1. 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
  2. chemistry

    A sample of 45.1 g of methane gas (CH4(g)) has a volume of 6.20 L at a pressure of 2.90 atm. Calculate the temperature. Another one that I'm stumped on, last question for my practice exam, can you explain how to solve?

    asked by Jordan on November 4, 2016
  3. DrBob222-Questions

    Can you please check these for me. Thank you very much in return:-) For Al2(SO4)3 you gave me Aluminum ion and Sulfate ion. These are the rest: CaCl2 = Calcium ion and Chlorite ion Na2O = Sodium ion and Oxygen ion AgCl = silver ion and chlorine ion Na3PO4

    asked by Sara on April 20, 2010
  4. CHEM

    thank you VERY much for your replies, DrBob. Another question, however: How many moles of ions -both cations and anions- are present in solution when 0.75 mol of potassium chloride is dissolved in 0.25L of distilled water? How do I work this answer to be:

    asked by K on December 12, 2006
  5. Math

    Whats the solution of 2(h−8)−h=h−16? This has me stumped, can you also explain how to do this problem, so i can use that if i get stumped on another question?

    asked by Clorox on September 20, 2018
  6. Math

    Ok, i've got most of it done. But i'm stumped as of right now. Question: 1(0? idk..) ft ? in. = 30 in. Seriously stumped.

    asked by Delilah on May 2, 2017
  7. College Algebra

    Hi there. My professor gave my class the practice problems for our final exam. I am a little stumped on a few of them and just need someone to help jog my memory. If you have the time, could you show the steps so I can see where I went wrong and practice

    asked by Need Help on April 29, 2016
  8. Algebra

    Help! I am stumped on this one. Graph the equation 15x + 5y = 10 Thanks! I have been working on these practice problems for two hours and cannot figure this one out

    asked by slomo on January 6, 2015
  9. music

    how can i get better at piano without a teacher? It's the same answer as the New Yorker responded to this question: "How do I get to Carnegie Hall?" The answer: "Practice, practice, practice."

    asked by angela on September 15, 2006
  10. Chemistry

    What is the balanced net ionic equation for the reaction between the permanganate ion and the ferrous ion in acid solution. What is the number of moles of ferrous ion that could be oxidized by 1.2×10^-2 moles of permanganate ion? Honestly don't understand

    asked by Minset on October 4, 2015
  11. trig

    A planes actual resulting ground speed and direction are 550 mph and N26E. A wind is blowing from the northeast. If the pilot is holding a course of N27E how fast is the wind blowing I'm just stumped. It's an extra credit question is basically why I'm

    asked by John on September 16, 2014
  12. chemistry

    write the formula for and indicate the charge on each of the following ions: a) sodium ion b) aluminum ion c) chloride ion d) nitride ion e e)iron (II) ion f) iron (III) ion

    asked by john on February 28, 2008
  13. Chemistry

    What is the only positive ion found in H2SO4(aq)? a. ammonium ion b. hydronium ion c. hydroxide ion d. sulfate ion The answer's b, but I don't understand why.

    asked by danny123 on November 20, 2010
  14. chemistry

    Please judge my answer Question:A solution of AgNO3 (45 mL/0.45 M) was mixed with solution of NaCl (85 mL/1.35 x 10-2 M) a) Calculate the ion product of the potential precipitate. b) Would a precipitate form? The Ksp of AgCl(s) is 1.8 x 10-10. Answer: For

    asked by Abigail on April 15, 2008
  15. Physics (Electric fields and Coulomb's Law)

    I need help with this question please. An ion harvester is scouring deep space for isolated xenon (Xe+) ions. A xenon ion is singly ionized, and has a charge of +e. If the field meter reads 0.000000202 N/C, how far away is it from the ion? _________ m

    asked by Kathy on April 21, 2013
  16. Electric fields and Coulomb's law

    Please, I need help with this question. An ion harvester is scouring deep space for isolated xenon (Xe+) ions. A xenon ion is singly ionized, and has a charge of +e. If the field meter reads 0.000000202 N/C, how far away is it from the ion?

