For the reaction H2(g) + I2(g) ↔ 2 HI(g), you have the initial concentrations [H2] = 0.15 and [I2] = 0.05. Keq for the reaction at this temperature is 4.5 x 10-6. Make a reaction table. Include rows for initial

106,288 results, page 65

  1. chemistry

    In the redox reaction: 4NH3(g)+3O2(g)-->2N2(g)+6H2O(l) the number of moles of electrons transferred is...
  2. Physical Science

    How do I write and balance this chemical equation as a double replacement reaction: K2SO4(aq) + PB(NO3)2 (aq)
  3. Chem

    What is the free energy change in kJ for the reaction below? 2 BrO3-(aq) + 12 H+(aq) + 5 Fe(s) « Br2(l) + 6 H2O(l) + 5 Fe2+(aq) E° = 1.960 V.
  4. Chemistry help please!

    In the reaction: n2(g) + 3H2(g) -> 2NH3(g), nitrogen is A. electrolyzed B. synthesized C. oxidized D. reduced e. None of these
  5. medical language

    what are the interrelations of blood clotting, immune response, allergic reaction and hormone release.
  6. COM 155

    What would be the reaction of a reader if the topic sentences in an essay did not coincide with the supporting points?
  7. Chemistry Check

    Which one of the following substances is the product of this combination reaction? Al(s) + I2(s) => ______ For this it would be AlI3 ?
  8. chemistry

    If 1.00 {\rm mol} of {\rm{N}}_2 has a volume of 47.0 {\rm L} under the reaction conditions, how many liters of gas can be formed by heating 38.5 g of {\rm{NaN}}_3
  9. chemistry

    Would these be a redox reaction? CaO(s) + H2O(l) = Ca(OH)2(aq) 2FeSO4(aq) + 3H2O2(aq) = Fe2O3(s) + 3H2O(l) + 2SO42-(aq)
  10. chemistry

    You mix 50 mL of 0.1 M ammonium phosphate with 75 mL of 0.05 M calcium nitrate. How much of a precipitate forms from this reaction (in grams)?
  11. chemistry

    How many grams of water are produced from the reaction of 1.26 mol of oxygen according to this equation? 2H2(g) + O2(g) ¨ 2H2O(g)
  12. chemistry

    A plot of ln k vs. 1/T for the reaction gave a line with a slope - 3250 kelvin determind the energy of activation?
  13. chemistry

    assuming the following reaction proceeds in the forward direction, what is oxidized and what is reduced? Cu2+ (aq) + Ca(s) --> Cu (s) + Ca2+ (aq)
  14. Chemistry

    For the voltaic cell Cr(s)/Cr3+(aq)//Ni+2 (aq)/Ni(s), list the reactions at the cathode, anode, and the overall net reaction.
  15. chemistry

    For the voltaic cell Cr(s)/Cr3+(aq)//Ni+2 (aq)/Ni(s), list the reactions at the cathode, anode, and the overall net reaction.
  16. Chemistry

    Write the cell notation for the reaction below. Show your work. Cu+2(aq) + 2Ag(s) + 2Cl-(aq) --> Cu(s) + 2AgCl(s)
  17. chemistry

    Will sodium sulfide and iron II sulfate form a precipitate? if so what would the reaction look like?
  18. Chem H

    How do you write a balanced net ionic equation for the reaction Cr2(SO4)3(aq)+(NH4)2(CO3)(aq)?
  19. chemistry

    the product of a chemical reaction is phosphoric acid (h3po4). which elements must be in the reactants and how many atoms of each
  20. chemistry

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

    Ag+HNO3-----AgNO3+NO+H2O balance the redox reaction using the oxidation-number method
  22. chemistry

    why might you not observe a reaction even though an activity series indicates it should occur?
  23. Organic chemistry

    Draw major product of substitution reaction of (2R,3S)2-bromo-3-methylpentane with CH3CH2O- nucleophile?
  24. chemistry urgent

    Draw major product of substitution reaction of (2R,3S)2-bromo-3-methylpentane with CH3CH2O- nucleophile
  25. chemistry

    How many moles of ammonia gas can be produced from the reaction of 3.0L of N2 and 3.0L of H2 according to the following equation: N2(g) + 3H2(g)---> 2NH3(g)?
  26. CHEMISTRY

    how much energy would be released in the following reaction CH4 + 2O2--> CO2 + 2H2O
  27. chemistry

    O3SOOSO3^(2−) + Cr^(3+)+ -> HSO4^(1-) + Cr2O7^(2-). Could someone balance this redox reaction for me? I can't figure it out. Thanks
  28. chemistry

    Balanced equation for Oxidation-Reduction reaction for Ho2 + Cr(OH)3 = CrO4 + OH. Please show your work
  29. chemistry

    what is the reaction with sodium hydroxide for the following metals: Al3+ Fe3+ Mn2+ Ni2+ Zn2+
  30. chemistry

    Give the complete ionic equation for the reaction (if any) that occurs when aqueous solutions of MgSO3 and HI are mixed
  31. Chemistry

