1. chemistry

    Ag+HNO3-----AgNO3+NO+H2O balance the redox reaction using the oxidation-number method
  2. Organic Chemistry

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

    What is the mole ratio between all compounds of this reaction:HC2H3O2 + NaHCO3 = NaC2H3O2 + H2O + CO2
  4. Science

    FeS + HCl yields FeCl2 + H2S Balanced Equation & Type of Reaction
  5. Chemistry

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

    what volume of oxygen is needed to react to complete reaction and to form 5cm of so3?
  7. science

    how might an industrial chemist increase production of their plant with knowledge of reaction rate. please explain.
  8. ch102

    The rate constant of a reaction at 30 was measured to be 5.7×10^-2. If the frequency factor is 1.2 x10^13 /s what is the activation barrier?
  9. 8th grade science

    compare and contrast the effect of a catalyst on a chemical reaction with that of an inhibitor?
  10. chemistry

    when silver nitrate reacts with hydrochloric acid, what type of reaction takes place?
  11. Chemistry

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

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

    For each of the following pairs of half-cells, determine the overall electrochemical reaction that proceeds spontaneously. Na+ | Na, Ni2+ | Ni
  14. Chemistry

    If 0.120 moles of water are produced in the reaction H+(aq)+OH-(aq)=H2O deltaH=-56.2kj/mol
  15. 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)
  16. Chem

    If a reaction has a change of H of -120.0 kcals/mole and is spontaneous for all temperatures less than 200.0K, what is its ΔS?
  17. Chemistry

    What is theoretical yield in grams of CO2 formed from reaction of 3.12g CS2 and 1.88g O2?
  18. Chemistry

    A catalyst does not change the ______ of the reaction. a. mechanism b. enthalpy c. energy of activation d. rate
  19. Chemistry

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

    What is the standard heat of reaction (Delta H^0) for the decomposition of hydrogen peroxide? 2H2O2 (l) ==> 2H2O (l) + O2(g)
  21. chemistry

    15.0 g of Potassium metal is dropped into 50.0 ml of a 1.50 mol/L solution of H2SO4. what is the mass of gas given off during the reaction?
  22. chemistry

    5. Identify whether the following reaction is an oxidation or a reduction. a. Ni2+ + 2e- ¨ Ni b. 2Br- ¨ Br2 + 2e- c. O2 + 4e- ¨ 2O2- d. Zn ¨ 2e- + Zn2+ e. H2 ¨ 2H+ + 2e-
  23. science

    How many moles S are required to prepare 800 liters of SO2 gas in a synthesis reaction?
  24. chemistry

    What is the standard heat of reaction (Delta H^0) for the decomposition of hydrogen peroxide? 2H2O2 (l) ==> 2H2O (l) + O2(g)
  25. Chemical kinetics (chemistry)

    if the activation energy is larger from the perspective of the reactants than the products, the reaction is ?
  26. chemistry

    Please tell me any website....where I can find details of the experiment Reaction of 4-aminotoluene and o-vanillin(for preparation of azomethine)
  27. Chem help

    An equilibrium reaction which has K1 = 6.5 x 10¯2 at 100oC and has ∆Horxn = -49.5 kJmol¯1. What is the value of K at 250 oC? I can't get the right answer, which is supposed to be 6.68 x 10^-4. How does one do this? Thanks
  28. chemistry

    When silver nitrate reacts with hydrochloric acid, what type of reaction takes place
  29. chemistry

    What is the correct balanced redox reaction for the cell shown below?Fe(s) | Fe2+(aq) || Co2+(aq) Co3+(aq) | Pt
  30. 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
  31. 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)
  32. Chemistry

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

    I'm doing an assignment on burning magnesium and one of the questions is explain the reaction using the Big Idea of Energy. What does this mean?
  34. 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?
  35. chem

    Please calculate the energy involved in the following chemical reaction, given the values below: 2Ag + H2S --> Ag2S + H2 -24 -33
  36. 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.
  37. Chemistry

    Write the net ionic equation for the following reaction : Na3SO4(aq) + Ba(NO3)2(aq) —> BaSO4 (s) + 2 NaNO3(aq)
  38. chem

