grams of NaOH is dissolved into 693 mL of aqueous 0.250 M NaOH (assume no volume change). This solution is then poured into 2.37 gallons of water. (You may assume that the two volumes can be added.) What is the concentration of NaOH in the final solution? ...
October 4, 2010 by May

Chemistry
A sample of 6.41 grams of NaOH is dissolved into 675 mL of aqueous 0.250 M NaOH (assume no volume change). This solution is then poured into 2.28 gallons of water. (You may assume that the two volumes can be added.) What is the concentration of NaOH in the final solution? ...
March 22, 2011 by Scott

chemistry
how many moles of sugar are contained in a 10-lb bag of sugar if sugar has formula C12H22O11? first convert the pounds into grams, then grams into moles.
December 1, 2012 by Deidra

Chemistry
How do you get the pH 13.68 into OH^-^?
March 8, 2012 by Savannah

Chemistry
A sample of 8 grams of NaOH is dissolved into 599 mL of aqueous 0.250 M NaOH (assume no volume change). This solution is then poured into 1.68 gallons of water. (You may assume that the two volumes can be added.) What is the concentration of NaOH in the final solution? ...
May 13, 2014 by Susan

Chemistry
At saturation 1.5 x 10^-4 moles caF2 have dissolved in 1L of water. What is Ksp for CaF2 at this temperature? CaF2(s) ==> Ca^2+ + 2F^- Ksp = (Ca^2+)(F^-)^2 (Ca^2+) = 1.5 x 10^-4 mols/L (F^-) = 3.0 x 10^-4 mols/L. Plug into Ksp and solve. Post your work if you run into ...
March 23, 2007 by Christian

Chemistry
During the phase of condenstion, is heat being absorbed from surroundings or released into surroundings! I think it is being released into surroundings! Thanks
May 5, 2012 by Jiskhaa

chemistry
sulfur trioxide gas dissociates into sulfer dioxide gas and oxygen gas at 1250 degrees C. In an experiment, 3.6 moles of sulfur trioxide were placed into an evacuated 3.0-L flask. THe concentration of sulfur dioxide gas measured at equilibrium was found to be 0.20 M. What is ...
April 29, 2007 by alexa

chemistry
valerie placed 1.0g of salt into one beaker, 1.0g of soil into a second beaker, and 2.0g of sugar in a third beaker. She then added 200mL of water to each beaker and stirred the contents for 3 mintues. How many compounds and how many mixtures did Valerie make? Identify each. ...
November 28, 2011 by callie

Practical English
8.How could you combine the following two sentences into one compound sentence? The rabbit jumped into the bushes. The dog followed it. A. The dog followed the rabbit when it jumped into the bushes. B. After the rabbit jumped into the bushes, the dog followed it. C. The dog ...
March 13, 2014 by Jensen

chemistry
how to change mg/mL into mmol/L?
March 14, 2012 by JENNY

chemistry
3.1x1024 atoms of He into moles?
October 14, 2009 by joe

chemistry
how do I convert 17.4 cubic ft into liters?
March 8, 2010 by Shannon

Chemistry
convert @5g of NaCl into moles
November 18, 2010 by cody

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
I have Sodium Benzoate and Benzyl Alcohol in a solution. I used an ether to separate the two. I know the alcohol dissolved into the ether and benzoate stayed in the aqueous solution. However, So my question is.. why the alcohol is able to dissolve better into ether than water?
October 24, 2009 by DL

Chemistry
I have a few problems im having trouble with, any help..? 1. If a peice of aluminum with mass 3.90g and a temperature of 99.3C is dropped into 10.0cm^3 of water at 22.6C, what will be the final temperature of the system? 2. If a peice of cadmium with a mass 65.6g and a temp. ...
September 23, 2009 by Dylan

Chemistry
How do you make CIF2 into a Lewis Structure
December 5, 2007 by Lauren

Chemistry
How do you make Tris into the acid form?
January 24, 2011 by Jason

chemistry
convert 725mm Hg into equivalent kPa
February 23, 2013 by Gerry

chemistry
ch4(g)+nh3(g) translate into words help!
April 2, 2013 by lolol

Chemistry
Convert the concentration of CoCl2 from 22.0 mg/mL into molarity.
October 6, 2013 by S

