What is the oxidation states for all three elements in the formula Rb2SO3 ? Is this correct?-1,+8,-2

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  1. Chem

    what occurs during the reaction below 4Hcl+MnO2-->MnCl2+2H2O+Cl2 1.the manganese is reduced and its oxidation number changes from +4 to +2. 2.the manganese is oxidized and its oxidation number changes from +4 to +2. 3.the manganese is reduced and its

  2. Chemistry

    Write the balanced half reaction for the reduction and oxidation reactions for the redox reaction: 2 Mg (s) + O2 (g) -> 2 MgO (s) Notice: for this question you do not have to include a charge of zero and you do not have to include the states. Below is an

  3. Chemistry

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  4. physical science

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    Fe2+ + MnO4- + Fe3+ + Mn2+ which of the elements is undergoing oxidation and which of the elements is the oxidizing agent?

  6. Chem Oxidation-Reduction Titrations

    H2O2→ O2 + 2H+ + 2e- OCl- + 2H+ + 2e-→ H2O+ Cl- H2O2(aq) + OCl-(aq) → H2O(l) + Cl- (aq) + O2(g)Assign oxidation numbers to the following atoms: O in H2O2 ________; Cl in OCl- __________The oxidizing agent for this RedOx rxn is_____________. The

  7. Chemistry

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  8. Chemistry

    Electron Transfer Theory Write an label the oxidation and reduction half-reaction equations. a) Ni(s) + Cu(NO3)2(aq) -> Cu(s)+ Ni(No3)2(aq) oxidation - Ni(s) -> Ni2+(aq) + 2e- reduction - Cu2+(aq) + 2e- -> Cu(s) b) Pb(s) + Cu(NO3)2(aq) -> Cu(s) +

  9. Chemistry

    What is the oxidation states for all three elements in the formula Rb2SO3 ? Is this correct?-1,+8,-2

  10. Math

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  12. Chemistry Equations

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  13. Chemistry

    Balance the following redox equation by the oxidation number methode Ag + HNO3 = AgNO3 + NO + H2O I have all the oxidation numbers i just don't understand how i'm supposed to balance it according to them. I read the sites and i can't get it. Do i balance

  14. Chem 1

    Use oxidation states to identify the element that is being oxidized in the following redox reaction: Cu(s)+2 H 2 S O 4 (aq) → CuS O 4 (aq)+S O 2 (g)+2 H 2 O(l)

  15. chemistry

    Balance following oxidation reduction reactions using oxidation states method? a) Cl2(g) + Al(s) --> Al3+(aq) + Cl- b.) O2(g) + H2O(l) + Pb(s) --> Pb(OH)2(s) c) H+(aq) + MnO4-(aq) + Fe2+(aq) --> Mn2+(aq) + Fe3+(aq) + H2O(l)

  16. chemistry

    What are the oxidation numbers for the elements in the compound C2H5COOH?

  17. chemistry

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  18. IGCSE Chemistry

    Hydrocarbons A and B both contain 85.7 % carbon. Their molar masses are 42 and 84 respectively. a) Which elements does a hydrocarbon contain? b) Calculate the empirical formula of A and of B. c) Calculate the molecular formula of A and B. I solved a) and

  19. chemistry

    Although no currently known elements contain electron in g orbitals in the ground state, it is possible that these elements will be found or that electrons in excited states or known elements could be in g orbitals. For g orbitals, the value of

  20. analytical chemistry

    Write balanced net-ionic equations to describe: a. The oxidation of Mn2+ to MnO4- by ammonium peroxydisulfate [(NH4)2S2O8] b. The air-oxidation of HAsO32- to HAsO42- c. The oxidation of Ce3+ to Ce4+ by sodium bismuthate (NaBiO3) Write balanced net-ionic

  21. Chemistry

    The highest positive oxidation number that chlorine can exhibit an any compound is +7, whereas its most negative oxidation number is -1. Write the electron configuration of chlorine and explain why these are limiting oxidation numbers for chlorine.