    What mass of phosphoric acid will be produced from the reaction of 10.00g of P4O10 with excess water?
  39. chem

    Please calculate the energy involved in the following chemical reaction, given the values below: 2Ag + H2S --> Ag2S + H2 -24 -33
  40. Chemistry 2

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

    Write down the reaction between 1-pentyne and 2 molar HBr should it be 2 br or 4 br? img718.imageshack.us/i/triple2.jpg/
  42. college

    In the reaction Fe2O3 + 3CO ¨ 2Fe + 3CO2 How much CO is used to produce 112 grams of iron?
  43. 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)
  44. chemistry

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

    Will Zn(NO3)2 react in a metathesis reaction with NACl, BACL2, NAIO3 or AL2(SO4)3
  46. Chemistry

    find the reaction quotient: partial pressures are: p of N2=.903, P of H2=.888, P of NH3=.025
  47. chemistry

    how many electrons are transfered in one atom of Mn in the reaction?MnO2+4HCl=MnCl2+2H2O+Cl2
  48. org. chem

    what would the oxidation product 1. 2-methylpentnal 2. 3-pentanone My answers: 1. 2-methylpentanoic acid 2. no further reaction I just want to be sure I'm doing this right. Thanks.
  49. 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
  50. Chemistry

    2C2H6 +7O2 --> 4CO2 + 6H2O If 6 moles of O2 are used in the following reaction, how many grams of CO2 will be produced?
  51. chemistry

    Given the reaction 3C(s) + 4H2(g) + 5O2(g) ---> 3CO2(g) + 4H2O(l) ÄH= -2323.7 kJ How much heat would be released when 34.1 g of H2 react?
  52. Chem

    Enter the net ionic equation, including phases, for the reaction of AgNO3(aq) and KCl(aq).
  53. Chemistry

    Complete and Balance the following equation using the half-reaction method; (MnO4^-) + (CH3OH) --> (Mn^2+) + (HCO2H)
  54. Chemistry

    How many grams of H2O are needed if 41.85g of O2 are to be produced from the reaction below? 2K2O2 + 2H2O = 4KOH + O2
  55. chemistry

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

    If a reaction yields 2.5165 × 10^8 kJ, then how much mass was lost? (User 3.00 x 108 m/s as the speed of light) 2.30 × 10^-3 kg 5.60 × 10^-3 kg 2.80 × 10^-12 kg 5.60 × 10^-12 kg Please help.
  57. Organic Chemistry

    Write an equation for the reaction that occurs in the gas trap between SO2 and NaOH.
  58. chemsitry

    Calculate the work in kilojoules done during a reaction in which the volume expands from 10.0 L to 95.9 L against an external pressure of 2.5 atm.
  59. Chemistry

    Balance the redox reaction.2NaClO3+4HCl-2ClO2+2H2O+2NaCl+Cl2
  60. Organic Chem

    Write a balanced equation showing the reaction of trimyristin and aqueous NaOH
  61. chem uni

    Insert correct coefficients it is a redox reaction Al2+MnO2=Al2O3+Mn
  62. 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.
  63. Chemistry

    What chemical equation for the neutralinzation reaction between potassium hydrogen sulfate and sodium hydroxide.
  64. Chemistry

    Write the balanced molecular equation for the reaction between lithium phosphate and calcium nitrate.
  65. chemistry

    what is the relationship between reaction rate and shape of equilibrium graph in relation to concentration vs time?
  66. CHM

    suggest an alternative indicator for the standardization reaction. Explain the rationale behind your choice. Used 10 g of KHP
  67. 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)
  68. Chem Hmwrk

    For the reaction HCl + AgNO3 → ,write the balanced formula equation
  69. chemistry

    how will you recognize that a singe replace reaction has occured when you combine an active metal with 6M HCI
  70. chemistry

    If 1.8x1014 J are given off in a nuclear reaction, how much matter is converted into energy? Not a clue as to how I would even START to figure this one out - help!!!
  71. Chemistry

    When 20.5g of methane and 45.0g of chlorine gas undergo a reaction that has a 75.0% yeild, what mass of chloromethane forms?
  72. Chemistry