Chemistry Equilibrium
For the reaction NO2(g) + NO(g) N2O(g) + O2(g) Kc = 0.914. Equal amounts of NO and NO2 are to be placed into a 5.00 L container until the N2O concentration at equilibrium is 0.0446 M. How many moles each of NO and NO2 must be placed into the container?
April 13, 2014 by Anonymous

General Chemistry
Im having trouble balancing this redox rection in acidic solution. I dont know how to balance reactions in which one reactant splits up into two products. C2H5OH(aq) + I3-(aq) --> I-(aq) + CO2(g) + CHO2-(aq) + H+(aq) I know I split it into C2H5OH --> CO2 + CHO2 + H+ and ...
June 3, 2009 by Julie

Chemistry
What mass of AlCl3 can be formed from 5.000 mol NiCl2 and 2.000 mol Al? Al(s) + NiCl2(aq) → AlCl3(aq) + Ni(s) I balanced it to 2Al + 2NiCl2 -> 2AlCl3 + 3Ni I'm not sure how to go about this. I converted the moles into grams, but I feel like the balanced equation falls...
January 24, 2013 by MewBanks

chemistry
Why cant ethyne be turned into trans or cis isomers?
July 10, 2011 by mike

chemistry
50457600 seconds. Turn this into scientific notation.
September 7, 2011 by lauren

chemistry
20.2 g of potassium phosphate is dissolved into 650 ml of H2O
November 21, 2011 by maria

Chemistry
How do I change 3,3,4,4,5,5-hexamethyl-1-hexyne into it's molecular formula
November 8, 2012 by Tom

General
I do not know what subject to put this uh ok how do I put this into one cell into microsoft excell into one cell - .49 m when i put "-" it thinks I'm entering a formula which is not what I'm tyring to do i want negetive .49 m m being meters into one cell and do not know how to
May 30, 2009 by Kim

chemistry
How many moles are in 13grams of C6H6. should this question be broken down into its imperical formula (CH)6 and calculate the number of moles of CH and multiply by 6 or calculate the gram molecular wt of C6H6 and divide it into 13 grams? I took 13 grams and divided it by the ...
January 23, 2010 by richard

chemistry
For the reaction, A = B + C, the rate law is kA]. If it takes 80.0 seconds for 70.0% of a 10.0 gram sample of A to be transformed into products, what is the value of the rate constant? a. 0.00450 s-1 b. 0.0290 s 1 c. 0.00530 s-1 d. 0.0150 s-1 e. 5.40 s-1 chemistry - DrBob222, ...
February 18, 2012 by elvis

Chemistry
How do you know when to put roman numerals into formulas of binary compounds?
September 23, 2007 by TBW

chemistry
Convert 385 mmHg into kPa and atms. What does this mean?
January 21, 2008 by Anonymous

chemistry
can nuclear chemists convert elements into unstable ones? If so how?
October 30, 2008 by Anonymous

chemistry
what 3 groups do scientists put elements into in the periodic table?
December 9, 2008 by jared

chemistry
what happens when you place sodium hydroxide and water into a calorimeter?
March 21, 2010 by chels

chemistry
what is the molarity of a solution, if 12.0 g of KCl is dissolved into 500mL of H20
May 25, 2010 by Anonymous

chemistry
Why is it unnecessary to measure precisely 25.00 ml of unknown acid into the beaker?
June 23, 2010 by Ana

chemistry
what would happen if PbI2 were to be ingested into your blood stream?
February 1, 2011 by isabel

chemistry
25 G OF CALCIUM CHLORIDE IS DISSOLVED INTO 1500mml OF H2O. how can i set it up.
November 21, 2011 by maria

Chemistry
What are the Salts are taken into consideration in the calculation of the total alkalinity ????
April 20, 2014 by Mariam

Science chemistry
when carbon dioxide is passed into limewater, a white precipitate is formed. if carbon dioxide is passed continously into limewater, the white precipitate disappears. Explain why and give equations for the reactions.
February 3, 2010 by saki