  22. Chemistry

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  23. Chemistry URGENT

    I need help understanding oxidation I have a problem that states: The proper assignment of oxidation numbers to the elements in the compound LiAsO3 would be: I think the answer is +1 for Li, +3 for As and -2 for O. I think I am confusing oxidation with

  24. Chemistry

    The two most common oxidation states are Cr(III) and Cr(VI). Balance the following oxidation-reduction equations that involve one of these oxidation states of chromium. Assume that the reactions occur in acidic solution. A. Cr(s) + O2 (g) + H^+ Cr^3+ B.

  25. Chemistry

    Which of the following is true about oxidation reactions? A. Oxidation reactions are the principal source of energy on Earth. B. All oxidation reactions are accompanied by reduction reactions. C. The burning of wood in a fireplace and the metabolization of

  26. chemistry

    Q: I just did an online chemisty lab for Oxidation States of Manganese and I'm stuck. I have three test tubes that have been prepared as follows: Tube 1- Starting PH 13.82 2 mL of KMnO4 1 mL of NaOH Tube 2- Starting PH 7 2 mL of KMnO4 Tube 3- Starting PH 0

  27. mathematics

    S, have 176 elements. A and B are subsets of S. Set A contains 71 elements and Set B contains 80 elements. If Sets A and B have 11 elements in common, how many elements are in neither A nor B?

  28. Chemistry

    I have this question: Consider the dichloropropane molecule, C3H6Cl2. Despite being a molecular compound, oxidation states can be assigned to the elements in butane. +1Calculate the oxidation state of the carbon atoms. The oxidation state of the Cl atoms

  29. chemistry 2

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  30. Science

    Find the amount Atoms and the total amount of elements for each formula C4H10 2 elements 14 atoms H4Mg3Si2O9 4 elements 18 atoms C6H7O2(OH)3 3 elements 18 atoms Pb(NO3)2 3 elements 9 atoms

  31. Chemistry - oxidation numbers

    How do you use a Lewis Structure to find the oxidation state of an element. I have this question using the oxidation rule i got +2, however how do i use it with Lewis structure. QUESTION Use the Lewis structure of a thiosulfate ion to find the oxidation

  32. Chem, Oxidation

    Complete and balance the following half-reactions. In each case indicate whether the half-reaction is an oxidation or reduction. (Use the lowest possible coefficients. Include states-of-matter under SATP conditions in your answer.) OH ‾(aq) ¨ O2(g) I

  33. chemistry

    Which statement best describes the oxidation numbers of the atoms found in magnesium chloride? A. Magnesium has a 22 oxidation number and chlorine has 1+ oxidation number. B. Magnesium has 1+ oxidation number and chlorine has a 12 oxidation number. C.

  34. Chemistry

    Determine the oxidation number of the elements underline in the following ions or compounds. a) PF3:Ox.# P= B)S2O3: Ox.#S=

  35. Chemistry

    How are the families of the periodic table organized? (Select all that apply.) based on the group of the elements based on the period of the elements by the class of the elements, such as metal or nonmetal by the properties the elements share, such as

  36. Chemistry

    4, Assign oxidation states for the two elements in the compound OF2. Explain the rules that you use. 5. For each of the following oxidation-reduction reactions of metals and nonmetals, identify the element that is oxidized and the element that is being

  37. Chemistry

    Assign oxidation states to all atoms in each of the following. explain the order in which you determine the oxidation states for each element if applicable. a)O2 b)HSO4- c)Na2HPO4 d)CrCl3

  38. organic chem

    Write an equation representing the oxidation of each of the following. I'm on 3-hexanol. And this is what I got -> [o] 3-hexanal and further oxidation I know you get 3-hexananoic acid. I don't know how to make this in the line formula. Can I put the -OH

  39. Chemestry

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  40. chem

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  41. Chemistry

    Balance the reaction of plumbate ions and hydrochlorite ions: Pb(OH)42-(aq) + ClO-(aq) → PbO2(s) + Cl- I put: Pb(OH)3-(aq) + ClO-(aq) → PbO2(s) + Cl-(aq) + H2O(l) + OH-(aq) It said: The reaction described in your answer is not balanced. One or more of

  42. Chemistry

    K2Cr2O7, H2O2 and KMnO4 are all oxidizing agents. Common products of their reduction are Cr3+, H2O and Mn2+. Identify the change in oxidation number for the involved elements.