    asked by Kathy on April 21, 2013
  17. Chemistry

    Hi everyone, I have been trying to figure out this titration equation all day and for some reason I am stumped. Here is the question in full: Potassium hydrogen phthalate, KHP, can be obtained in high purity and is used to determine the concentrations of

    asked by jo on November 29, 2012
  18. chemistry help !!!!!!!!!!!!!!!!

    a)A N6+ ion in its ground state absorbs an X-ray photon of energy 2.0000 keV. Explain what happens to the ion and why. b)Explain why the nitrogen ion N6+ is a hydrogen-like ion. Assuming the ion is for the major stable isotope 14N, state which sub-atomic

    asked by john on March 10, 2013
  19. chemistry

    Which of these ions may be precipitated as sulfides? Assume neutral aqueous solution, pH=7. Silver (I) ion Sodium ion Calcium ion Lead (II) ion Manganese (II) ion Ammonium ion I think the silver I ion, lead II ion, and manganese ion may be precipitated as

    asked by Sarah on February 27, 2008
  20. Chem

    Which of these ions may be precipitated as sulfides? Assume neutral aqueous solution, pH=7. Silver (I) ion Sodium ion Calcium ion Lead (II) ion Manganese (II) ion Ammonium ion I think the silver I ion, lead II ion, and manganese ion may be precipitated as

    asked by Sarah on February 27, 2008
  21. Chemistry 102

    The Ksp for cerium iodate, Ce(IO3)3 is 3.2 e-10. What is the molar solubility of Ce ion in pure water? = .0019 M B) A 0.031 M sodium iodate is added as a common ion. What is the concentration of Ce ion with the common ion present? C) What is the ratio of

    asked by Nick on April 21, 2010
  22. Math

    At football practice, players do a 20-minute warm-up before starting their practice drills. After the practice drills, they do a 10-minute cool-down. The expression 20+d+10 describes the length of practice, where d is the number of minutes the practice

    asked by Bella on May 31, 2011
  23. Mathematics

    At football practice, players do a 20-minute warm-up before starting their practice drills. After the practice drills, they do a 10-minute cool-down. The expression 20+d+10 describes the length of practice, where d is the number of minutes the practice

    asked by HELP on June 1, 2011
  24. math

    At football practice, players do a 20-minute warm-up before starting their practice drills. After the practice drills, they do a 10-minute cool-down. The expression 20+d+10 describes the length of practice, where d is the number of minutes the practice

    asked by HELP ME PLSSSSSSSS on June 1, 2011
  25. Math

    At football practice, players do a 20-minute warm-up before starting their practice drills. After the practice drills, they do a 10-minute cool-down. The expression 20+d+10 describes the length of practice, where d is the number of minutes the practice

    asked by PLEASEEEE on June 1, 2011
  26. Chemistry AP

    This isn't quite an HW question, I'm needing any site that gives practice Free Response problems for equilibrium for AP Chemistry if there are any for study and practice.

    asked by Ethan on April 21, 2015
  27. Geometry B: Unit 3: Similarity Lesson5 Practice

    If you have done this please help me with just the practice question I have already done the quiz I just need help with the practice problems because they are in more detail.

    asked by Blair on March 4, 2016
  28. biochemistry

    I just wanted to clarify anwsers. Question 23. Nucleotides contain phosphate groups bonded to the.. A) C3' or c5' atoms B). C3 or C3' atoms C). N1 or N9 Atoms D). C3 or N9 atoms E). C3 or C5 atoms The anwser that I chosen in A. QUESTION 19. When the

    asked by james on October 2, 2009
  29. Physics

    I just wanted to clarify anwsers. Question 23. Nucleotides contain phosphate groups bonded to the.. A) C3' or c5' atoms B). C3 or C3' atoms C). N1 or N9 Atoms D). C3 or N9 atoms E). C3 or C5 atoms The anwser that I chosen in A. QUESTION 19. When the

