1. Chemistry

    Use the data in Table 15.3 to calculate the equilibrium constant for the following reaction: HCOOH(aq) + OH(aq) <-->HCOO(aq) + H2O(l)
  2. 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
  3. Chemistry

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

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

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

    Write the anodic reaction for the electrolysis of zinc chloride solution using platinum electrode
  7. Science

    Given the following balanced equation, determine the rate of reaction with respect to [O2]. 2 SO2(g) + O2(g) → 2 SO3(g)
  8. Chem SCC

    Complete this equation for the reaction of NaHCO3(s) + HC2H3O2(aq) ---> Include phase symbols.
  9. 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)?
  10. 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)
  11. Chemistry

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

    Balance the redox reaction.2NaClO3+4HCl-2ClO2+2H2O+2NaCl+Cl2
  13. chemistry

    Determine the entropy change for the following displacement reaction Cl2(g) + PbBr2(aq) --> PbCl2(aq) + Br2(l
  14. 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)
  15. chemistry

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

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

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

    What is the written equation for the oxidation reaction of hydrogen chloride 4hcl+o2=2cl2+2h2o
  19. CHEMISTRYYY

    What mass of PCl3 forms in the reaction of 70.6 g P4 with 268 g Cl2 ? P4 + 6Cl2 → 4PCl3
  20. chemistry

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

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

    Write the balanced molecular equation for the reaction between lithium phosphate and calcium nitrate.
  23. Organic Chemistry

    Draw the product of the reaction: CH3CH2CH (double bond) CH2 + Cl2
  24. Chemistry

    How can reaction intermediates in an organic synthesis be separated and recovered using thin layer chromatography?
  25. chem uni

    Insert correct coefficients it is a redox reaction Al2+MnO2=Al2O3+Mn
  26. chemistry

    write the equilibrium constant expression for each reaction a.) NH3(g)+ CIF3(g)-><3HF(g) +1/2N(g) +1/2Cl2(g)
  27. science

    I have to draw Atomic Model Drawings of the Reaction to H2CO3 and then show a balance check. How do I do that?
  28. chemistry need help

    In general, which reaction(forward, reverse, or neither) is favored if the value of K at a specified temperature is a. equal to 1? b. very small c. very large
  29. Chemistry

    Does adding chromium and sulfuric acid together make a reaction? What about aluminum bromide and magnesium?
  30. chemistry

    how do i write this reaction in cell notation I2(s) + 2MnO4-(aq) + 4H+(aq) → 2IO3-(aq) + 2Mn2+(aq) + 2H2O(l)
  31. 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?
  32. 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?
  33. Physical science

    A little hexane is poured into a crucible and burnt what is a balanced chemical equation for this reaction
  34. Chemistry!!

    how would i do this problem?? Given this equation: 2SO2(g) + O2(g) ---> 2SO3(g) If 50.0 grams of S02 react, what is delta H for the reaction?? how would i do that??
  35. chemistry

    In general, which reaction(forward, reverse, or neither) is favored if the value of K at a specified temperature is a. equal to 1? b. very small c. very large
  36. college chemistry

    I was wonder what bromine/glacial acetic acid solution is used for during the bromination of acetanilide reaction
  37. 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
  38. 8th grade science

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

    Write a balanced chemical equation for each single replacement reaction. A) Au(s) + KNO3(aq) ==> ??? B) Al(s) + H2SO4(aq) ==> ???
  40. 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-
  41. Chemistry

    A Balanced equation to represent the reaction between 1-pentanol and ethanoic acid. (Production of an ester)
  42. chemistry

    How many grams of HCl must be used to produce 10.0L of chlorine gas at STP? Reaction: 2HCl (g)--->H2 (g)+Cl2 (g)
  43. Chemistry

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

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

    when water is boiled in a pot, it bubbles. Has a chemical reaction occurred? Explain your answer.
  46. Chemistry