  43. Chemistry

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  44. Science

    Helloo.. i got a worksheet about compounds,elements andnumber of elements. it tells me to list the elements and number of atoms found in each of the compounds and i don't understand how to do get the elements and the # of atoms in the equation.. PLease

  45. chemistry please help

    Which reaction could yield this compound as the major product? The product is propanal a. oxidation of propanoic acid, CH3CH2COOH b. oxidation of propanol, CH3CH2CH2OH c. reduction of propanol, CH3CH2CH2OH d. oxidation of 2-butanone, CH3CH2C(O)CH3

  46. computer science C++

    The variables arr1 and arr2 have been declared as pointers to integers. An array of 10 elements has been allocated, its pointer assigned to arr1, and the elements initialized to some values. Allocate an array of 20 elements, assign its pointer to arr2,

  47. Chemistry

    Iron and manesiu are two common elements found in numerous compounds. magnesium is always in the +2 oxidation state while iron exhibits oxidation states of +2, +3,+4,and +6. why would magnesium not be found in the these upper oxidation states.

  48. Honors Chemistry

    I have to fill in the blanks of these questions with the elements H (hydrogen), Co (cobalt), Ga (gallium), and O (oxygen), but different sources are telling me different things: 7. Its most common oxidation state is -2 8. A metal with more than one

  49. Chemistry

    Oxidation State numbers For Fe3+ i got 3+ b/c Oxidation state monatomic ion = ionic charge and i got that answer wrong. i am receiving wrong answers for these below aswell. I used these rules for the following -Alkali metals are always +1; alkaline earths

  50. science

    How do I find oxidation numbers of certain elements in compounds? I'm really confused so very simple terms would be appreciated. EX: What is the oxidation number of sodium in NaOH AND What is the oxidation number of Iron in FeCl3??

  51. Earth And Science

    Which process is an important part of chemical weathering through oxidation?(1 point) oxygen capturing protons from other elements oxygen giving up protons to other elements oxygen giving up electrons to other elements oxygen capturing electrons from other

  52. Chemistry

    23. Ductility is the ability to be hammered into sheets.- F? 25. A monatomic ion contains only one atom.- T 26. Iron (II) means the iron would have an oxidation number of +2.- F? 27. A polyatomic ion is a group of atoms acting as a single ion.- T 30. The

  53. chem

    1.Which of the following elements has the largest known oxidation number (in magnitude)? Pt Au Os Fe Ru 2.Which of the following metals has the highest melting point? Al Mg K Na Ca I know that Ca is wrong because I tried it, so I really think it has to be

  54. Physical science

    A silver Christmas tree can be made by placing copper wire,shaped in the form of a tree,into a silver nitrate solution.The unbalanced equation for the reaction is:Cu+AgNO3=Cu(NO3)2+Age 9.1 define the term oxidation in terms of oxidation numbers (9.2) write

  55. physics

    the oxidation numbers of the elements in a compound must add up to

  56. Chemistry

    Since the oxidation number of Chromium is +3, and the oxidation number of Silicon is -4. Why is the chemical formula for Chromium III Silicide Cr3Si2? Can somebody please explain to me please???????THANKS A LOT!!!

