1. college

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

    questions related to yield of chemical reaction.
  3. Chemistry

    What is the ionic equation for hydrolysis reaction of NH4C2H2O2 ? Thanks.
  4. chemistry

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

    Need type of reaction and balance of (NH4)2S+CuSO4=
  6. Chemistry

    What is the rate law of the reaction 2NO2 gives N2O4?
  7. Chemistry

    Calculate G° for each reaction using G°f values. MnO2(s) + 2 CO(g) Mn(s) + 2 CO2(g)
  8. chemistry

    If you have 64.3 g NH3, how many grams of F2 are required for complete reaction?
  9. chem

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

    How much heat (in kilocalories) is released when 7.87g of Al is used in the reaction?
  11. chem

    write the balanced half-reaction for the conversion of Fe(s)to Fe+2(aq)
  12. Science

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

    Which of the following shows the correct dissolution reaction for BaCl2?
  14. organic chemistry

    what is the first and second step in a alkene halogenation reaction
  15. physics

    reaction of lead nitrate with sodium iodide
  16. Chemistry

    Determine the enthalpy of the following reaction. 2M(s) + 3Cl2(g) ---> 2MCl3(s)
  17. chemistry

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

    If a reaction mixture contains 28 of , 150 of , and 36 of , what is the limiting reactant?
  19. science

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

    How much heat is produced by the complete reaction of 5.29 kg of nitromethane?
  21. chemistry

    write the reaction for the dehydration of CuSO4 . XH20?
  22. Science

    How are these related? reractant, product, and chemical reaction
  23. HINDS CC

    HOW MANY GRAMS OF N2O ARE FORMED IF 0.46 OF NH4NO3 IS USED IN THE REACTION
  24. chem - asap

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

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

    who was the first scientist to identify a nuclear bombardment reaction?
  27. Chemistry

    What is the equation for the reaction of potassium soap with HCL?
  28. GSGS

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

    is it possible for the reaction between two aqueous solutions to be neither endothermic or exothermic?
  30. science

    what is the difference between a chemical reaction and physical separation.
  31. science

    hi can someone please help me What is the chemical reaction mechanism of ozone depletion thank you
  32. Chemistry

    Chemical reaction for converting polythene to ethanol
  33. Chemistry

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

    Indentify the products of the following reaction: Al + NaOH -> ?
  35. Science, chemistry

    Electrophilic substitutions reaction of pyrrole
  36. Chemistry

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

    Why is photosynthesis an example of a chemical reaction, and why is it classified as endothermic?
  38. chemistry

    How do you balance a chemical reaction word equation?!
  39. CHEM

    Calculate G° for each reaction using G°f values. MnO2(s) + 2 CO(g) Mn(s) + 2 CO2(g)
  40. Chem 1411

    Predict the product in the combination reaction below. Al(s) + N2(g)
  41. chemistry

    what is the following reaction? HNO3(aq) + KOH(aq) ---> KNO3(aq) + H2O(l)
  42. science

    Torque due to action-reaction force is zero?
  43. Chemistry

    OH- + C6H5CH2COOH H2O + C6H5CH2COO- What is the K for the reaction above in terms of Ka's, Kb's, Kw etc.?
  44. chemistry

    What are the products of a reaction between NaCl, HNO3, and AgNO3?
  45. Chemistry

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

    Bronsted reaction HCO3-+HF<--> acid?+base?
  47. Chemistry

    explain why glucose 1,6 bisphosphate would not be able to go through the aldolase reaction.
  48. chemistry

    given reaction at equilibrium, if Kp=1.05 at 250 degree celcius, then kc =
  49. Chemistry

    Calculate the enthalpy change at 300kalven for the reaction?
  50. Science

    how is energy produced during a nuclear fusion reaction?
  51. Chemistry

    What is the equation for the reaction between stearic acid and ammonia?
  52. science

    Why is photosynthesis an example of a chemical reaction, and why is it classified as endothermic?
  53. Chemistry

    which sign of chemical reaction is not detectable by sight?
  54. chemistry

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

    Is CO2 a product of an acid/base reaction?
  56. Chem

    What is the enthalpy for the following reaction? C2H4+H2O--->C2H5OH
  57. Chemistry

    Is this reaction exothermic or endothermic? Fe(NO3)3+ NaSCN
  58. chemistry

    calculate the value of the equilibrium constant K for this reaction A+B <--> C from the following information 3C <--> D Kc= 7.1*10^-4 D <--> 3A + 3B Kc= 2.9*10^-2
  59. Chemistry

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

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

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

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

    what kind of reaction is the formation of sodium chloride
  64. chem

    Why do we have to remove air bubbles in a chemical reaction?
  65. Science

    Why is photosynthesis an example of a chemical reaction, and why is it classified as endothermic? Help please
  66. Chem.

