1. Chem Check Please!!!

    If an octahedral iron(II) complex is diamagnetic, which of the following sets of conditions best describes the complex? a. low-spin, Delta 0 small b. low-spin, Delta 0 large c. high-spin, Delta 0 small d. high-spin, Delta 0 large e. none of these Answer C

    asked by Anonymous on May 6, 2014
  2. Chemistry

    Got another practice question but I'm really stumped on this one: If the [ZnCl4]^2- ion is diamagnetic what must its structure be and why - octahedral, tetrahedral or square planar? I know that diamagnetic means that all its electrons are paired and that

    asked by Miaow on May 13, 2012
  3. College Chemistry Lab

    The absorbance of a 6.3x10^-5M solution of an iron complex was measured to be 0.328 at the optimum wavelength. A second solution of the iron complex has an absorbance of 0.833 measured under identical conditions. What is the molarity of the complex in the

    asked by L** on March 15, 2010
  4. Chemistry

    If you had this complex ion [CoCo3(NH3)4]^+, where the CO3^-2 is a bidentate ligand. what is the oxidation state of the cobalt and would this complex ion be octahedral or square planar.

    asked by Anonymous on May 13, 2009
  5. chemistry

    Really need help on figuring out the formula for Iron Complex. The question was: 4.0 g of ferrous ammonium sulphate, FeS04(NH4)2*SO4*6H20, is used. The oxalate is in excess, calculate the theoretical yield of the iron complex. I got the moles of ferrous

    asked by Nika on November 28, 2010
  6. chem

    is F2 +2 ion diamagnetic or paramagnetic? I think its diamagnetic because it loses 2 electrons and it still has no unpaired pairs...i think...thanks.

    asked by Kaylie on December 1, 2009
  7. Chemistry terms

    Match the terms with the correct definitions. 1. ligand 2. coordination compound 3. Lewis base 4. complex ion 5. bidentate ligand 6. octahedral complex a) a ligand that can form two bonds (donate two electron pairs) to a metal ion. b) a neutral compound

    asked by Adam on April 17, 2008
  8. Coordination Chemistry

    A particular metal ion octahedral complex has the same number of unpaired electrons (non-zero) whether the complex uses weak or strong field ligands. List several fourth period transition metal ions that could have this behavior. Also, if someone could

    asked by Alisha on December 1, 2012
  9. English

    Choose the term that best describes the underline term. 1. The toy "that Fido loves to chew" is made by hand. a. noun clause b. direct clause c. adverb clause d. adjective clause** Choose the term that describes the sentence shown. 1. If you fail to plan,

    asked by Aubree (Answer Check) on December 17, 2016
  10. Chemistry

    Based on its electronic configuration an atom of manganese would have________unpaired electrons and would be expected to be________. (a)3,paramagnetic (b)2;diamagnetic (c)0,diamagnetic (d)5,paramagnetic

    asked by Kayla on September 21, 2009
  11. English

    Choose the term that describes the type of sentence shown. If you are in line early, you'll be sure to get the best tickets. A.) compound-complex B.) complex C.) compound D.) simple I think it is C? John was late to dinner and I was late to the movies. A.)

    asked by Cassie on December 16, 2013
  12. chemistry - DrBob222

    For this question can u please explain steps 3 and 4 4.0 g of ferrous ammonium sulphate, FeS04(NH4)2 SO4 6H20, is used. The oxalate is in excess, calculate the theoretical yield of the iron complex. Can someone please show me how to calculate a question

    asked by eddy on November 15, 2010
  13. English

    1.) Choose the term that best describes the type of sentence shown. If you fail to plan, you plan to fail. a.) Simple. b.) Complex c.) Compound d.) Compound complex B 2.) Chose the term that describes the type of sentence shown. John was late to dinner and

    asked by Help! on January 13, 2016
  14. math-complex numbers

    Sketch the sets of complex numbers in the complex plane that satisfy the following: a) |z-1|=2 b) |z-3i|=2 c) |z-5+2i|=2 I'm not sure, but are you supposed to rearrange the whole thing to |z|=a+bi? So, part b would be |z|=2+3i.

    asked by Rin-chan-san on October 9, 2013
  15. Chemistry

    A d1 octahedral complex is found to absorb visible light, with the absorption maximum occcurring at 523 nm. a) Calculate the crystal-field splitting energy, Δ , in kJ/mol.

