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write the overall balanced equation for the reaction. sn(s)|sn2+(aq)∥no(g)|no−3(aq),h+(aq)|pt(s)

A balanced equation that represents an overall cell reaction is shown. Choose the cell notation which corresponds to the electrochemical cell that is described by this equation. a) Sn2 (aq) 2Cu (aq) → Sn4 (aq) 2Cu(s) b) Pt(s) l Sn2 (aq), Sn4 (aq)
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chemistry
A balanced equation that represents an overall cell reaction is shown. Choose the cell notation which corresponds to the electrochemical cell that is described by this equation. 2H2O(l) → 2H2(g) + O2(g) i don’t get why the answer is this. How can OH-

asked by eng on June 3, 2010
chemistry
A balanced equation that represents an overall cell reaction is shown. Choose the cell notation which corresponds to the electrochemical cell that is described by this equation. a) Sn2+(aq) + 2Cu+(aq) → Sn4+(aq) + 2Cu(s) b) Pt(s) l Sn2+(aq), Sn4+(aq) ll

asked by Bob, NEED YOUR HELP on November 15, 2011
Chemistry Cell notations
Enter the balanced chemical equation including states that describes the electrochemical cell that is represented by the cell notation as shown. Pt(s) l H2O(l) l O2(g) l H+(aq) ll H+(aq), Cr2O72-(aq), Cr3+(aq) l Pt(s)

asked by Confused on December 2, 2010
Chemistry
Provide the balanced reaction, the value of K, and E(cell) at equilibrium for the for the electrochemical cell created from the two half-cell reactions below Cr^(3+) + e ==> Cr^(2+) Fe^(2+) + 2e ==> Fe Well, I got the balanced reaction: 2Cr^(2+) + Fe^(2+)

asked by Nora on March 18, 2015
Chemistry – Cell Notation
Enter the balanced chemical equation including states that describes the electrochemical cell that is represented by the cell notation as shown. Pt(s) | F-(aq) | F2(g) || Cl-(aq), AuCl4-(aq) | Au(s) I’m having trouble balancing this… I get AuCl4- + 2F-

asked by Kay on May 26, 2009

cell notation
Given the balanced net ionic equation Zn(s) + 2H^+(aq) Zn^2+(aq) + H2(g) would the cell notation be: Zn|Zn^2+||2H^+|H2 (i’m not sure if hydrogen gas should be in the cell notation)

asked by Sara on May 20, 2015
chemistry
The reaction described by the equation Zn + Hg2Cl2 2Hg +Zn+2 + 2Cl is run on electrochemical cell. The E^0 of the cell at 25 degrees C is 1.03V. In the same cell, [Cl-]=.10 M and [Zn+2] is unknown, and the measured cell voltage is 1.21V. Compute the value

asked by Dylan on April 12, 2012
chemistry
Write the half reaction and balanced equation for: Cl2(g) + H2(g) -> HCl(aq) so I got: 2e- + Cl2(g) -> 2Cl- H2(g) -> 2H+ + 2e- so Hydrogen is oxidized and Chlorine is reduced so for cell notation I put: Pt(s)|H2(g)|H+(aq)||Cl2(g)|Cl-(aq)|Pt(s) but the

asked by Hugh on May 19, 2013
Chemistry
“A voltaic cell is constructed by immersing a strip of sillver metal in a 1.0 MAgNO3 solution and a strip of cadmium metal in a 1.0M Cd(NO3)2 solution. The circuit is completed by a wire and a salt bridge in the usual way. a. Write the balanced overall

asked by todd on March 10, 2011
Gen Chemistry
What is the balanced chemical equation for the galvanic cell reaction expressed using shorthand notation below? Al(s)|Al3+(aq)||Ni2+(aq)|Ni(s)

asked by Bab aba on April 18, 2010
Chemistry
Consider the following electrochemical cell: Al(s) | Al^3+(aq)(0.155 M) || H^(aq) (0.00233 M), MnO4^-(aq)(0.0377 M), Mn^2+(aq) (0.0168 M) | C (graphite) Write a balanced equation for the redox reaction taking place in this cell. i am having trouble with

asked by Anonymous on April 17, 2017
chemistry
write a balanced net ionic equation for the overall reaction represented by the cell notation below. Pt/ Fe2+, Fe3+ // I-/AgI/Ag