  57. Chemistry

    Electron Transfer Theory Write an label the oxidation and reduction half-reaction equations. a) Ni(s) + Cu(NO3)2(aq) -> Cu(s)+ Ni(No3)2(aq) oxidation - Ni(s) -> Ni2+(aq) + 2e- reduction - Cu2+(aq) + 2e- -> Cu(s) b) Pb(s) + Cu(NO3)2(aq) -> Cu(s) +

  58. chemistry

    the alkali metals are a group of oxidation metals that decrease in melting point down the group. Halogens are non-metals that get coloured in colour and less reactive down the group. the transition elements in the middle of the periodic table. hey are

  59. Chemistry: Identifying Substances

    Hi! I would like to know the definitions for... ELEMENT: something on the periodic table? COMPOUND: molecule with at least 2 different elements? SYMBOL: i'm confused about this FORMULA: i'm confused about this ATOM: smallest units of elements? MOLECULE: a

  60. Chemistry

    What is the oxidation states for K2CrO4

  61. science Please HURRY!!

    Plz!!! HELP MEE!!! Are there any similarities between elements and compunds? Are there any similarities between elements and mixtures? Yes they are both made of matter and hence occupy space. They occur in 3 states Solid, liquid, Gas. please read:

  62. Chemistry

    a.) All the compunds are electrolytes, although not all of them are strong electrolytes. Compunds C and D are ionic and compund B is covalent. b.) Nitrogen occurs in its highest possible oxidation state in compunds A and C; nitrogen occurs in its lowest

  63. Chemistry

    Trying to name this compound and figure out its oxidation state [ CoBr2(NH3)3(H2O) ]+ I came up with triammineaquadibromocobalt(II) ion with a +3 oxidation state...but not sure if this is right... similarily for [Fe(ox)(Cl)4]3- I came up with

  64. chemistry

    which of the following is true regarding the transition elements? A. Multiple oxidation states resulting from the involvement of d electrons in bonding is a characteristic of transition elements. B. Most transition elements have lower melting and boiling

  65. chemistry

    why does phosphorous and some other elements have two or more oxidation states

  66. chemistry grade 12

    Explain why, in redox reactions, the total increase in the oxidation numbers of the oxidized elements must equal the total decrease in the oxidation numbers of the reduced elements.

  67. science

    How do I find oxidation numbers of certain elements in compounds? I'm really confused so very simple terms would be appreciated. EX: What is the oxidation number of sodium in NaOH???

  68. chemistry

    statement that is wrong about transition elements is 1) they have fixed oxidation states 2) they show paramagnetic behavior 3) they form interstitial compounds 4) they form complexes

  69. CHEM

    What is the exact method/formula used to calculate oxidation state #'s? & how does one know when to use the correct oxidation state #? For example: Carbon carries 4,2,-4; Cl= 1,5,7,-1; and, Mn=2,3,4,7. Thanx. You use the seven rules in your text. Assigning

  70. Chemistry

    Hello there! I was wondering if you could check my answers for me? I was having trouble and I finally understand. 1. Indicate the oxidation number of carbon and sulfur in the following compounds. A) CO= +2 C) Na2CO3= +4 E) CH4= -4 G) SO2= +4 I) Na2SO4= +6

  71. science

    Which process is an important part of chemical weathering through oxidation? a.) oxygen giving up electrons to other elements. b.) oxygen capturing electrons from other elements. c.) oxygen capturing protons from other elements. d.) oxygen giving up

  72. science

    Which process is an important part of chemical weathering through oxidation? -oxygen giving up electrons to other elements. -oxygen capturing electrons from other elements. -oxygen capturing protons from other elements. -oxygen giving up protons to other

  73. Science

    Find the amount Atoms and the total amount of elements for each formula HCl 2 elements and 2 atoms H2SO4 3 elements 7 atoms KI 2 elements 2 atoms H2O 2 elements 3 atoms

  74. physics

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  75. Chem

    Which of the following elements has the largest known oxidation number (in magnitude)? Pt Au Os Fe Ru

  76. Chemistry

    I'm a bit iffy on oxidation numbers... can someone please tell me if this is correct? Assign oxidation states to each element on both sides of the equation : KClO2--->KCl+O2 Reactants K = +1 Cl = +1 O = -2 Products K = +1 Cl = -1 O = 0 the element being

  77. chemistry

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  78. Chemistry

    Can someone please check my answers for me for the following questions. THANK YOU! 1) An ion with an oxidation number of 3+ can combine with three other ions, if each of these ions has an oxidation number of....3- 2) The correct formula for nickel(II)