    What is the overall stoichiometry for the reaction between iodide and peroxydisulfate ions?
  67. Chemistry

    Hess'slaw can be applied to calculate the reaction is?
  68. chemistry

    The equation Mg(s) 2HCl(aq)---MgCl2 (aq) H2(g) is an example of which type of reaction?
  69. Chem

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

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

    Classify the reaction between zinc and acetic acid.
  72. biology

    what is the chemical reaction that produces a polymer for of a biomolecule?
  73. science

    the spectator ions of all substance that are soluble of the reaction
  74. Chem

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

    Draw the mechanism of the reaction of (E)-stilbene with Br2.
  76. economics

    can one determine that a project was successful by the customers reaction?
  77. O-Chem

    What stereoisomers would be created by the reaction of (Z)- stilbene with bromine?
  78. Chemistry

    Explain why a catalyst speeds up a chemical reaction.
  79. Chemistry

    Provide the products for this reaction: CH3O- +CH3SH -> ????
  80. science

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

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

    could the products ever become the reactants in chemical reaction? explain. thanks!
  83. science

    what is the difference between a physical change and a chemical reaction
  84. chem

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

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

    What are the major organic products of this reaction: CH3CH2CH2COCH2CH3
  87. CHEM

    At 1100 K, Kp = 0.25 for the following reaction. 2 SO2(g) + O2(g) 2 SO3(g) What is the value of K at this temperature?
  88. Chemistry

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

    At 1100 K, Kp = 0.25 for the following reaction. 2 SO2(g) + O2(g) 2 SO3(g) What is the value of K at this temperature?
  90. Chemistry

    Hi I hope you can understand this...the Na ion is attached to the oxygen using ionic bonding. The \/ are meant to symbolize the hydrocarbon chain. The || is a double bond that bonds oxgen to carbon. O || Na O/\/\/\/\/\/ + CaCl2 -> ? + NaCl To give you
  91. geometry

    If two lines are perpendicular, then the two lines form right angles. If lines Imported Asset and Imported Asset are perpendicular, then they form right angles. If two lines are perpendicular, then the two lines form right angles. Therefore, since lines
  92. chemistry

    A STUDENT STUDYING THE FE+3- HSCN equilibrium put into a test tube 10.00ml of 2.00 x 10-3 M Fe(NO3)3 with 10.0 mL of 2.00 x 10-3 M HSCN.THE H+ in the resulting solution was manteined at 0.500.By spectrophotometric analysis of the equilibrium solution, the
  93. Higher Maths

    Show that these three points , P(-8,3), Q(-3,4),R(-6,-7), Form a right angled triangle and name the right angle? There are two ways of doing this: 1) determine the slopes for all lines, and the pair that have a right angle will have a negative inverse
  94. Mathematics 1 of 3

    1. Simplify and write in standard form. Then, classify the polynomial by degree and number of terms. (5x^3 + 3x^2 - 7x + 10) - (3x^3 - x^2 + 4x - 1) 2. Simplify and write in standard form. Then, classify the polynomial by degree and number of terms. (9w -
  95. Physics

    Physics question on identify the reaction? I am having trouble with the question a, b, and c in this physics problem: One or more external forces are exerted on each object enclosed in a dashed box shown in the figure below. Identify the reaction to each
  96. Biology

    5’-CGCACCTGTGTTGATCACCTAGCCGATCCACGGTGGATCCAAGGC-3’ ||||||||||||||||||||||||||||||||||||||||||||| 3’-GCGTGGACACAACTAGTGGATCGGCTAGGTGCCACCTAGGTTCCG-5’ Tip: If you want to see a review of PCR, we recommend this amazing animation and virtual lab made
  97. Biology

    5’-CGCACCTGTGTTGATCACCTAGCCGATCCACGGTGGATCCAAGGC-3’ ||||||||||||||||||||||||||||||||||||||||||||| 3’-GCGTGGACACAACTAGTGGATCGGCTAGGTGCCACCTAGGTTCCG-5’ Tip: If you want to see a review of PCR, we recommend this amazing animation and virtual lab made
  98. Chemistry

    1. Which of the following is one way to prevent the corrosion of iron? A. Paint exposed iron parts with protective paint. B. Protect the iron from polluted air. C. Add carbon to the iron. D. Let the iron develop a natural coat of carbonate. 2. The source
  99. chem

    "The percentage of sodium hydrogen carbonate, NaHCO3, in a powder for stomach upsets is found by titrating .275 M hydrochloric acid. if 15.5 mL of hydrochloric acid is required to react with .500 g of the sample, what is the percentage of sodium hydrogen
  100. chemistry

    Write the equation for the reaction, if any, that occurs when each of the following experiments is performed under standard conditions. a) crystals of iodine are added to an aqueous solution of potassium bromide. b) liquid bromine is added to an aqueous