asked by Lana on May 12, 2013
Chemistry
Design an electrochemical cell using Pb(s) and Mn(s) and their solutions to answer the following questions. I just want to see if my answers are correct. I drew the cell already. Thanks 1. Give the line notation for this electrochemical cell. Mn(s) ∣

asked by Amanda on March 13, 2010
chemistry

  1. what would happen to the the cell potential in a voltaic cell if the salt bridge lost contact with one of the solutions? 2. would a reaction occur if solid tin was placed in a solution of copper II nitrate? If so, write the balanced net ionic equation

asked by Anonymous on May 19, 2015
Chemistry
Help please!!! Complete the two reduction half reactions for the cell shown at the right, and show the line notation for the cell by dragging labels to the correct position. (The electrode on the left is the anode, and the one on the right is the cathode.)

asked by shanonn on May 6, 2013

Chemistry DR BOB
Under standard conditions of 1 atm and 298.15K, the half-cell reduction potential E,zero for the anode in a voltaic cell is 0.37V. The half-cell reduction potential E,zero for the cathode of the cell is 0.67V. The number of moles, n, of electrons

asked by Brooke on March 16, 2016
Science
Assume that you have a cell that has a Zn^2+ concentration of 0.0335M and Ag^+ concentration of 0.0012M. The cell temperature is 35.0 degrees Celsius. Find the cell potential and give the cell notation of the cell.

asked by Jenna on September 15, 2018
ap chemistry
A voltaic cell made of a Cr electrode in a solution of 1.0 M in Cr 3+ and a gold electrode in a solution that is 1.0 M in Au 3+ . a) Provide the half cell reactions for each of the electrodes. b) Which is the anode and which is the cathode? How did you

asked by megan on April 17, 2012
Chemistry
A voltaic cell is based on the reduction of Ag^+(aq) to Ag(s) and the oxidation of Sn(s) to SN^2+(aq). Write half-reactions for the cell’s anode and cathode, and write a balanced cell reaction.

asked by Amanda on November 9, 2010
CHEMISTRY
The half-cell, Tl | Tl+(1 mol L-1), is connected to a Pt | H+ | H2(1 atm) half-cell in which the concentration of H+ is unknown. The measured cell voltage is 0.0841 V and the Pt | H2 | H+ half-cell is the cathode. Standard reduction potentials are given on

asked by sabrina: Anyone know how to answer this? on November 28, 2012
CHEMISTRY
The half-cell, Tl | Tl+(1 mol L-1), is connected to a Pt | H+ | H2(1 atm) half-cell in which the concentration of H+ is unknown. The measured cell voltage is 0.0841 V and the Pt | H2 | H+ half-cell is the cathode. Standard reduction potentials are given on

asked by sabrina on November 27, 2012
CHEMISTRY
The half-cell, Tl | Tl+(1 mol L-1), is connected to a Pt | H+ | H2(1 atm) half-cell in which the concentration of H+ is unknown. The measured cell voltage is 0.0841 V and the Pt | H2 | H+ half-cell is the cathode. Standard reduction potentials are given on

asked by sabrina: Can someone please help! on November 28, 2012
analytical chemistry
Shown below is a diagram of an electrochemical cell. Write the shorthand, or schematic, notation for this cell

asked by yara on May 4, 2013
chemistry
A certain voltaic cell has a standard cell voltage of 1.22 V, and 3 electrons are transferred in the overall cell reaction. What is the value of the thermodynamic equilibrium constant for this cell reaction at 298K?

asked by will on March 15, 2011
AP CHEMISTRY
A solution is prepared in which a trace or small amount of Fe2+ is added to a much larger amount of solution in which the [OH-] is 1.0 x 10^-2 M. Some Fe(OH)2 precipitates. The value of Ksp for Fe(OH)2 = 8.0 x10^-10. A. Assuming that the hydroxide is 1.0 x

asked by DAN on April 11, 2012

Functions/Logarithims
Energy is needed to transport a substance from outside a living cell to inside the cell. This energy is measured in kilo calories per gram molecule, and is given by E = 1.4 log (C1) / (C2 where C1 represents the concentration of the substance outside the

asked by Steph on March 8, 2012
chemistry
consider the following electrochemical cell: Pt(s) | Hg2^2+ (0.250M), Hg^2+ (0.800M) || MnO4^-(0.650M), H^+ (1.00M), Mn^2+ (0.375M) | Pt(s) Using the half-reaction method, write a balanced chemical equation for the electrochemical cell.