    asked by Jematormal91 on May 31, 2012
  16. chemistry

    How do you know when the complex ion is strong field or weak field when the arrangement is octahedral? How do you choose which is better?

    asked by Noorah on December 5, 2011
  17. English

    Identify the choice that best describes the underlined clause: Doves, WHICH ARE CONSIDERED SYMBOLS OF PEACE AND BEAUTY, are related to plain old pigeons. a. independent clause b. adjective clause*** c. adverb clause d. noun clause Which of the following

    asked by BUBBLES on December 10, 2015
  18. algebra 2

    A manufacturer produces a standard model and a deluxe model of a 13-in. television set. The standard requires 20 h of labor to produce, whereas the deluxe model requires 25 h. The labor available is limited to 300 h per week. In addition, the plant

    asked by saRa on November 4, 2009
  19. chemistry

    Ni(II) coordination compound in an octahedral arrangement. Determine exact formula of compound. Info given: 4.37x10-4 moles of complex in 425 mL of water. You find that 17.49 mL of .1000 M HCl is need to titrate.

    asked by tc on May 8, 2012
  20. SOC 313

    10. An important consideration of neurological conditions is that: (Points : 1) for many neurological conditions, available treatment is plentiful and directed mainly toward curing the disease. the rate of progression and degree of loss of functional

    asked by Ms P on March 17, 2013
  21. Science

    A magnet was placed near a pile that contained both iron and sulfur. The magnet was moved gradually closer to the pile. As it neared the pile, the magnet started attracting small pieces of iron from the pile. What best describes? A. Solution or iron and

    asked by Brianna on October 20, 2013
  22. chemistry

    what transition metal complex is responsible for transporting oxygen in our blood? Also, what is its structure? The transition metal (there are several transition series---I assume you are referring to the 3d transition metals) is iron. As to its sturcure,

    asked by Bob on April 17, 2007
  23. English

    Choose the term that describes the sentence shown. I was thinking about meeting Susan for dinner and then we could go shopping. a. compound*** b. simple c. complex d. compound-complex

    asked by Kaai97 on January 27, 2016
  24. English

    Choose the term that describes the type of sentence shown. The price of admission is a can of food or a child's toy. a. simple*** b. compound c. complex d. compound-complex

    asked by Kaai97 on January 27, 2016
  25. English

    Choose the term that describes the type of sentence shown. The Cause Club, which is a community service group, is holding a dance. a. simple*** b. compound c. complex d. compound-complex

    asked by Kaai97 on January 27, 2016
  26. ENGLISH HELP PLS

    Identify the choice that best describes the sentence. 5. More than 1,000 years passed before Copernicus proposed that the earth orbited the sun. (1 point) a. simple*** b. compound c. complex d. compound-complex *** = my answer

    asked by Chloe on November 14, 2016
  27. Language Arts

    Choose the term that describes the type of sentence shown. The senior class took a trip to Washington, D.C. and Annapolis for their research project. A Compound** B Simple C Complex D Compound-Complex If not A, I was thinking D.

    asked by Anonymous on December 26, 2017
  28. Business Math

    Being inventory of 12 sets of paints at a cost of $1.50 each. During the year the store purchased 4 sets at $1.60, 6 sets at $2.20, 6 sets at $2.50, and 10 sets at $3.00. By the end of the year, 25 sets were sold. Caculate the number of paint sets in stock

    asked by Jean on December 26, 2012
  29. English

    Choose the term that describes the type of sentence shown. The senior class took a trip to Washington, D.C. and Annapolis for their research project. A Compound B Simple C Complex D Compound-Complex I think its C Correct me if I am wrong.

    asked by Blaw on December 14, 2017
  30. INT 1111

    QUESTION 1 When using the OR logical operator to connect 2 conditions to create a complex Boolean expression, neither the first condition nor the second condition has to be true for the complex Boolean expression to be true. True False QUESTION 2 String

    asked by Tom on June 18, 2016
  31. Chemistry

    In a previous experiment, 0.800 g of the green complex iron salt was placed in an Erlenmeyer flask and heated with concentrated sulfuric acid until all oxalate ion was destroyed (CO2, SO2 and H2O are formed). Ferric ion (Fe3+) remained in solution and was

    asked by Sam on July 12, 2010
  32. Chemistry

    1 ml of 8.675x10^-3 M sodium salicylate was dispensed in a 100 ml volumetric flask, It was diluted to 100ml mark with acidified 0.02 M Iron (III) Chloride solution. What is the number of moles of Iron (III) Salicylate complex?