    Write 3–4 sentences to describe how coupling reactions are used to drive an unfavorable chemical reaction
  73. Chemistry Help

    Write the net ionic equation for the reaction of calcium nitrate and sodium phosphate
  74. Chemistry

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

    How many atoms are in LiBr2 show in the reaction side? LiCl (22g) + Br2 (30g)
  76. Chemistry

    What are the products for the reaction of Sodium hydrogen phosphate with nickel II nitrate Ni2HPO4 + Ni(NO3)2 -->
  77. Chemistry

    The reaction of methyl-benzene with HNO3 in the presence of catalyst will provide what main compound?
  78. Chemistry

    After 53.0 min, 14.0% of a compound has decomposed. What is the half-life of this reaction assuming first-order kinetics?
  79. Chemistry

    What is the net ionic equation for the reaction that occures between nitrouse acid and strontium hydroxide ?
  80. 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.
  81. Chemistry

    Write a chemical reaction showing an amphiprotic anion reacting as a base in water. Thank-you
  82. chemistry

    a 16.2 L sample of CO(g) at 1.50 atm and 200.*C is combined with 15.39g of Fe2O3(s), How many moles of CO(g) are availabe for the reaction
  83. Chemistry

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

    After 56.0 min, 25.0% of a compound has decomposed. What is the half-life of this reaction assuming first-order kinetics?
  85. science

    you plan to measure the thermal energy released durning a chemical reaction what tool would you use
  86. Chemistry

    After 62.0 min, 11.0% of a compound has decomposed. What is the half-life of this reaction assuming first-order kinetics?
  87. college chem

    How do i write the overall reaction equation for the synthesis of aluminum potassium sulphate dodecahydrate
  88. chemistry!

    How many grams of NH3 can be produced from the reaction of 17.8 moles of H2 and a sufficient supply of N2? N2 + 3H2 ---> 2NH3
  89. Science

    I'm doing an assignment and one of the questions is explain the reaction using the Big Idea of Energy. I don't know how to answer it please help!
  90. chemistry

    What is the ∆G for the following reaction between O3 and O2? 3O2(g) 2O3(g) Given: O3: ∆H = 285.4 kJ ∆S = -137.14 J/K) 109.5 kJ 208.3 kJ 300.2 kJ 326.3 kJ
  91. W.H.Atwell

    Does 2Na 2H2O 2NaOH H2 shows that the total mass during a chemical reaction stays the same?
  92. Chemistry

    For the reaction shown, compute the theoretical yield of the product (in grams) Ti(s)+2Fe(g) = TiF2(s) 6.0 g Ti, 6.0g F2
  93. Chem

    Use the following reactions to arrange the elements A, B, C, and D in order of their redox activity, from greatest to least. 2 A + B2+ --> 2 A+ + B B + D2+--> B2+ + D A+ + C -->No reaction 2 C + B2+ --> 2 C+ + B Can someone explain? thanks
  94. Chemistry

    After 79 mins 20.0% of a compound has decomposed. What is the half life of this reaction assuming first-order kinetics?
  95. chemistry

    write the balanced chemical equation for the reaction that occurs when BaCl2.2H2O is heated.
  96. Chemistry

    The solubility product for Ni(OH)2(s) is 1.6 ✕ 10−16. Calculate the value of ℰ° for the following half-reaction. Ni(OH)2 + 2 e− → Ni + 2 OH − I have no idea what equation to use or how to solve this problem
  97. Chemistry

    How to draw the abbreviated structural formula in truncated form of reaction known as esterification of glycerol.
  98. chemistry

    CaCl2(aq) + 2NaHCO3(aq) = CO2(g) + CaCO3(aq) + 2NaCl(aq) + H2O(l) what kind of chemical reaction is this? Please help me
  99. Chemistry

    What mass of phosphoric acid will be produced from the reaction of 10.00g of P4O10 with 12g water?
  100. Chemistry

    At 319K the decomposition of dinitrogen tetroxide occurs with the following Kp: 2NO2(g)<>2NO(g)+O2(g) Kp=.700 What is the value of Kc for this reaction?