asked by Help Please!!!! on August 26, 2018
college chemistry
A galvanic cell is constructed with a silver-silver chloride electrode, and a nickel strip immersed in a beaker containing 4.97 x 10-2 M solution of NiCl2. Determine the balanced cell reaction and calculate the potential of the cell. in volts, assume a

asked by jasmin on April 13, 2011
chemistry 2
A voltaic cell is constructed with an Ag/Ag+ half-cell and a Pb/Pb2+ half-cell. Measurement shows that thesilver electrode is positive. -Write balanced half-reactions and the overall spontaneous reaction.

asked by anonymous on April 27, 2012
ChemISTRY (WEBWORK)
A student measures the potential for cells containing A+B+and C+ ions and their metals and records his data in the table below: …………. Overall Reaction …………….Potential (V) Cell#1”””’A(s) A+(aq) B+(aq) B(s)””””””0.90

asked by laila on July 14, 2010
Chemistry
A galvanic cell is constructed with a silver-silver chloride electrode, and a nickel strip immersed in a beaker containing 7.44 x 10-2 M solution of NiCl2. Determine the balanced cell reaction and calculate the potential of the cell. Enter in volts.

asked by Kayla on May 2, 2012
Chemistry
Write the equations describing the electrode reactions and the net cell reaction for this electrochemical cell containing tin and silver: Sn(s)|Sn2 (aq)||Ag (aq)|Ag(s) what is the equation for cathode, anode, and net cell reaction

asked by Katie on February 27, 2012
Chemistry
Write the equations describing the electrode reactions and the net cell reaction for this electrochemical cell containing tin and silver: Sn(s)|Sn2 (aq)||Ag (aq)|Ag(s) what is the equation for cathode, anode, and net cell reaction

asked by Katie on February 27, 2012
AP Biology
A biologist measured the amount of DNA in several single diploid cells taken from a culture. He knew that these cells could divide mitotically, but not meiotically. His data is shown below: Cell Number and DNA content in micrograms: Cell 1 (11.1

asked by Anonymous on March 12, 2011
AP CHEMISTRY
A solution is prepared in which a trace or small amount of Fe2+ is added to a much larger amount of solution in which the [OH-] is 1.0 x 10^-2 M. Some Fe(OH)2 precipitates. The value of Ksp for Fe(OH)2 = 8.0 x10^-10. (A) Assuming that the hydroxide is 1.0

asked by DAN on April 11, 2012

Chemistry
Consider the following unbalanced equation. H1+(aq) + Fe(s) H2(g) + Fe2+(aq) What is the balanced oxidation half-reaction? What is the balanced reduction half-reaction? What is the balanced overall cell reaction?

asked by Mel on June 8, 2012
chemisry
Two half cells in a galvanic cell consist of one iron electroide in a solution of iron sulphate and a silver electrode in a silver nitrate solution a) Assume that the cell is operating as a galvanic cell. State the oxidation half reaction, the reduction

asked by Kelsey on August 25, 2010
Chemistry
1) Assume that the reference half-cell is changed to a standard mercury-mercury (II) half-cell. a) What would be the reduction potential of a standard chlorine half-cell. c) What would be the cell potential of a standard chlorine-nickel cell. 2) For each

asked by Anonymous on March 5, 2008
Chemistry
1) Assume that the reference half-cell is changed to a standard mercury-mercury (II) half-cell. a) What would be the reduction potential of a standard chlorine half-cell. c) What would be the cell potential of a standard chlorine-nickel cell. 2) For each

asked by Alex on March 5, 2008
Bio
A biologist measured the amount of DNA in several single diploid cells taken from a culture. He knew that these cells could divide mitotically, but not meiotically. His data is shown below: Cell Number and DNA content in micrograms: Cell 1 (11.1

asked by Katrina on March 6, 2014
AP BIO

  1. A biologist measured the amount of DNA in several single diploid cells taken from a culture. He knew that these cells could divide mitotically, but not meiotically. His data is shown below: Cell Number and DNA content in micrograms: Cell 1 (11.1

asked by Tom on March 14, 2010
AP Chemistry
This is the question I am having trouble with: A voltaic cell consists of a strip of lead metal in a solution of Pb(NO3)2 in one beaker, and in the other beaker a platinum electrode is immersed in a NaCl solution, with Cl2 gas bubbled around the electrode.