    Balance the following redox reaction in acidic solution: H3PO4 + HNO2--> N2O4 + H3PO3
  32. Chemistry

    Balance the following redox reaction in acidic solution: H3PO4 + HNO2--> N2O4 + H3PO3
  33. Chemistry

    Balance the following redox reaction in acidic solution: H3PO4 + HNO2--> N2O4 + H3PO3
  34. Chemistry

    Identify the acid or base behavior of each substance in this reaction: H2PO4 + H2O <----> H3O+ + HPO4-
  35. Chemistry

    In the following reaction, which substance is acting as the Brønsted-Lowry acid? NH3 + H2O NH4+ + OH
  36. chemistry

    In the reaction of sodium metal with oxygen gas, the formula of the product will be ______________. Periodic Table
  37. Chem 104

    The reaction of 2.30g N2 with excess H2 produces 2.00g NH3. The percent yield of this reaaction is?
  38. physics

    using newtons third law explain what is meant by action and reaction pairs of forcess
  39. chemistry

    Write a balanced chemical equation for the reaction that occurs when the hydrocarbon styrene, {\rm C}_{8}{\rm H}_{8}(l), is combusted in air.
  40. chem

    Explain clearly why changes in base concentration do not affect the observed reaction rate of an E1 elimination.
  41. Chemistry

    If 0.120 moles of water are produced in the reaction H+(aq)+OH-(aq)=H2O deltaH=-56.2kj/mol what is qrxn
  42. communcation

    what do you think would be the reaction of a reader if the topic sentences in an essay did not align with the supporting points
  43. Chemistry

    The value of delta H for the reaction of 2Na2O2(s) + 2H20(l)----> 4NaOH(s)+O2(g) is -126KJ When 2.0 moles of NaOH is formed?
  44. Organic Chemistry

    Some 2-methyl-2-butene may be produced in the reaction as a by-product. Give a mechanism for its production.
  45. chemistry

    Silver is electroplated at the cathode of an electrolysis cell by 1/2 reaction Ag(aq) + e- --> Ag(s). How many moles of electrons are required to electroplate 5.8g of Ag?
  46. Chemistry

    A chemist ran the reaction and obtained 5.70 of ethyl butyrate. What was the percent yield? How do I solve this problem?
  47. chemistry

    should magnesium metal be stored on the same shelf as copper chloride (redox reaction)
  48. chemistry

    write the net ionic equation of the following reaction: HCl(aq)+NaOH(aq)--> NaCl(aq)+H2O(l)
  49. chemistry

    Write net ionic equation for the reaction between nitric acid and calcium hydroxide.
  50. Chemistry

    What is the net ionic equation for the reaction that occures between nitrouse acid and strontiun hydroxide ?
  51. Chemistry

    What is the net ionic equation for the reaction that occures between nitrouse acid and strontium hydroxide ?
  52. chemistry

    Separate this redox reaction into its component half-reactions. Cl2 + 2Na --> 2NaCl
  53. Chemistry

    Write the balanced equation for the double replacement reaction of: Barium chloride and Sulfuric acid
  54. chemistry

    The time required for the completion of 99.9% of a first order reaction is equal to how many times that of its half life? (A)2 (B)3 (C)5 (D)10
  55. chemistry

    When the following reaction is balanced in acid solution, the coefficient of H+(aq) will be: Cr2O72-(aq) + Sn2+(aq) --> Cr3+(aq) + Sn4+(aq)
  56. Chemistry

    For the balanced reaction 2 Na + 2 H2O -->2 NaOH + H2 how many grams of Hydrogen are produced if 120 g of Sodium are available?
  57. chemistry

    3Ag(s) + 4HNO3(AQ) = 3AGNO3(aq) + NO(g) + 2h2o(l) How many moles of NO can be produced by the reaction of 54.0g of Ag show me the step please
  58. chemistry

    Write a balanced equation showing the solubility equilibrium reaction of solid calcium hydroxide??
  59. Organic Chem

    Outline a separation scheme for isolating pure isopentyl acetate from the reaction mixture.
  60. Chemistry

    how many moles of silver nitrate are required to react with 24.8 mL of 1.15M calcium chloride in a metathesis reaction Thanks!
  61. chemistry

    4NH3(g)+5O2(g) yield 4NO(g)+6H2O(g) Deduce the equilibrium constant expression for the reaction.
  62. Chemistry

    The following reaction has a Delta G value of 42.6 kJ/mol at 25oC: HB(aq) +H2O(l) --> H3O+(aq) +B-(aq) Calculate Ka for the acid HB.
  63. chemistry

    Determine the entropy change for the following displacement reaction Cl2(g) + PbBr2(aq) --> PbCl2(aq) + Br2(l
  64. college chem

    How do i write the overall reaction equation for the synthesis of aluminum potassium sulphate dodecahydrate
  65. Chemistry

    What mass of calcium phosphate form by the reaction of 50 mL of 0.2 M H3PO4 with 80 mL of 0.1 M Ca(OH)2? 2 H2PO4 + 3 Ca(OH)2 --> Ca3(PO4)2 + 6 H20
  66. chemistry

    what is the gas formed when baking soda is added to vinegar? complete the reaction: NaHCO3(s) + CH3COOH(aq)
  67. Chemistry

