Tuesday
January 24, 2017

# Search: Into. Chemistry

Number of results: 76,869

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

Chem
A carless chemistry student pours 200 grams of methanol, a flammable substance into the sink. Another careless chemistry student causes the bad situation to get even worse by dropping a lit match into the sink. The metanol burns completely with 300 grams of oxygen from the air...
September 6, 2015 by Sara

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
Why does a titrated sample that is fuschia with phenolphthalein turn colorless when the solution is blown into? HINT: Use chemistry and properly balanced chemical equations to support your statement.
May 13, 2015 by Nicole

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
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

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

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

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 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 5.52 grams of NaOH is dissolved into 659 mL of aqueous 0.250 M NaOH (assume no volume change). This solution is then poured into 1.52 gallons of water. (You may assume that the two volumes can be added.) What is the concentration of NaOH in the final solution?
September 19, 2016 by Greatest

chemistry
Bringing the real world law into video games could hold various complications. The possible complications outweigh the penitence driven into the prosecuted youngsters for their time wrongdoing. Laws in the real world should be separate from the rules governing an individual’...
November 3, 2014 by ali

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
A sample of 5.61 grams of NaOH is dissolved into 627 mL of aqueous 0.250 M NaOH (assume 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? ...
November 23, 2015 by Anonymous

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 trouble.
March 23, 2007 by Christian

Science Chemistry
according to the reaction below: 4 NO + 3 O2 + 2 H2O → 4 HNO3 a) 0,001 g of NO dissolves into 1 liter of rainwater and all of it transforms into nitric acid. What is the molar concentration of nitric acid in the rainwater? b) Supposing that no other acids are dissolved in ...
December 22, 2016 by karem

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

Organic Chemistry
Hello! I was looking for some advice on my organic chemistry lab. We were supposed to separate and identify a solid mixed into a liquid. I found and have confirmed my liquid is acetone by distilling it out of the solid. The solid then turned into a whitish powder while in the ...
December 12, 2016 by Abby

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

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

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

General Chemistry
Im having trouble balancing this redox rection in acidic solution. I don't 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

English
1, He has put all his money into buying that house. 2. He put all the apples into the fridge. 3. She put all the dolls into the box. ------------------- Are they all grammatical? Can we use 'in' instead of 'into'?
April 18, 2016 by rfvv

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
How do you separate this into ions Na2B4O7
September 7, 2016 by byu

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
Guys. I have another chemistry question that I am unsure with. I would appreciate it if you could help me with working out. Thanks. A sample of ethane, C2H6, contains 9.6 * 10 ^ 22 atoms. How many mole of ethane is present in the sample? Why do I need to divide (9.6*10^22) by ...
June 17, 2015 by Mole help!

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
what is the PH of a solution of .1 M NAN3 that disassociates into HN3
March 4, 2015 by Molly

chemistry
what can be separated into atoms with a chemical reaction.
November 7, 2015 by hope

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
a chemist puts 50g of chemical a in beaker 1 and 25 g of chemical b in beaker 2 she places bot beaker into a larger container. as the chemicals evaporated the gas react into a white solid what mass of solid will form if chemicals react
April 12, 2015 by Anonymous

Anatomy and Physiology
when the aortic valve opens into the aorta blood flows A. out of the body B. into the right atrium *** C. into the left ventricle D. out of the pulmonary artery my answer : C Am i correct?
January 23, 2017 by Lolaw

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

chemistry
Why can’t 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

What type of radiation is emitted when K-38 decays into Ca-38?
March 11, 2015 by Ciaria

Chemistry
Why must not the condensed water drip into the flask?
May 25, 2016 by Vaisamoa Tokauea

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

calculus
A wire along 1 meter is divided into three parts . The first part is formed into a circle , the second part is formed into an equilateral triangle , and the third part is formed into a square . Determine the size of each section so that the total area of the three wake formed ...
January 8, 2016 by jon

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 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

Science
In ferns, the sporophyte produces(1 point) A.)CONES,WHICH GROW INTO A GAMETOPHYTE B.)GAMETES, WHICH GROW INTO A GAMETOPHYTE C.)SPORES, WHICH GROW INTO A GAMETOPHYTE D.)SEEDS, WHICH GROW INTO A GAMETOPHYTE ?
September 28, 2015 by DJ

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

oragnic chemistry
convert the measurement 92.0g into pounds (1lb=453.6g)
February 2, 2015 by Anonymous

Chemistry
How many grams of perchloric acid are dissolved into 3.86 L of water, if the pH of the solution is 4.03.
May 11, 2016 by Jose

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

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

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

Language Arts
Suppose this selection is an excerpt from a biography. Which of the following changes would make it fiction rather than nonfiction? A. Transforming it into a first-person account by Louise B. Transforming it into a dialogue between Louise and a snake C. Transfroming it into a ...
December 1, 2014 by Callie

chemistry
Write out the mechanism (using correct curved arrow notation) for the acid-catalyzed, cis-trans isomerization of maleic acid (into fumaric acid) If the electrophilic addition reaction of maleic acid with HCl had gone to completion what would be the structure of the addition ...
December 3, 2014 by Allie

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

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 TA’s stomach has a volume of 1.5 L, what pressure is exerted on his stomach?
January 16, 2013 by Jose

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

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

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