asked by Sarah on April 20, 2015
Chemistry
Calculate the cell potential for the following reaction as written at 25.00 °C, given that [Zn2 ] = 0.842 M and [Ni2 ] = 0.0100 M. Standard reduction potentials can be found here. reaction: Zn(s)+Ni^2+(aq)—>Zn^2+(aq)+Ni(s) standard reduction Zn: -.76

asked by Sophie on May 4, 2014
chemistry
Write the equations describing the electrode reactions and the net cell reaction for this electrochemical cell containing indium and cadmium: This is what I have so far: anode: In(s) –> In^3+ + 3e- cathode: Cd^2+ + 2e- –> Cd (s) Need help writing the

asked by Lexi on April 14, 2013
Chemistry
A galvanic cell is composed of these two half-cells, with the standard reduction potentials shown: Cu2+(aq) + 2 e- —->Cu(s) +0.34volt Cd2+(aq) + 2 e- —->Cd(s) -0.40volt What is the standard free energy change for the cell reaction of this galvanic

asked by Zayn on April 16, 2015

chemistry
What is the correct balanced redox reaction for the cell shown below?Fe(s) | Fe2+(aq) || Co2+(aq) Co3+(aq) | Pt

asked by Anonymous on February 1, 2011
chem
consider the cell Pt(s)I H2 (g. 0.100 bar)I H+ (aq, pH= 2.54)IICl^- ( aq, 0.200 MI Hg2Cl2(S)IHg (l)IPt(s) a. write a reduction reaction and nernst equation for each half- cell. For the Hg2Cl2 half reaction, E^0 = 0.268 V b. Find E for the net cell reaction

asked by katya on November 16, 2008
chemistry
Answer the following questions based on the following electrochemical reaction: Al(s) + Cu 2+(aq) Cu(s) + Al3+ (aq) Write the balanced chemical equation for this cell. I’m confused.. how would this be balanced?

asked by shannon Ortiz on April 16, 2017
chemistry
The electrochemical cell described by the cell notation has a standard cell potential of -0.35 V. Calculate the Wmax (kJ) the cell has done if 1893.5 g of MnO42-(aq) (Molar Mass – 118.94 g/mol) forms. Round your answer to 3 significant figures. Pt(s) |

asked by eng on June 4, 2010
chemistry
an electrochemical cell uses Al and Al+3 in one compartment and Ag and Ag+ in the other write a balanced equation for the rxn that will occur spontaneously in this cell would that just be Al + Al+3 + 2e –> Ag + Ag+ ?

asked by erin on January 18, 2009
SCIENCE
The organization of a cell could be compared to a small city. All of the organelles inside of the cell have a specific purpose that helps the cell to function properly. Which BEST represents the function of the cell wall? A) Policeman B) Sanitation worker

asked by PLZ HELP on September 7, 2017
chemistry
A voltaic cell is made with aluminum and zinc electrodes. (For Ag+(aq) + e- → Ag(s), E0 = 0.80 V and for Cu2+(aq) + 2e- → Cu(aq), E0 = 0.34 V)On the diagram below, draw and label: the salt bridge, the electrical connection between the two jars, the

asked by Anonymous on April 27, 2012
Chemistry
A galvanic cell is made with aluminum and zinc electrodes. (For Ag^+(aq)+(e^-)—>Ag(s), E=0.80 V and for Cu^2+(aq)+(2e^-)—>Cu(aq), E=0.34 V) Write the standard cell notation for this cell. Wouldn’t it be silly to use the potentials for copper and silver

asked by Aubrey on June 17, 2007
chemistry
A voltaic cell consists of a standard hydrogen electrode in one half-cell and a Cu/Cu2+ half-cell. Calculate [Cu2+] when E cell is 0.070 V. NOTE::::::::::::::::::::ANSWER IN SCTIENTIFIC NOTATION PLEASE!!! thank you!

