1. science

    223 RA arrow + 4 88 a 2 complete the following reaction
  2. science

    223 RA arrow + 4 88 a 2 complete the following reaction
  3. Organic Chem

    Why is Diels Alder reaction stereospecific?
  4. Chem

    Is this half-reaction H2(g) + 2 OH-(aq) ===> 2 H2O(l) = 2 e reduction or oxidation?
  5. Chemistry

    how do you write the reduction half-reaction of ions?
  6. science

    write the balanced half reaction for the conversion of CL(g)to Cl-(aq)
  7. chem

    write the balanced half-reaction for the conversion of Fe(s)to Fe+2(aq)
  8. American History

    What was the action and reaction of the Treatyof Paris?
  9. chem

    evaluate E^0 for the half reaction: CO2 (g) + 2H + 2e^- <--> HCOOH ( Aq)
  10. science

    what happens to a catalyst in the end of a chemical reaction?
  11. life science

    What does Glycolysis reaction need to proceed?
  12. biology

    what is the major source of energy for cellular reaction?
  13. college

    What is the molecularity of the elementary reaction? SO_3(g)-->SO_2(g)+O(g)
  14. Chemistry

    what is the balanced chemical equation for the reaction between Fe and S? ?Fe + ?S -->
  15. chemistry

    is the fizz from soda pop a chemical reaction?
  16. Chemistry

    What kind of reaction is the following equation? Ca + H20 -> Ca(OH)2 + H2 (g)
  17. science

    What is the label reaction of Na2O+H20->2NaOH ?
  18. Organic Chemistry

    Carbocation: In which reaction mechanism is it an intermediate?
  19. Chemistry

    What is the equilibrium constant of the reaction 2NO2 (g) with 3.0 M and N2O4 with 2.5M
  20. Chemistry

    Write a balanced equation for each reaction Al + Cl2 -->
  21. Chemistry

    What are the major organic products of this reaction: CH3CH2CH2COCH2CH3
  22. chemistry

    What is the net ionic equation for the reaction of H2SO3 with Ba(OH)2?
  23. Chemistry

    Why is there no reaction between Cr2(SO4)3 and Na2SO4?
  24. Chemistry

    Why is there no reaction between Cr2(SO4)3 and Na2SO4?
  25. adult education

    summarizes the processes of allergic reaction
  26. Chemistry

    How many grams of Ni(OH)2 are produced from the reaction of 30.0 mL of 1.75 M NaOH solution?
  27. Science

    What is the combustion reaction for Isopropyl Alcohol (C3H8O)?
  28. chemistry

    write the reaction for the dehydration of CuSO4 . XH20?
  29. chemistry

    WHAT TYPE OF CHEMICAL REACTION IS FORMED FROM Mg + O2----MgO
  30. chemistry

    What is the net ionic equation for the reaction of AgNO3 with Ba(OH)2?
  31. chemistry

    What reaction would you get if you added sodium to water ?
  32. Science

    The half-reaction of 3 Pb + 2 NO3 + 8 H-->3 Pb2+ + 2 NO + 4H2O
  33. Chemistry

    What mass of CO2 could be formed from the reaction of 16 g of CH4 with 32 g of O2 ?
  34. Science

    What are the common ways of deciding that a reaction has occured?
  35. Chemistry

    give the reaction when lead nitrate is heated
  36. Science

    How are these related? reractant, product, and chemical reaction
  37. chemistry

    which is the more active metal Co+Cr(NO3)2....no reaction
  38. chem - asap

    write the equation for the reaction of fecl2 with k3[fe(cn)6]???
  39. chem - asap

    write the equation for the reaction of fecl2 with k3[fe(cn)6]???
  40. CHEM - ASAPPP

    write the equation for the reaction of fecl2 with k3[fe(cn)6]???
  41. science

    what is the balance chimical reaction for sulfuric acid?
  42. Chemistry

    Is this reaction exothermic or endothermic? Fe(NO3)3+ NaSCN
  43. Chemistry

    Calculate the enthalpy change at 300kalven for the reaction?
  44. physics

    What does it mean when they say that action equals reaction?
  45. Chemistry

    What compounds can be formed by the reaction of K2SO4 and BaCI2?
  46. chemistry

    How do you balance a chemical reaction word equation?!
  47. chemistry

    questions related to yield of chemical reaction.
  48. chemistry

    Write a balanced reaction for the formation of Fe2O3 (s)?????
  49. chemistry

    which of the following is not a driving force for a chemical reaction?
  50. Chemistry

    What is the Net Ionic Reaction for NaOH(aq) + H2SO4(aq)-->
  51. physics

    reaction of lead nitrate with sodium iodide
  52. GSGS

    what is a limiting reagent of the reaction CuSO4 and Pb(NO3)2
  53. Chemistry

    What is the value of K for this aqueous reaction at 298 K? A+B<==> C+D delta G= 23.41 kJ?
  54. chem

    what volume of 1M NaOH is needed for the reaction with 1L of 1M HCl?
  55. Chemistry

    which sign of chemical reaction is not detectable by sight?
  56. Chemistry

    What is the ionic equation for hydrolysis reaction of NH4C2H2O2 ? Thanks.
  57. Chemistry

    If ions O^2- are added to water, what reaction, if any, occurs?
  58. Chemistry..