    asked by Emma on November 19, 2012
  33. Quick english help

    Please check & see if I classified these sentences as simple, complex, or compound correctly! 1. His tie is going to choke him unless we can get it off. (Is this a complex sentence?) 2. She laughed so hard until the teacher told her to stop. (Is this a

    asked by Anonymous on December 14, 2014
  34. computer science

    QUESTION 1 When using the OR logical operator to connect 2 conditions to create a complex Boolean expression, neither the first condition nor the second condition has to be true for the complex Boolean expression to be true. True False QUESTION 2 String

    asked by Tom on June 18, 2016
  35. Chemistry

    Select the options below that are correct for diamagnetism and paramagnetism. A) Most elements and some compounds are paramagnetic. B) Individual magnetic moments in paramagnetic substances cancel each other. C) Diamagnetism is observed as repulsion in a

    asked by Kay on December 1, 2010
  36. Chemistry

    Select the options below that are correct for diamagnetism and paramagnetism. A) Most elements and some compounds are paramagnetic. B) Individual magnetic moments in paramagnetic substances cancel each other. C) Diamagnetism is observed as repulsion in a

    asked by Angeleque on December 1, 2010
  37. Chemistry

    Construct a standard curve (absorbance vs. concentration) using the following results. A 5mL, 10mL, 15mL,20mL aliquot of 0.010M sodium salicylate solution was diluted to 100 mL in four different volumetric flasks with the Iron (III) chloride solution. The

    asked by Ati on October 16, 2015
  38. English

    Which of the following is a simple sentence? A. Many are called, but few are chosen B. A penny saved is a penny earned C. Fools rush in where angels fear to tread D. If at first you don’t succeed, try, try again 2. Which of the following is a compound

    asked by Aria on October 26, 2017
  39. Calculus & Vectors

    Sketch the sets of complex numbers that would satisfy the following equations. a) |z| > 3 b) z = bi how would the sketches look like?

    asked by Rayne on October 3, 2013
  40. English

    Indentify the choice that best describes the scentences. When I arrived at the office, I found that the principle was out; apparently, he had contracted the same sickness as half the school. A- simple B- compound C- complex D- compound complex* I'm pretty

    asked by Olive on January 9, 2018
  41. science

    Would iron be considered a substance or a mixture? How about blood? Iron is: http://en.wikipedia.org/wiki/Iron substance is a very general term: See definition 3: http://www.m-w.com/dictionary/substance Now blood is living tissue and as such very complex.

    asked by ???? on June 4, 2007
  42. English 10th grade

    Which of the following correctly describes this sentence? It looms menacingly over the road from the roof of a farmhouse, a flying reptile with a seven-foot wingspan. A. Simple B. Complex C. compound D. compound-complex I felt it was a simple sentence.

    asked by Jim on December 3, 2014
  43. chemistry

    The "Chemistry in Focus" segment A Magnetic Moment discusses the ability to levitate a frog in a magnetic field because electrons, when sensing a strong magnetic field, respond by opposing it. This is called diamagnetism. Atoms that are diamagnetic have

    asked by RILEY on October 12, 2010
  44. AP Chemistry

    A mineral crystallizes in a cubic closest packed array of oxygen ions with aluminum ions in some of the octahedral holes and magnesium ions in some of the tetrahedral holes. Deduce the formula of this mineral and predict the fraction of octahedral holes

    asked by Angel on November 17, 2009
  45. math

    Marvin Company has a beginning inventory of 12 sets of paints at a cost of $1.50 each. During the year, the store purchased 4 sets at $1.60, 6 sets at $2.50 and 10 sets at $3.00. By the end of the year, 25 sets were sold. Calculated (a) the number of paint

    asked by Anonymous on November 17, 2011
  46. math

    Sketch the sets of complex numbers that would satisfy the following equation: |z| > 3 Explain in detail how the graph will look like. Thanks.