    asked by james on October 1, 2009
  30. Chemistry

    Acetic acid ionizes in water as follows: CH3COOH + H2O CH3COO– + H3O+ Fewer than 1% of ethanoic acid molecules are ionized at any instant. The acetate ion (CH3COO– ) is therefore ____. A.a poor hydrogen-ion acceptor B.a good hydrogen-ion acceptor C.a

    asked by Cassie on February 12, 2013
  31. Chemistry

    A solution has a hydroxide-ion concentration of 7.48X10-5 M. What is it's hydronium-ion centration? I have no idea where to begin on this question...

    asked by Robby on February 18, 2013
  32. Chemistry

    My question is I need to change to symbol on sodium ion, \rm Na^+, followed by the formula of a sulfate ion, \rm SO_4{}^{2-} Its my first time in chemistry class.

    asked by Zulema on June 24, 2015
  33. Chemistry

    Suppose that you wanted to be sure that a metal ion, any metal ion, would dissolve in water. What salt of themetal ion compound would you choose? 1. the carbonate (CO2−3 ) salt of the metal ion 2. the hydroxide (OH−) salt of the metal ion 3. the

    asked by May on October 4, 2010
  34. chemistry

    The net ionic equations for the following 1. Dissolution of silver oxalate with nitric acid 2. Complexation of the iron(III) by the thiocyanate ion 3. Precipitation of the carbonate ion with barium ion 4. precipitation of the oxalate ion with barium ion 5.

    asked by Jake on November 30, 2010
  35. Chem

    i do not understand this question please will someome help me! 'The ion that makes solutions acidic is... H+ or NH4+ or NO3- or 02- or OH- Most acids contain, or produce, H^+, hydrogen ions. More technically, the hydronium ion.

    asked by sam on March 25, 2007
  36. Legal

    I have another question that's got me stumped... The question of amendments to indictments is now mostly regulated by A: Common Law B: Statute C: Local rules of court D: Code. I believe it's D but then again I can't decide it it might be B. Can you direct

    asked by Justie on April 13, 2008
  37. Chem

    Calculate the concentration of NH4+ from ammonium chloride required to prevent the precipitation of Ca(OH)2 in a liter of solution that contains .10 mol of ammonia ans .10 mol pf calcium ion. I got the two equations but I do not know where to begin. The

    asked by Anonymous on May 7, 2007
  38. chemistry

    Suppose that you wanted to be sure that a metal ion, any metal ion, would dissolve in water. What salt of the metal ion compound would you choose? 1. the hydroxide (OH−) salt of the metal ion 2. the carbonate (CO2− 3 ) salt of the metal ion 3. the

    asked by cheri on September 19, 2012
  39. Science/Standardized test

    How can I prepare for the science portion of a standardized test? There seem to be alot of practice question on anatomy and I never took that course. Are practice questions always similar to the real test?

    asked by Camron on April 18, 2008
  40. chem

    is NaCl ion dipole, or Ion Ion? my notes say ion ion but online it says ion dipole. Is NaOH2 hydrogen bond or Ion-Dipole? my class notes say ion dipole but it seems, to me, to be h-bond too.

    asked by RiChy on September 19, 2010
  41. chem

    is NaCl ion dipole, or Ion Ion? my notes say ion ion but online it says ion dipole. Is NaOH2 hydrogen bond or Ion-Dipole? my class notes say ion dipole but it seems, to me, to be h-bond too.

    asked by RiChy on September 19, 2010
  42. chem

    is NaCl ion dipole, or Ion Ion? my notes say ion ion but online it says ion dipole. Is NaOH2 hydrogen bond or Ion-Dipole? my class notes say ion dipole but it seems, to me, to be h-bond too.

    asked by RiChy on September 19, 2010
  43. chem

    is NaCl ion dipole, or Ion Ion? my notes say ion ion but online it says ion dipole. Is NaOH2 hydrogen bond or Ion-Dipole? my class notes say ion dipole but it seems, to me, to be h-bond too.