    Calculate the standard enthalpy change for the following reaction at 25 °C. MgCl2(s) + H2o(l) ---> MgO(s) + 2HCl(g)
  47. 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
  48. Chemistry

    Calculate the equilibrium constant for the following reaction at room temperature, 25 ∘C: N2(g)+O2(g)→2NO(g)
  49. Chemistry

    In the reaction KNaC4H4O6 + H2O + COCl2 * 6H2O ¨ what r the products? and is the tartrate ion the catalyst?
  50. Science

    For the reaction 2zn+o2=2zno, how many grams of zinc oxide are produced from 2.25g of oxygen?
  51. Chemistryor

    Will Zn(NO3)2 react in a metathesis reaction with NACl, BACL2, NAIO3 or AL2(SO4)3
  52. 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?
  53. chemistry

    Examine the unbalanced electrolytic reaction. Li+(aq) + Zn(s) → Li(s) + Zn2+(aq) How many electrons are transferred in the balanced equation? 4 1 2 3
  54. science

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

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

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

    since action and reaction are exactly equal and oppositely directed,how is it possible for a net force to be acting on a body?
  58. 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
  59. Chemistry

    Write 3–4 sentences to describe how coupling reactions are used to drive an unfavorable chemical reaction
  60. annandale

    If a lab group were using hydrochloric acid to perform a substitution reaction, which precaution would not be a concern?
  61. Organic Chemistry

    Some 2-methyl-2-butene may be produced in the reaction as a by-product. Give a mechanism for its production.
  62. 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.
  63. Chemistry

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

    how would I do the elimination reaction of 2-chloropentane. When I figured it out I got the products as being 1-pentene and hydrogen chloride. Is this correct?
  65. chemistry

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

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

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

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

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

    Balance the following redox reaction in acidic solution: H3PO4 + HNO2--> N2O4 + H3PO3
  71. 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?
  72. 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
  73. AP Chemistry

    Given the Na+/Na and K+/K half-cells, determine the overall electrochemical reaction that proceeds spontaneously and the E0 value. Answer in units of V
  74. chem

    Please calculate the energy involved in the following chemical reaction, given the values below: 2Ag + H2S --> Ag2S + H2 -24 -33
  75. 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
  76. 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!
  77. CRYSTAL VIOLET HYDROXYLATION REACTION

    does anyone have the spartan pre-lab images/info they'd like to share? :)
  78. 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?
  79. chem

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

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

    if the rate of a reaction doubled with temperature increase from 30 to 40 degrees celcius, what is the activation energy
  82. chemistry

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

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

    at some temperature, Keq=33 for the reaction H2 + I2 -> 2HI. If initially, [H2]= .0600 M and [I2]= .0300 M, what are all three equilibrium concentrations?
  85. Chemical kinetics (chemistry)

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

    Calculate the amount of heat transferred when 21.0 of CH3OH(g) is decomposed by this reaction at constant pressure.
  87. chemistry

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

    write a balanced chemical equation for the following reaction including states not complete; no question.
  89. chemistry

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

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

    For a reaction: AB arrow A+B, rate=k[AB]^2and k=0.2L/mol.s a)how long it will take for [AB] to reach its initial concentration of 1.5M
  92. Chemistry

    How much heat is associated with the burning of 2.27 g of methane in the following unbalanced reaction: CH4(g) + O2(g) →CO2(g) + H2O(g)?
  93. 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)
  94. 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
  95. 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?
  96. Chemistry

    Calculate the standard enthalpy change for the following reaction at 25 °C.? 2CH3 OH(g) + 3O2(g) -------- 2CO2(g) + 4H2O (g)
  97. 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!!!
  98. Chemistry

    AgNO3 + NaCl <--> AgCl + NaNO3 What happens when nitric acid (HNO3) is added to the reaction?
  99. chemistry

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

    At some temperature, Keq = 33 for the reaction H2 + I2 „³ 2HI. If initially, [H2] = .0600 M and [I2] = .0300 M, what are all three equilibrium concentrations?