    asked by Rinchan on October 11, 2013
  47. AP Chem

    Write the overall net-ionic reaction that occurs when iron (ii) hydroxide (Fe(OH)2, Ksp = 7.9 x 10^-15) is dissolved in a 0.500 M sodium cyanide solution forming a complex ion. (Fe(CN)6^4-, Kf = 7.7 x 10^36) Determine the value of the equilibrium constant

    asked by frank on March 26, 2017
  48. English

    Identify the structure used in each of the sentences below. 1. The hamburger came from Hamburg, Germany, and the hot dog came from Frankfurt. simple compound complex compound-complex 2. The idea of placing meat on a bun, however, came from the United

    asked by Fate on December 28, 2012
  49. Chemistry

    1) A Cobalt (II) ion has the electron configuration ____? and is ____? The answer choices were: [Ar] 3d5 4s2 diamagnetic [Ar] 3d7 paramagnetic [Ar] 3d5 4s2 para [Ar] 3d7 dia None of these I chose [Ar] 3d5 4s2 diamagnetic 2) Choose the corect statement

    asked by Hannah on November 2, 2011
  50. Chemistry

    In a previous experiment, 0.800 g of the green complex iron salt was placed in an Erlenmeyer flask and heated with concentrated sulfuric acid until all oxalate ion was destroyed (CO2, SO2 and H2O are formed). Ferric ion (Fe3+) remained in solution and was

    asked by Linda on May 7, 2007
  51. discrete math help please

    1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆ B ∪ C and B

    asked by Mary on February 25, 2014
  52. discrete math help please

    1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆ B ∪ C and B

    asked by Mary on February 26, 2014
  53. math help

    1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆ B ∪ C and B

    asked by Mary on February 27, 2014
  54. math

    1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆ B ∪ C and B

    asked by Mary on February 26, 2014
  55. math

    1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆ B ∪ C and B

    asked by Mary on February 27, 2014
  56. URGENT! discrete math help please

    1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆ B ∪ C and B

    asked by Mary on February 27, 2014
  57. math. Somebody help urgently please

    1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆ B ∪ C and B

    asked by Mary on February 27, 2014
  58. Somebody please help urgently!

    1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆ B ∪ C and B

    asked by Mary on February 27, 2014
  59. math

    1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆ B ∪ C and B

    asked by Mary on February 26, 2014
  60. math

    1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆ B ∪ C and B

    asked by Mary on February 27, 2014
  61. URGENT HELP WITH DISCRETE MATH PLEASE

    1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆ B ∪ C and B

    asked by Mary on February 27, 2014
  62. U.S History

    What where some complex conditions in the south during the recontruction era?

    asked by Attalah:) on November 9, 2010
  63. MTH 156

    The ratio of the distances a 7-iron and a 5-iron will drive a golf ball is 5 to 6. If a golfer averages 153 yards with a 7-iron, how far should he average with a 5-iron

    asked by Cluless on November 26, 2010
  64. algebra

    the discriminant of a quadratic equation is -5 which answers describes the number and type of solution of the equation? 2 complex solutions

    asked by jass on February 14, 2017
  65. LAL!

    are these complex sentence. if it is complex, and are the subordinate clause right are these right? the subordinate clause are in capital letters 1-IN THE 1950S the giants were the national league team from new york.( COMPLEX) 2- fans argued all the time

    asked by Sara! on May 12, 2010
  66. Algebra

    Observe the following sets and answer he quesions given below. A = The set of all residens in Mumbai. B = he set of all residens in Bhopal. C = he sets of all residents in Maharashtra. D = The sets of all residents in India. E = The sets of all residents

    asked by Ratan on June 17, 2010
  67. Chemistry

    The specfic heat of iron is 0.11cal/g C. The heat of fusion of iron, the heat required to convert iron from a solid to liquid at its melting point, is 63.7cal/g. Iron melts at 1530 C. How much heat must be added to 2g of iron at 25c to completely melt it?

    asked by Dan on March 15, 2013
  68. Science Check PLEASE

    put ** by the ones I thought correct Which of the following statements best describes the characteristics of a hypothesis, one of the steps of the scientific method? a)It is a possible answer to a scientific question *** b) It is a scientific inquiry that

    asked by billy on September 2, 2014
  69. Science Check answers please

    I put ** by the ones I thought correct Which of the following statements best describes the characteristics of a hypothesis, one of the steps of the scientific method? a)It is a possible answer to a scientific question *** b) It is a scientific inquiry

    asked by billy on September 2, 2014
  70. health

    Which of the following is true in regard to limited data sets? A.Patients must authorize the use of limited data sets. B. Those who receive limited data sets can pass them on witout restrictions. C. Limited data sets cant include a patiemts city, state,

    asked by janice on August 30, 2010
  71. allied health

    I want to say D. Not sure here Which of the following is true in regard to limited data sets? A. Patients must authorize the use of limited data sets. B. Those who receive limited data sets can pass them on without restrictions. C. Limited data sets

    asked by james on July 6, 2010
  72. allied health

    which of the following is true in regard to limited data sets> a. Patients must authorize the use of limited data sets. b. those who receive limited data sets can pass them on without restrictions c. limited data sets can't include a patient's city, state,

    asked by Anonymous on October 12, 2010
  73. Chem Check Please!!!