    asked by RiChy on September 19, 2010
  44. science

    Examine the scenario. A scientist wishes to discover whether dinosaurs were warm-blooded or cold–blooded. However, he cannot directly perform any measurements or experiments because dinosaurs are extinct. What aspects of scientific thinking can help him

    asked by Bri on October 28, 2018
  45. Chemistry

    My final exam is coming up so I am doing study guides to help me practice. I would really appreciate any help that is given. 1. The hydronium ion concentration for a solution is determined to be 4.5 x 10^-7 M. What is the concentration of the hydroxide

    asked by Studying on November 25, 2012
  46. Chemistry

    Given the concentration of either hydrogen ion or hydroxide ion, use the ion product constant of water to calculate the concentration of the other ion at 298K A. [H+]= 1.0*10^-4 B. [OH-]=1.3*10^-2 for A do you subtract 1.0*10^-14? and for B do you divide

    asked by Laverne on March 8, 2010
  47. AP CHEMISTRY

    The unit cells for most alkali metal halides are face-entered for both the cations and anions. In the case of NaCl the sodium ion is just a little too large for the chloride ions to touch each other along the face diagonal. The unit cell edge length is

    asked by Jake on January 24, 2008
  48. chemistry

    Hi there, ok, my question stated "Use information from acid/base table and the value of Kw t ocalulate the base ionization constant, Kb, of the following bases: a)hypochlorite ion b) nitrite ion c) benzoate ion I looked at my acid/base table but it only

    asked by Jay on April 8, 2008
  49. ap

    If aqueous hydrofluoric acid is reacted with sodium hydroxide, which of the following sub- stances are in the net ionic equation? 1. fluoride ion, hydronium ion, and water 2. hydrofluoric acid, sodium ion, hydroxide ion, and fluoride ion 3. hydrofluoric

    asked by cheri on October 1, 2012
  50. Chemistry

    What is the proper chemical formula for the perchlorate ion. Enter the formula by writing the formula followed by a comma and then any charge on the ion. For example: the carbonate ion, CO32- would be entered as CO3,2- (note the comma). Enter singly

    asked by girl1991 on April 12, 2008
  51. chemistry

    ClO3^-(aq)+3SO3^2- ¡÷ Cl^-(aq)+3SO4^2- 1) If the SO3^2- ion is disaapearing at rate of 0.458 mol/L*s, how fast is the Cl^- ion appearing? 2) if the after 10 minutes of reaction time, 1.09x10^-4 mole of Cl^- ion has been produced, how many moles of SO3^2-

    asked by Ken on September 1, 2015
  52. Physics

    A 12 kg wagon is being pulled at an angle of 38degrees above horizontal. What force is applied to the wagon if it accelerates from rest to a speed of 2.2 m/s over a distance of 3.4 m? I not sure how to do this question. Is work involved for this question.

    asked by I need Physics help on January 11, 2016
  53. Chemistry

    Currently studying for an lab exam. Just have a few question about a typical Iodine Clock reaction lab. In an typical Iodine Clock reaction lab what would be the state of effect of an increase in the initial concentration of persulfate ion and the increase

    asked by Ahmad M on February 17, 2013
  54. CHEMISTRY

    What is the intermolecular force that exists between a magnesium ion and a hydrogen sulfide? A dipole dipole b london dispersion c ionic bond d ion dipole e ion ion

    asked by THOMAS on December 9, 2011
  55. Math

    Can someone please help me with this question? I have tried to figure it out and I keep getting stumped. Use counters to model and find the product of 2(5). Thanks.

    asked by B.B. on July 2, 2009
  56. math

    can someone help me with this math question?Solve the system of equations given below. x+3z=12 -x-2y+z=10 3x+5y+2z=-7 I am really stumped. Please help! Thanks in advance!