    I need to understand, which has more effect in inducing the reaction of silver salts. Intensity or wavelength?
  68. Chemistry

    How many grams of dichloromethane result from reaction of 2.62 kg of methane if the yield is 43.5 %? CH4+2Cl -> CH2Cl2+2HCl
  69. Chemistry

    For a given sample of CH3OH, the enthalpy change on reaction is 17.0 kj. How many grams of hydrogen gas are produced?
  70. Chemistry

    need help balancing the following. redox reaction in acidic solution. Clo3-+Cl->>Cl2+ClO2
  71. Chemistry

    given: 25.9 kJ + 1/2 H2 + 1/2 I2 => HI how much energy is needed for the reaction of 4.57x10^24 molecules of iodine, I2, with excess hydrogen, H2?
  72. chemistry

    Calculate the number of grams of acetic acid present in the mixture after the reaction is complete.
  73. Organic

    Balanced reaction for cyclohexene to adipic acid. Used na2wo4 with h2o2, PTC, and khso4.
  74. chemistry

    how do I calculate the mass of ammonium sulfate formed from the complete reaction of 700 grams of ammonia?
  75. Chemistry

    What is the reducing agent in the following reaction? 2NA + 2H2O 2NaOH + H2 A.Na B.H2O C.NaOH D.H2 I think it is B...?
  76. Chemisty

    Calculate the standard enthalpy change for the following reaction at 25 °C. MgCl2(s)+H2O(l)-->MgO(s)+2HCl
  77. chemistry

    Balance the following redox reaction by inserting the appropriate coefficients. H^+ +CrO4^2- +NO 2^- =Cr^3+ +H2O+NO3^-
  78. chemistry

    Which direction would equilibrium shift in the reaction N2 + 3H2 2NH2 + 22,000 cal if it is cooled?
  79. chemistry

    what is the volume in liters in H2gas produced at 24 degree celsius and 835 mmhg from the reaction of 12g of many thanks
  80. chemistry

    balance the equation and name the reaction taking place C3H5OH+O2 equals CO2+ H2O
  81. Chemistry

    Calculate the standard enthalpy change for the following reaction at 25 °C. MgCl2(s) + H2o(l) ---> MgO(s) + 2HCl(g)
  82. chemistry

    for a reversible reaction if the concentration of reactant are doubled aad a definate tempreture then equilibrium constant will
  83. chemistry

    Mno4- + So3-2 = Mno2 + sO4-2 (OH-) solve this redox reaction and give me the method also
  84. AP Chemistry

    For the reaction 2C6H6+15O2 =12CO2+6H2O, what is the maximum amount of CO2 which could be formed from 5.12 g of C6H6 and 12.28 g of O2?
  85. Chemistry

    Enter the net ionic equation, including phases, for the reaction of AgNO3(aq) with BaO(aq). Is it... Ag+O2--->AgO?
  86. chemistry

    Phosphorus (p4) burns in the air to give diphophorus pentoxide. what is the blance chemical equation for the reaction
  87. Chemistry 2

    Durango redox reaction the oxidation number of species Will decretase, increpase or stay the same
  88. Chemistry

    How can reaction intermediates in an organic synthesis be separated and recovered using thin layer chromatography?
  89. science

    Is this hypothesis in the right format?. When yeast and vinegar are put together, they will form an endothermic reaction.
  90. CHEMISTRY

    Write the net ionic equation for the reaction between potassium hydroxide and copper(I) nitrate.
  91. Chemistry

    Calculate the grams of NaNO3 required to produce 5L of oxygen at STP if the percent yield of the reaction is 78.4%?
  92. Chemistry

    Calculate the standard enthalpy change for the following reaction at 25 °C.? 2CH3 OH(g) + 3O2(g) -------- 2CO2(g) + 4H2O (g)
  93. pmdc

    Calculate the mass of Mg metal required to consume 2560g of CO2 in the reaction. 2Mg+CO2_2MgO+C
  94. Chemistry

    Write the balanced molecular equation for the reaction between lithium phosphate and calcium nitrate.
  95. Science HELP!

    The body's reaction to information is to send these to the brain. A. Neurons B. Impulses C. Dendrites D. Synapse Is the answer B? Thanks
  96. Chemistry

    What is the significance of a potential energy diagram? What kind of global picture does it provide about the reaction?
  97. chemistry

    find mass of sulfuric acid obtained in reaction of 20.0g if sulfur trioxide with excess of water
  98. Chemistry

    a solution of 25 ml of HCL is neutralized by 42.5 ml of 0.10 M concentration of NaOH.Need to write a balanced equation for the reaction
  99. Chemistry

    A reaction at 3.24 atm consumes 5.10 L of a gas adiabatically (q = 0). Calculate the change in internal energy of the system (in kJ).
  100. Chemistry

    2H2O(g)<-> 2H2(g) + o2 Calculate delta g and Kp for the following equilibrium reaction. Keep getting 7.2E-81 and the answer is 4.5E-81 Why?
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