    Reaction type that is being represented? S D SR DR C C3H6 + O2 --> ?
  59. Chemistry

    What is the enthalpy for the following reaction? N204 = 2NO + O2
  60. Chemistry

    Can the reaction 2Ni(s)+MgSo4(aq) occur.Explain why?
  61. Chemistry

    What is the equation for the reaction of potassium soap with HCL?
  62. Chemistry

    Is Cl2 + 2e- -> 2Cl- an oxidation half-reaction?
  63. Chemistry

    Is Cl2 + 2e- -> 2Cl- an oxidation half-reaction?
  64. chemistry

    balanced equation for the reaction of HNO3 + STARCH +KI
  65. chemistry

    What is the balanced equation for a reaction of iron with chlorine?
  66. science

    what is the product or reaction between H3O + AgNO3?
  67. science

    what is the product or reaction between H3O + AgNO3?
  68. Chemistry

    Provide the products for this reaction: CH3O- +CH3SH -> ????
  69. Chemistry 10

    reaction of AgNO3 with BaO... Would it be Ag^+ + O^---> AgO (s)
  70. chemistry

    Is CO2 a product of an acid/base reaction?
  71. Science

    The action and reaction forces in any situation will always be ----- and ----.
  72. Chemistry

    A+2B--->2C Kc=2.27 2c--->D Kc=0.144 Calculate the equilibrium constant for the reaction D--->A+2B
  73. Chem

    Bronsted reaction HCO3-+HF<--> acid?+base?
  74. Chem

    What is the oxidation half-reaction for Mg(s)+ZnCL2(aq)>MgCL2(aq)+Zn(s)?
  75. Chem

    What is the product for the reaction of Ni(s) + 2Na^+(aq)? I don't think this is possible no?
  76. Chemistry

    Chemical reaction for converting polythene to ethanol
  77. chemistry

    Not sure how to complete this chemical reaction: Li + Fe(NO3)3 --->
  78. O-Chem

    Draw the mechanism of the reaction of (E)-stilbene with Br2.
  79. chemistry

    Balance redox reaction. Fe(s) + O2(g) + H2O(l)-->Fe2+(aq) +OH-
  80. chemistry

    how do I write the rate of the reaction for the following: Cl(g)+O3(g)-> ClO(g)+O2(g)
  81. chemistry 30

    Calculate the enthalpy of reaction for the combustion of ethene.
  82. biology

    Does Aspirin do something to the reaction of amylase with starch ?
  83. Chemistry

    In which condition(s) can I get this reaction: Fe + H2SO4 = Fe2(SO4)3 + H2
  84. Chemistry

    Explain why a catalyst speeds up a chemical reaction.
  85. Science

    How do I write the correct dissolution reaction for BaCl2
  86. Chemistry

    How much heat (in kilojoules) is released on reaction of 5.30 g of Al?
  87. chemistry

    what can be separated into atoms with a chemical reaction.
  88. english

    dyslexia-'please describe a typical reaction'
  89. chemistry

    what is the reaction between potassium chloride and bromine?
  90. Science, chemistry

    Electrophilic substitutions reaction of pyrrole
  91. Chemistry

    Which reaction below represents the second ionization of Lr?
  92. Chemistry

    A reaction of hydrolysis of Ba(NO) in a net ionic form?
  93. Chemistry

    If a chemical reaction uses 140 g of N2. How many moles is this? n=m/M
  94. science

    2Zn+O2=2ZnO. What type of chemical reaction is it
  95. chemistry

    a 60.0 g sample of chromium at 82.0 degrees celsius was place in 80.0 g of water. Assume there is no loss of heat to the environment. What is the final temperature of the water and chromium? The initial water temperature was 24.0 degrees celsius
  96. chemistry

    1. A student wanted to measure the amounts of (Ca2+) in the human blood. She got 1.00ml which she treated with Na2C2O4 solution. The resulting Ca2C2O4 precipitate was filtered and dissolved in dilute H2SO4 to release C2O42- into solution and allow it to be oxidized. The ...
  97. science

    Nitrate concentrations exceeding 44.3 mg NO3-/L are a concern in drinking water due to the infant disease, methemoglobinemia. Nitrate concentrations near three rural wells were reported as 0.01 mg NO3- N/L, 1.3 mg NO3- N/L, and 20.0 mg NO3- N/L. Do any of these three wells ...
  98. Chem. Again

    28: You have a glass of pure water. Are chemical reactions occurring in the water? If so, what are they? If not, explain why not. 29: While investigating the effects of acid rain in your area, you discover a lake that is surprisingly resistant to changes in pH caused by acid ...
  99. Chemistry

    4NH3+5O2 = 4NO + 6 H20 If a container were to have 10 molecules of O2 and 10 molecules of NH3, initially, how many total molecules (reactants plus products) would be present in the container after this reaction goes to completion?
  100. Chem II - Equilibrium

    6.75 g of SO2Cl2 was placed in a 2.00L flask. At 648 K 0.0345 moles of SO2 was present. Kc for the reaction SO2Cl2 <=> SO2 + Cl2 is _____ 3.83 x 10 -2 4.71 x 10 -3 1.12 x 10 -2 6.12 x 10 -4 Ok, on this one, I think I am missing something. Don't I need Kc if I don't have ...
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