    asked by Victoria on July 10, 2015
  57. Chemistry

    Any student is welcome to use this for extra practice and anyone is welcomed to amswed the question. Here is a couple of practice problems a) 2 N2O(g) + O2(g)  4 NO(g) B) H2(g) + CO2(g)  H2O(g) + CO(g) C) 4 HCl(g) + O2(g)  2 Cl2(g) + 2

    asked by Cole williams on August 3, 2015
  58. English

    1. the baseball players lost the game because they were out of practice. (What is the opposite of 'out of practice'? Is it 'in practice'?)

    asked by rfvv on October 3, 2012
  59. Chemistry

    The hydroperoxide ion, HO2– (aq), reacts with permanganate ion, MnO4– (aq) to produce MnO2 (s) and oxygen gas. Balance the equation for the oxidation of hydroperoxide ion to O2(g) by permanganate ion in a basic solution.

    asked by Onye on March 4, 2018
  60. chemistry

    Why does an iron ion attract a sulfide ion but not a zinc ion? The iron ion and the zinc ion are positive and don't attract each other. The sulfide ion is negative and is attracted both to the iron ion and to the zinc ion.

    asked by Alex on January 21, 2007
  61. Science 9

    Please help, i really don't understand what this question means, in what s Videos Maps News Gmail More Stephanie Chu order are ions named in an ionic compound: negative ion followed by positive ion or postive followed by negative. Please no links, i

    asked by Stephanie on November 18, 2011
  62. Socials

    Which strategy do you think would be more effective and why? Can someone please give me their opinions on this question, because honestly I'm kind of stumped.

    asked by Sara on November 28, 2009
  63. social studies

    There was a crossword puzzle in issue 24 of the N.C weekly reader...8 across and neither my child nor myself could find the answer, she answered all of the rest of the puzzle words, but this one stumped her and it did me as well, the question was, "N.C to

    asked by Lee on May 15, 2017
  64. Chemistry

    Which ion in the pair has greater charge density? Explain Choice. Magnesium ion or Barium ion

    asked by guy on December 8, 2014
  65. chemistry

    predict how many sodium ions would combine with: (a) a chlorine ion. (b) a carbonate ion. (c) a phosphate ion.

    asked by Hana on March 24, 2008
  66. Chemistry

    Name the complexes: [V(ox)(Cl)3]- [Cr(F)3(I)(H2O)2] Write the formula for each of the following coordination compounds. Diamminetetrahydroxochromte (II) ion Bisethylenediaminediiodomanganese (IV) ion I think the name for the first one is

    asked by Betty on November 16, 2011
  67. Science

    -Describe the zero sum rule -True of False: The formula for the nitride ion is N^(-3) -True of False: The stock system shows the charge on the negative ion Answer this Question

    asked by Al on October 1, 2014
  68. 2nd Law Physics

    You fashion a sling shot with a rather long and wide rubber band and practice hurling pebbles. You pull back on the center of the band with a force of 2.31 N. The angle between the two halves is 107°. What is the tension in the band? I get the gist of

    asked by Anna on September 28, 2015
  69. Biology

    Are proteins, lipids, starch, sugar, calcium (ion), iron (ion), and chlorine (ion) in blood plasma? if they are explain its function in the body.

    asked by Daniela on December 5, 2015
  70. Chemistry

    ClO- + I- → IO- + Cl- 1) What are the names of these ions? is it "The hypochlorite ion reacts with iodide ion to form iodate ion with chloride ion" ? 2) Write the general rate law (using the letters k for the rate constant, and n and m for the reaction

    asked by Ken on September 7, 2015
  71. chem 2

    which bronsted lowry acid has the strongest conguate acid? acetate ion flouride ion cyanide ion nitrate ion not flouride that's for sure

    asked by jay on April 29, 2007
  72. Algebra

    One question left for the night and i am stumped ... I need to find the sixth term of a geometric sequence in which a-sub-one = -7 and r = 3 .... Thanks in advance for you help!