  79. Chemistry

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  80. CHEM

    in addition to previous Q: for eg: why is the oxidation state (#) of Ca in CaH2 "+2"? According to a p.table I have here +2 is the only oxidation # for Ca...but how is that figured? One other eg: the oxidation state (#) of the maganese atom in KMnO4.6H2O

  81. Chemistry

    Does the conversion of hydrogen peroxide to oxygen involve oxidation or reduction? What substance is acting as the oxidizer or reducer? and Does the conversion of hydrogen peroxide to water involve oxidation or reduction? What substance is acting as the

  82. CHEMISTRY

    is the oxidation number for platinum larger than the oxidation number for osmium? The oxidation number of any element is zero; therefore, both Pt and Os have an oxidation number of zero if they are not in a compound.

  83. Chemistry

    On the semi - reactions below is correct to say: Li + + 1℮- => Li. Eº = -3,04V. Au 3+ + 3℮- => Au. Eº = + 1,50V. Pb 2+ + 2℮- => Pb . Eº = - 0,13V. Ag + + 1℮- => Ag. Eº = + 0,80V. a) In the semi reaction Ag, the potential fold if the number of

  84. science

    seven of the chemical elements exist as diatomicmolecules. do research to find out which seven elements these are. write a short report that describes each diatomic molecule. be sure to include the formula for each molecule please help me ikts extra credit

  85. CHEMISTRY

    How many oxidation states Should a substance have at least to undergo Disproportionation reaction ? thanks

  86. chemistry

    Assign oxidation states to all atoms in compound. C2H2O4 i already know the other 2 but how do i find C C - ? H - +1 O - -2

  87. chemistry

    What are the oxidation states of the metals in the following compunds: [Ni (pyr)4NH3Br]I and Mn(C2O4)3 Thanks :)

  88. Soil Chemistry

    In saturated soils, oxygen is quickly depleted and microbes must utilize the next most favorable electron acceptor, in this case sulfate (SO42-). Under these conditions, Mn (and Fe) are oxidized to Mn2+ (and Fe2+). Select the correct oxidation and

  89. Balance equation in acid solution

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  90. Chemistry

    I've been trying to figure out how to go about answering this question and don't even know where to start. Any help would be greatly appreciated The oxidation of NH3 to NO in the Ostwald process must be very carefully controlled in terms of temperature,

  91. C++

    The variables arr1 and arr2 have been declared as pointers to integers . An array of 10 elements has been allocated, its pointer assigned to arr1, and the elements initialized to some values . Allocate an array of 20 elements , assign its pointer to arr2,

  92. chemistry

    How can i be accurate when assigning oxidation numbers? By this i refer to elements that have more than 1 oxidation # . For example: I have been working with hydrides and i had this reaction in mind: Nb + H Shoud i use 3 or 5 for Nb, why?

  93. CHEMISTRY

    Hello there! I was wondering if you could check my answers for me? I was having trouble and I finally understand. 1. Indicate the oxidation number of carbon and sulfur in the following compounds. A) CO= +2 C) Na2CO3= +4 E) CH4= -4 G) SO2= +4 I) Na2SO4= +6

  94. Chemistry

    Why is it hard to use the periodic table to predict the oxidation #'s of the transition elements?

  95. Chemistry

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  96. chemistry

    What are the oxidation states of chromium -6(Cr^+6).

  97. Chemistry

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  98. Chemistry

    What are the oxidation states for each element in the equation 3HCl(aq)+HNO3(aq)-> Cl2(g)+NOCl(g)+2H20(l)?

  99. Chemistry

    What is the empirical formula for aluminium selenide? What is the common oxidation state of aluminum? Combine that information with the valency for selenium that you came up with in the previous question to come up with the formula for aluminum selenide.

  100. Chemistry.

    In which of these compounds is the oxidation state of CI the highest? a) HCIO2 e) HCIO4 Answer is e Is there a formula to solve this ?

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