asked by Dalton on November 20, 2015
chemistry(check my steps)
The electrochemical cell described by the cell notation has a standard cell potential of -0.35 V. Calculate the Wmax (kJ) the cell has done if 1893.5 g of MnO42-(aq) (Molar Mass – 118.94 g/mol) forms. Round your answer to 3 significant figures. Pt(s) |

asked by eng on June 3, 2010

science
Assignment says label the parts of a plant cell. I’m blind so I’m going to write the names and put their functions. Cell wall, strenghthens the cell. vacuole is where the cell sap is produced. cell membrane is on outside on the cell. It controls what goes

asked by Claire on October 21, 2009
Inorganic chemistry
E naught cell for the following galvanic cell is +0.254V Hg2^2(aq)+2I^-(aq) ==> 2 Hg(l) + I2(s) What is delta G naught for this reaction? Delat G naught = -nFEnaught n = the number of moles of electrons transferred between oxidizing and reducing agents as

asked by Steve on April 14, 2009
science
When a beta particle strikes a living cell, __? A. the beta bounces off B. the cell is not affected C. the cell may cease to function D. it causes the cell to split E. a chain reaction occurs c

asked by pam on September 12, 2010
science
When a beta particle strikes a living cell, __? A. the beta bounces off B. the cell is not affected C. the cell may cease to function D. it causes the cell to split E. a chain reaction occurs c

asked by pam on September 12, 2010
Biology
Multicellular organisms use a variety of communication methods to coordinate cell function. Choose ONE of the following examples below and describe the cell-to-cell communication that occurs, and then describe the types of responses that result from this

asked by nan on March 10, 2016
Biology
Multicellular organisms use a variety of communication methods to coordinate cell function. Choose ONE of the following examples below and describe the cell-to-cell communication that occurs, and then describe the types of responses that result from this

asked by nan on March 4, 2016
College Chemistry
For the reaction that occurs in the voltaic cell Fe(s)|Fe2+(aq)||Cr3+(aq),Cr2+(aq)|Pt(s) use data from Appendix D in the textbook to answer the following questions: a)Determine the equation for the cell reaction b)Determine E0 cell c)Determine ΔG0

asked by Brandon on May 17, 2015
chemistry- electrochemical cell
What makes this an oxidation-reaction? 3Ag2S+2Al(s) -> Al2S3+6 Ag(s)? Write the half-reactions showing the oxidation and reduction reactions. Identify which is the oxidation reaction and which is the reduction reason. What is oxidized in the reaction? What

asked by princess on March 25, 2012
Chemistry
ok i need to figure out how a balanced reaction of a fuel cell would look like. you know a source of hydrogen power. http://auto.howstuffworks.com/fuel-cell.htm

asked by ana on March 4, 2007
medicine
What is the main difference between a stem cell and a cancer cell? A. A stem cell grows at a faster rate than a cancer cell B. A stem cell obeys signals to stop growth, but a cancer cell doesn’t C. A stem cell is usually external; a cancer cell is usually

asked by Beth on August 7, 2010

grade 12 chemisstry
I have no idea what I’m doing here, please help. 2 half cells in a galvanic cell consist of one iron Fe(s) electorde in a solution of iron (II) sulphate FeSO4(aq)and a silver Ag(s) electrode in a silver nitrate solution, a)state the oxidation half

asked by Sarah H on June 3, 2008
Math
If you were a biologist counting very large numbers of cell as part of your research, give several reasons why you might prefer to record your cell counts in scientific notation instead of standard notation?

asked by Tisy on September 2, 2015
Chemistry
Consider a chromium-silver voltaic cell that is constructed such that one half-cell consists of the chromium, Cr, electrode immersed in a Cr(NO3)3 solution, and the other half-cell consists of the silver, Ag, electrode immersed in a AgNO3 solution. The two

asked by TP on May 12, 2014
AP CHEMISTRY
A voltaic cell is constructed that uses the following half-cell reactions. Cu+(aq) + e− -> Cu(s) I2(s) + 2 e− -> 2 I−(aq) The cell is operated at 298 K with [Cu+ ] = 2.7 M and [I− ] = 2.7 M. (a) Determine E for the cell at these concentrations. (b)

asked by MIKE on April 6, 2012
AP CHEMISTRY
A voltaic cell is constructed that uses the following half-cell reactions. Cu+(aq) + e− -> Cu(s) I2(s) + 2 e− -> 2 I−(aq) The cell is operated at 298 K with [Cu+ ] = 2.7 M and [I− ] = 2.7 M. (a) Determine E for the cell at these concentrations. (b)

asked by DAN on April 14, 2012
AP Chemistry
A voltaic cell is constructed that uses the following half-cell reactions. Cu+(aq) + e- Cu(s) I2(s) + 2 e- 2 I -(aq) The cell is operated at 298 K with [Cu+ ] = 2.3 M and [I – ] = 3.3 M. (a) Determine E for the cell at these concentrations. (b) If [Cu+ ]