    asked by MaryJo on December 12, 2012
  73. Algebra

    One question left for the night and i am stumped ... I need to find the sixth term of a geometric sequence in which a-sub-one = -7 and r = 3 .... Thanks in advance for you help!

    asked by MaryJo on December 12, 2012
  74. Chemistry

    If aqueous hydrofluoric acid is reacted with sodium hydroxide, which of the following substances are in the net ionic equation? 1. fluoride ion, hydronium ion, and water 2. fluoride ion, hydroxide ion, hydronium ion, and water 3. hydrofluoric acid, sodium

    asked by Elva on October 16, 2010
  75. math

    I'm trying to work on this practice question But got confuse on this question: find the value of P = Q ( 1 - 1.03^-20 / 0.03) where Q is 1000 to the nearest whole number? Thank you =)

    asked by Luc on February 8, 2015
  76. Physics (help steve)

    A helium ion is at rest in a laboratory when it is put in an electric field of E=2 N/C. An infrared light, of wavelength 2000 nm, is directed towards the ion. The ion is moving towards the source of radiation. After what time in the laboratory frame in

    asked by Kay on July 9, 2013
  77. SCIENCE,PHYSICS

    A helium ion is at rest in a laboratory when it is put in an electric field of E=2 N/C. An infrared light, of wavelength 2000 nm, is directed towards the ion. The ion is moving towards the source of radiation. After what time in the laboratory frame in

    asked by GT on July 10, 2013
  78. help physics

    A helium ion is at rest in a laboratory when it is put in an electric field of E=2 N/C. An infrared light, of wavelength 2000 nm, is directed towards the ion. The ion is moving towards the source of radiation. After what time in the laboratory frame in

    asked by Steve on July 14, 2013
  79. Physics Please Answer

    A helium ion is at rest in a laboratory when it is put in an electric field of E=2 N/C. An infrared light, of wavelength 2000 nm, is directed towards the ion. The ion is moving towards the source of radiation. After what time in the laboratory frame in

    asked by Steve on July 13, 2013
  80. Spanish

    Explain how to conjugate pedir and servir in the present tense I'm okay with spanish but when it comes to this sort of question in a quiz, I get stumped.

    asked by Ace on May 17, 2016
  81. chemistry

    The hydrogen carbonate ion is formed when an H+ ion combines with the polyatomic ion CO32-. What is the net charge on the hydrogen carbonate ion? A. 2- B. 1- C. 1+ D. 2+ A

    asked by Keri on November 9, 2012
  82. Physical Chemistry

    The Li2+ ion is hydrogenic and has a Lyman series at 740747 cm-1, 877924 cm-1, 925933 cm-1,and beyond. Show that the energy levels are of the form –hcR/n^2 and find the value of R for this ion. Go on and predict the wavenumbers of the two longest

    asked by John on June 27, 2018
  83. Chemistry

    The Li2+ ion is hydrogenic and has a Lyman series at 740747 cm-1, 877924 cm-1, 925933 cm-1,and beyond. Show that the energy levels are of the form –hcR/n^2 and find the value of R for this ion. Go on and predict the wavenumbers of the two longest

    asked by Joesph on March 9, 2016
  84. Physics

    Thank you for answering my previous questions! I have another one now in regards to the following question... An unknown potential difference exists between the inner and outer surfaces of the membrane of a cell. The inner surface is negative relative to

    asked by Sandra on February 28, 2010
  85. chemistry HELP PLEASE

    write the formulas of the complex ion formed between a) the ligand, Cl-, and the platinum(II) ion with a coordination number of four. b) the ligand, NH3, and the nickel(II( ion with a coordination number of six. c)the ligand, ethylenediamine, and the

    asked by sue on February 17, 2011
  86. chemistry

    write the formulas of the complex ion formed between a) the ligand, Cl-, and the platinum(II) ion with a coordination number of four. b) the ligand, NH3, and the nickel(II( ion with a coordination number of six. c)the ligand, ethylenediamine, and the