Chemistry
Sucrose hydrolyzes into glucose and fructose. The hydrolysis is a first order reaction. the half life for the hydrolysis of sucrose is 64.2min at 25C. How many grams fo sucrose in 1.25L of a 0.389M solution are hydrolyzed in 1.73hrs? I started off by finding k the constant t1/...
December 25, 2010 by Chem

chemistry
Which of the following best describes the Carnot cycle? A. It represents one of the least efficient cycles for converting thermal energy into work. B. It represents one of the most efficient cycles for converting thermal energy into work. C. It represents one of the most ...
December 13, 2012 by Anonymous

pre calculus
A wire 10m long is cut into 2 pieces. one piece will be cut into a square the other piece will be shaped into a circle. Graph A= A(x) for what value of x is A smallest?
November 18, 2012 by ann9012

chemistry
How do you make a venn diagram of the 6 branches of chemistry? (Inorganic chemistry, organic chemistry, biochemistry, nuclear chemistry, physical chemistry, and analytical chemistry) like where would they go in the 3 circles
August 26, 2012 by jake

Chemistry
In Standardization of NaOH, why can the flasks you put your samples of acid into be wet?
June 25, 2008 by Anonymous

chemistry
if you were to splash a basic solution into your eyes, what should be your immediate response?
June 23, 2010 by Ana

chemistry
why is unecessary to measure precisely 25.00mL of unknown acid into the beaker?
June 29, 2010 by Jetta

Chemistry
Why is the expansion of air into a region of low pressure an endothermic proccess?
September 20, 2010 by Lew

lab questions (chemistry)
why must not the condensed water drip into the flask?
March 27, 2011 by felaa

Chemistry
How do I balance the following into an equation? 10 mL of 2.0 M HCl is react with 8 mL of 1.7 M Ca(OH)2 in a neutralization reaction.
April 27, 2011 by Please HELP!!!

chemistry
What kind of conditions would I want if I wanted to get as much CO2 to go into a soda as I could?
July 10, 2011 by g

AP Chemistry
In a fit of boredom, a chemistry teaching assistant swallows a small piece of solid dry ice (CO2). The 8.9 g of dry ice are converted very quickly into gas at 311 K. Assuming the TAs stomach has a volume of 1.5 L, what pressure is exerted on his stomach?
January 16, 2013 by Jose

chemistry
Hi, Can anyone please tell me how to convert cm3 into litres? Thanks ;) worked it out! Cheers ;)
February 6, 2007 by bertie

chemistry
Suggest a type of reaction and the conditions required to breakdown polyamides into their monomers.
May 7, 2008 by Joshua

chemistry
Suggest a type of reaction and the conditions required to breakdown polyamides into their monomers.
May 9, 2008 by Mable

chemistry
Suggest a type of reaction and the conditions required to breakdown polyamides into their monomers.
May 9, 2008 by Mable

chemistry
Suggest a type of reaction and the conditions required to breakdown polyamides into their monomers.
May 11, 2008 by John

chemistry
a test liquid has a density of 1.1g/mL. when you pour some of it into a cup of water, what will happen?
September 1, 2008 by tom

chemistry
What number of electrons fit into energy levels higher than the third level?
November 9, 2009 by madeline

Chemistry
If PbF2 is poured into a solution of 0.012 molar F-, how much will dissolve at equilibrium?
March 24, 2010 by James

Chemistry
Spilit acidic acid into half reactions CL03^- + I2 yields IO3^- + CL^-
November 10, 2010 by Anonymous

chemistry
5. What is the conversion factor that you would want to use to convert 2.0 moles of NaCl into grams?
April 18, 2011 by Anonymous

chemistry
write out the reactions that convert the chromate ion into chromium peroxide.
May 3, 2011 by jen

chemistry
If I put a red blood cell into pure water it will swell and burst, why is this?
July 10, 2011 by g

basic chemistry
a substance that cannot be broken down into susbtances by ordinary chemical means is
November 8, 2011 by lou

Physical Chemistry
Substitute U = uV and P = (1/3)u into the equation (U/V)T = T(P/T)V P to show that it leads to du/u=4(dT/T). *NOTE: u depends only on T*
December 17, 2011 by Kiki

chemistry
when hydrogen is fitted into reactivity series of metals , it comes immediately after
January 22, 2012 by didi

chemistry
if 3.60g of NaCl is dissolved into 75.00mL of water, what is the concentration of this salt solution, in m/v%?
January 31, 2012 by john

chemistry
Separate this redox reaction into its component half-reactions. O2 + 2Zn -->2ZnO
February 24, 2012 by Anonymous

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