    In an octahedral complex, electrons in dz^2 and dx^2-y^2 orbitals experience a greater repulsion from the lone pairs of electrons on ligands because these orbitals a. contain more electrons than the other three d orbitals. b. each contain one unpaired

    asked by Anonymous on May 6, 2014
  74. Chemistry

    If I am titrating KMnO4 against a sample of Fe2+, but there is also I- in the sample which of the iron and iodine will be oxidised first? Unless something is present in the sample to complex the iodide ion, KMnO4 may titrate both. How are you titatrating

    asked by James on March 10, 2007
  75. college math for teachers

    Use the following sets to complete the givien statements in as many ways as possible. a= a,b,c,d b= e,f c=b,a,c,d d= 1,2,3,4 A. Sets _ and _ are not equivalent and not equal B. Sets _ and _ are not equivalent but are equal. C. Sets _and _ are equivalent

    asked by Sueann on January 10, 2010
  76. General chemistry ligand

    Hello. I have a question about ligands. How do you figure out how many ligands a central metal cation can have? For example, Cu^2+ and NH3. When they combine, it forms Cu(NH3)4^2+ Why does it form 4 ligands oppose to 6? A general rule, which isn't always

    asked by Steven on April 26, 2007
  77. Math (Algebra)

    If the sum of 3 non-zero distinct real numbers a, b, and c is 2, and the two sets {a,b,c} and {1/a,1/b,1/c} are the same, what is the value of a^2+b^2+c^2? Note: Two sets are the same if there is a one-to-one correspondence between their elements. For

    asked by Bob on May 6, 2013
  78. Chemistry

    I looked and could not find anything on iron smelting? Could you explain to me why it is a chemical process? Iron ore is a chemical compound, it has to be decomposed into iron + other. Surely you jest!!! I went to www.google.com and typed in Iron smelting

    asked by George on September 9, 2006
  79. Geography

    Which of the following most accurately describes the difference between climate and weather? (1 point) Climate refers to long-terms conditions; weather refers to daily conditions. Climate refers to severe weather events; weather refers to precipitation.

    asked by Christina on August 25, 2014
  80. Pre-Algebra

    Complete the sentence below. Scatter plots are used to look for a pattern of association, or trend, between ____________ A) one set of values. B) two sets of values. C) three sets of values. D) four sets of values. My Answer: B) two sets of values.

    asked by Wendy on March 25, 2013
  81. Calculus & Vectors

    Sketch the sets of complex numbers that would satisfy the following equations. a)z=2 b)|z|=2 c)(5,4) d)(sqrt2, -sqrt2) Also, please explain how to do it. Thanks.

    asked by Rayne on September 28, 2013
  82. English

    Which answer most accurately describes how the author introduces the three brothers in “The Lost Boys”? She describes them as frightened but determined to look tough. She describes them as overwhelmed but still taking care of themselves. She describes

    asked by Quinn on April 16, 2019
  83. Chemistry

    Need help on a lab results write-up. The lab is the synthesis and analysis of a transition metal complex. General reaction was stated as: Fe(III) + x(acac) -> Fe(acac)x - we were to determine x by completing experiment. x = 1, 2, 3, 4... acac = 2, 4

    asked by Leah on February 14, 2013
  84. chemistry

    Solud iron and steam react at high temperatures to form iron(vi) peroxide and hydrogen gas. How much solid iron is needed to obtained 405 grams of iron(vi) peroxide, with a 84.2% yield?

    asked by Junior on September 16, 2013
  85. chemistry

    Solud iron and steam react at high temperatures to form iron(vi) peroxide and hydrogen gas. How much solid iron is needed to obtained 405 grams of iron(vi) peroxide, with a 84.2% yield?