    asked by sue on February 17, 2011
  87. science 1 question

    hi, this is one question in a test, i might post more. in the heart blood flows from the right atrium to the right ventricle where it is pumped to the...? What? I'm pretty sure this is easy, i'm just stumped-_-

    asked by SkatingDJ on March 6, 2015
  88. Environment.. again

    I'm stumped with another question too. Can petroleum fractions be separated at room temperature on the basis of their viscosities? I would guess that they could but i don't know how to explain it

    asked by Katy on March 24, 2008
  89. Chemistry - Solubility

    Calculate the solubility of copper(II) sulfide in a solution that is 0.150 mol L^-1 in NaCN. I am very confused on what to do. Since there are no common ions, I know that this is not the common ion effect. Also I do not believe this is a pH effect

    asked by Karla on March 16, 2015
  90. Chemistry

    Write the balanced net ionic equation for the following? a) Copper metal and zinc ion b) zinc and cupric ion c) Copper metal and hydrogen ion d) zinc metal and hydrogen ion e) iron metal and hydrogen ion f) Chlorine (Cl2) and bromide ion (Br-) g) Chlorine

    asked by Shannon on April 16, 2014
  91. science

    Why is a iron ion attracted to a sulfide ion but not not to a zinc ion?

    asked by yese3nia on May 6, 2008
  92. physical

    wh is an iron ion attracted to asulfide ion and not a zinc ion

    asked by tiantae on April 3, 2008
  93. chemistry

    suppose you had a sample of water and you knew that either the silver ion or the barium ion were in the water . What negative ion could you add to this water sample that would precipitate out one of the ions but not the other?state which ion would form the

    asked by viv on April 30, 2012
  94. Chemistry

    How is the ionic charge of a group 1A,2A, or 3A ion determined? Group IA elements have 1 electron in their outer shell. Group IIA elements have 2 electrons in their outer shell. Group IIIA elements have 3 electrons in their outer shell. These elements lose

    asked by Dennis on January 4, 2007
  95. Literary Analysis and Composition I

    1. What roles do the adults or older figures play in the lives of the various narrators? Select a figure from each of the four memoirs and write one sentence answering the question for each memoir. Answer: 1. Barrio Boy- 2. A Cub Pilot- 3. No Gumption- 4.

    asked by Lilith on September 19, 2012
  96. accounting

    I am stumped on my last question which is using the discounted cash flow formula.... what effect will increase the required rate of return on the present value. I'm getting that it will be increased. Is this right?

    asked by Alexa on April 27, 2010
  97. Chemistry

    List the most i mportant (strongest) intermolecular force(s) that must be overcome to (a) vaporize liquid CH 3 OH (b) remove water of hydration from NiSO 4 • 7H 2 O (c) melt solid KBr so for a Isaid H bonding, for b I said ion-dipole (not sure about this

    asked by Adam on January 21, 2018
  98. Chemistry

    I would like to check my answer to the following question: The permanganate ion oxidizes bromide in acidic conditions to form bromine, manganese(II) ion and water. Give the balanced equation of the reaction. My answer: 3e- + 8H+ (aq) + MnO4- (aq) + 2Br-

    asked by Kelsy on May 18, 2015
  99. Chemistry

    In aqueous solution, hypobromite ion, BrO-, reacts to produce bromate ion, BrO3 -, and bromide ion, Br-, according to the following chemical equation. 3BrO-(ag) → BrO3 -(ag)+2Br-(ag) A plot of 1/[BrO-] vs. time is linear and the slope is equal to 0.056

    asked by Jason on February 19, 2011
  100. Math

    Makoto's lacrosse practice last 1 3/4 hours. This week he attended all of the practice on Monday and Wednesday, but he had to leave halfway through practice on Friday. How many hours did Makoto's spend at lacrosse practice this week? 1 3/4 + 1 3/4 +1 3/4.

    asked by AC on April 7, 2015