asked by Brittany on April 16, 2012
AP Chemistry
A voltaic cell is constructed that uses the following half-cell reactions. Cu+(aq) + e- Cu(s) I2(s) + 2 e- 2 I -(aq) The cell is operated at 298 K with [Cu+ ] = 2.3 M and [I – ] = 3.3 M. (a) Determine E for the cell at these concentrations. (b) If [Cu+ ]

asked by Brittany on April 16, 2012
Chem 152
Given the measured cell potential, E cell is -0.3603 V at 25°C in the following cell, calculate the H+ concentration Pt(s)|H2(g,0.713 atm)|H+(aq, ? M)||Cd2+(aq 1.00 M)|Cd(s) The balanced reduction half-reactions for the cell, and their respective standard

asked by Mo on December 12, 2018
Chemistry/Electrochem
Consider a cell at 299K: line notation Fe-Fe2+(1.39)–Cd2+(2.35)-Cd Given the overall standard reduction potential of the cell is -0.038. What will the concentration of the Cd2+ solution be when the cell is dead?

asked by Andres on October 1, 2012
Chemistry
A chemist wishes to determine the concentration of CrO4-2 ions electrochemically. A cell is constructed consisting of saturated calomel electrode (SCE) and a silver wire coated with Ag2CrO4. The SCE is composed of mercury in contact with a saturated

asked by jake on May 28, 2008

chemistry
Write a balanced chemical equation for the overall cell reaction represented as: a) Ag(s)|Ag^+(aq)||Sn^4+(aq), Sn^2+(aq)|Pt(s) b) Al(s)|Al^3+(aq)||Cu^2+(aq)|Cu(s) c) Pt(s)|Fe^2+(aq), Fe^3+(aq)||MnO4^-(aq),Mn^2+(aq)|Pt(s)

asked by Jazmin on March 1, 2011
chemistry
Write a balanced chemical equation for the overall cell reaction represented as: a) Ag(s)|Ag^+(aq)||Sn^4+(aq), Sn^2+(aq)|Pt(s) b) Al(s)|Al^3+(aq)||Cu^2+(aq)|Cu(s) c) Pt(s)|Fe^2+(aq), Fe^3+(aq)||MnO4^-(aq),Mn^2+(aq)|Pt(s)

asked by Jazmin on March 1, 2011
Chemistry
Pt(s)| Fe^3+ (aq, .1M), Fe^2+ (aq, 1M)|| Fe^3+ (aq, ?M), Fe^2+ (aq, .001M)| Pt(s) A.) Write anode reaction B.) Write cathode reaction D.) If E= .14V for this cell, calculate conc. of Fe^3+ on the right half of the cell E.) What is the max amount of work

asked by lawerence on May 5, 2015
Chemistry II
For the cell Fe(s)©¦Fe2+(aq)¨UO2(g)©¦H+(aq), H2O(l)©¦Pt(s) Indicate a) standard cell potential; b) overall cell reaction c) number of electrons transferred

asked by Rebecca on May 3, 2011
chemistry
A galvanic cell with e o cell = 0.30 v can be constructed using an iron electrode in a 1.0 m fe(no3)2 solution, and either a tin electrode in a 1.0 m sn(no3)2 solution, or a chromium electrode in a 1.0 m cr(no3)3 solution even though sn2+/sn and cr3+/cr

asked by wallace on August 12, 2018
ap chemistry
a cell is based on the following reaction Fe(s)+2Fe+3(aq) —–> 3Fe+2 (aq) E cell= 1.18 V. Calculate the concentration of iron (II), in M, if the cell emf is 1.28 V. when [Fe^(3+)]= 0.5 M the answer is 0.047 M

asked by Anonymous on May 25, 2015
Chemistry
Electrochemisry. Candy Chemist wishes to determine the concentration of CrO4^2- by electrochemical means in solution, and subsequently the Ksp of Ag2CrO4. She sets up one half-cell comprised of the Ag+|Ag couple (E=+0.799V) and a second half-cell in which

asked by KRH on April 28, 2016
chemistry
A voltaic cell is contructed in which a copper wire is placed in a 1.0 M Cu(NO3)2 solution and a strip of gold i placed in a 1.0 M AuNO3 solution. The measured potential of the cell is found to be 1.36V and the copper electrode is negative. The Ered for

asked by Mark on July 17, 2010
chemistry
I did a lab using an electrochemical cell to establish a relationship between cell potential and concentration. I derived two equations from lines of best fit. One is Cell potential of Ag vs. Cu Concentration: y = -0.04520x+0.5515. The other is cell