    asked by Junior on September 16, 2013
  86. Confidentiality Health

    Which of the the following statements is true in regard to limited data sets? A.Limited data sets contain some individual identifiers. B.Patients must authorize the use of limited data sets. C. Those who receive limited data sets can pass them on without

    asked by Brenna on February 21, 2012
  87. Physics help

    A blacksmith at a historical reenactment is making an iron hinge. after placing the iron (0.750 kg) in the fire and shaping it with his hammer it is still at 200 C. he puts the iron piece in an 8 L bucket of water at 25 C. what is the final temp. of the

    asked by Kimberly on November 13, 2014
  88. Physics help please

    A blacksmith at a historical reenactment is making an iron hinge. after placing the iron (0.750 kg) in the fire and shaping it with his hammer it is still at 200 C. he puts the iron piece in an 8 L bucket of water at 25 C. what is the final temp. of the

    asked by Kimberly on November 7, 2014
  89. chemistry

    Conductivity experiments indicate that tetraamminedichloropalladium (IV) chloride is composed of 3 moles of ions per mole of compound. When silver nitrate solution is added to a solution of the palladium compound, 2 moles of silver chloride per mole of

    asked by Anon on December 6, 2014
  90. Chemistry

    Iron ores have different amounts of iron per kilogram of ore. Calculate the mass percent composition of iron for each iron ore: Fe2O3{\rm Fe_2O_3} (hematite), Fe3O4{\rm Fe_3O_4} (magnetite), FeCO3{\rm FeCO_3} (siderite).

    asked by Ana on March 5, 2014
  91. math

    the ratio of the distances a 7-iron and a 5- iron will dirve a golf ball is 5 to 6. if a golfer averages 153 yards with a 7- iron, how far should he averages with a 5-iron?

    asked by Anonymous on September 26, 2010
  92. math

    Write the numbers in order of increasing size. 1/2,3/4,2/3,0.95 Convert to standard notation. 1.91 x 10-4 The ratio of the distances a 7-iron and a 5-iron will drive a golf ball is 5 to 6. If a golfer averages 153 yards with a 7-iron how far should he

    asked by anonymous on March 7, 2011
  93. 12th grade chemistry

    A piece of iron wire weighs 2.225g. It is dissolved in acid, which oxidizes the iron to iron(II), and made up to 250 mL. A 25mL sample required 31.0 mL of a 0.0185mol/L solution of potassium dichromate. Calculate the percentage of iron in the wire.

    asked by jerry on November 10, 2008
  94. chemistry 11 grade

    A piece of iron wire weighs 2.225g. It is dissolved in acid, which oxidizes the iron to iron(II), and made up to 250 mL. A 25mL sample required 31.0 mL of a 0.0185mol/L solution of potassium dichromate. Calculate the percentage of iron in the wire.

    asked by Farah on January 2, 2011
  95. english/check please

    Find the independent clauses and the dependent clauses.Write wether it is complex or compound-complex 1)Mr and Mrs Johnson play golf(ind) when the weather is warm.(dep)complex 2)What I would like is a vacation. independent,complex 3)Alicia works at the

    asked by joe on April 30, 2012
  96. Chemistry

    Iron is obtained from iron ore according to the following reaction: Fe2O3+CO---> Fe+CO2 (unbalanced). a. Assuming the blast furnace is 90.0% efficient in recovering the iron, what is the actual mass of iron obtainable from a ton of ore? b. What is

    asked by K on March 6, 2011
  97. chem

    In an experiment 4.0 g of ferrous ammonium sulphate, FeSO4.(NH4)2SO4.6H2O, is used. Since the oxalate in in excess, calculate the theoretical yield of the iron complex?

    asked by Anonymous on November 16, 2011
  98. Biology

    4.0 g of ferrous ammmonium sulphate, FeSO4(NH4)2SO4 6H2O, is used. Since the oxalate is in excess, calculate the theoretical yield of the iron complex. Please help with this question. Thank you.

    asked by Serena on November 16, 2010
  99. chemistry

    4.0 gram of ferrous ammonium sulphate, FeSO4*(NH4)2SO4 * 6H2O, is used. Since the oxalate is in excess , Calculate the theoretical yield of the iron complex

    asked by Anonymous on November 3, 2009
  100. chemistry

    4.0 gram of ferrous ammonium sulphate, FeSO4*(NH4)2SO4 * 6H2O, is used. Since the oxalate is in excess , Calculate the theoretical yield of the iron complex.

    asked by Anonymous on November 16, 2011