asked by Morgan on November 10, 2010
chemistry
A chemist wishes to determine the concentration of CrO4-2 ions electrochemically. A cell is constructed consisting of saturated calomel electrode (SCE) and a silver wire coated with Ag2CrO4. The SCE is composed of mercury in contact with a saturated

asked by Tom on May 27, 2008

Chem
The galvanic cell described by the cell notation has a standard emf (electromotive force) of 4.05 V. Calculate the value (kJ) for the ΔG˚ of the cell. Round your answer to 3 significant figures. Mn(s) l Mn2+(aq) ll F2(g) l F-(aq) l Pt(s) St. Red. Pot.

asked by Jess on November 14, 2011
Science 7R Q2
What is the difference between a plant cell and an animal cell? a. plant cell have cell wall a animal cell don’t b. a plant cell have cholroplast and a animal cell don’t c. plant cell have a huge vacuole and a animal cell have a small vacuole d. animal

asked by Laruen on January 16, 2012
Chemistry
The voltaic cell described by the cell notation has a standard emf (electromotive force) of 0.94 V. Calculate the value (J) for the maximum electrical work that the cell can do under standard conditions. Round your answer to 3 significant figures. Pt(s) /

asked by Roger on December 3, 2010
algebra
The size of a certain cell is 2.5 × 10–9 m. Another cell is 1.5 × 103 times larger. How large is the larger cell in scientific notation?

asked by Destiny on August 10, 2011
Chemistry
Consider the voltaic cell illustrated in the figure, which is based on the cell reaction: Zn(s)+Cu^2+(aq) -> Zn^2+(aq)+Cu(s) Under standard conditions, what is the maximum electrical work, in joules, that the cell can accomplish if 52.0g of copper is

asked by Steven on April 16, 2012
Chemistry
Consider the voltaic cell illustrated in the figure, which is based on the cell reaction: Zn(s)+Cu^2+(aq) -> Zn^2+(aq)+Cu(s) Under standard conditions, what is the maximum electrical work, in joules, that the cell can accomplish if 52.0g of copper is

asked by Steven on April 16, 2012
chemistry
A voltaic cell can be built using the reaction between Al metal and O2 from the air. If the Al anode of this cell consists of 65 g of aluminum, how many hours can the cell produce 1.5 A of electricity, assuming an unlimited supply of O2?

asked by maddie on October 18, 2015
SCI
Hypothetically speaking, I placed a cell in a glass of water and after about a day the cell grew in size. Why did the cell grow? Well I was thinking this: The reason the cell grew was because there was a higher concentration of water outside of the cell

asked by Lena on September 23, 2008
Science- Cells
2 adjectives to describe each cell- nerve cell muscle cell bone cell and blood cell

asked by Anonymous on January 28, 2017
science
A student observed two different types of cells under a microscope. She noticed that one cell had many more mitochondria than the other. What can the student predict about the cell with more mitochondria? A. The cell produces more waste. B. The cell makes

asked by Anonymous on February 27, 2012

science
A student observed two different types of cells under a microscope. She noticed that one cell had many more mitochondria than the other. What can the student predict about the cell with more mitochondria? A. The cell produces more waste. B. The cell makes

asked by Anonymous on February 27, 2012
Science
A student observed two different types of cells under a microscope. She noticed that one cell had many more mitochondria than the other. What can the student predict about the cell with more mitochondria? A. The cell produces more waste. B. The cell makes

asked by Mrs. Sue can you please answer this question on February 27, 2012
chemistry- DrBob
summarize part a ( the data i showed you) in a data table containing heading: anode, cathode, overall cell reaction, and cell potential . for each cell combination, write the anode half reaction, the cathode half reaction, the overall reaction in the cell

asked by amy on May 16, 2008
Chem
Calculate the reaction quotient Q,for the cell reaction.The measured cell voltage is given.balane the chemical equation by using the smallest whole number coefficients. (a) Pt(s)Sn4+(aq),Sn2+(aq)||pb2+(aq),pb2+|C(graphite)(s) -E=+1.33V

asked by Prisca on February 10, 2013
Science
A student observed two different types of cells under a microscope. She noticed that one cell had many more mitochondria than the other. What can the student predict about the cell with more mitochondria? A. The cell produces more waste. B. The cell makes

asked by Kate on February 27, 2012

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