1. Chemistry

    Classify each reaction and balance the equations. Al(OH)3 ==> Al2O3 + H2O
  2. chemistry

    is putting gas in a vehicle a physical or chemical reaction
  3. chemistry

    what amount of ethanol is needed for combustion reaction for a 20 oz bottle?
  4. Science

    In the reaction X+Y (R) Z, Z is the A)Substrate B)Product C)Enzyme D)Carbon Molecule
  5. College Chemistry

    The eqm. Constant for a reaction is 2.48 at 25°C. what is the value of ΔG° (kJ) at this temperature? (R=8.314 J/k mol)
  6. science

    In the reaction X+Y (R) Z, Z is the A)Substrate B)Product C)Enzyme D)Carbon Molecule
  7. Chemistry

    N2 + 3H2 --> 2NH3 how many grams of ammonia is produced in the reaction?
  8. College Chemistry

    The eqm. Constant for a reaction is 2.48 at 25°C. what is the value of ΔG° (kJ) at this temperature? (R=8.314 J/k mol)
  9. science

    The rate constants for a first order decay reaction are found to be:
  10. Chem

    How do you predict when a reaction goes non-spontaneous if you have delta h Stotal and deltaS
  11. chemistery

    what is the chemical reaction for the equilibrium that the haber process manipulates
  12. Chemistry

    what type of reaction is AgF + CaCl2 --> AgCL + CaF2 ?
  13. Chemistry

    How many grams of Ni(OH)2 are produced from the reaction of 45.0mL of 1.75 M NaOH solution?
  14. Chemistry

    Here is a chemical reaction Fe + O2--> Fe2+O3 what was Antonie Lavoiser rusting?
  15. chemistry

    equation of the reaction of hydrochloric acid and iron sulphide
  16. Chemistry

    Calculate the amount of H2 produced from the reaction of 4.25 grams Zn and 25 ml of 3.0 M HCL.
  17. Chemistry

    Calculate the amount of H2 produced from the reaction of 4.25 grams Zn and 25 ml of 3.0 M HCL.
  18. chemistry

    How many grams of dichloromethane result from reaction of 1.60 of methane if the yield is 48.8 ?
  19. biology

    does dark reaction helps in transmittance and conservation of energy
  20. Chemistry

    How do I balance the following reaction in acidic conditions? N2O4 + S8 = NO + H2SO3????
  21. chemistry

    What functional group(s) must be present in a monomer of a condensation reaction?
  22. chemistry prt 3

    What is the net ionic equation of the reaction of MgSO4 with NaOH
  23. ap chem

    What volume of 5M HF will 4g Ca react completely according to the reaction Ca+2HF-->O+CaF2+H2
  24. chemistry prt 2

    What is the net ionic equation of the reaction of MgCl2 with NaOH
  25. college chemistry

    How do you calculate delta[S2O8 2-] in iodine clock reaction?
  26. Chemistry

    Given the following reaction at equilibrium, if Kc = 1.90 x 1019 at 25.0 °C, Kp = __________. H2 (g) + Br2 (g) ↔ 2 HBr (g)
  27. chemistry

    why is the head temperature kept below 90 c in the initial step of the dehydration reaction?
  28. Chemistry

    For the reaction 2 N2O O2 + 2 N2 what happens to the equilibrium position if the pressure is increased
  29. Chemistry

    Hello, Is there a reaction when NaNO3 is added to some H2O? Or does it just dissolves? Please explain why, thanks!
  30. kumar

    The addition of a catalyst during a chemial reaction alters which of the following quantities?
  31. CHEMISTRY

    How many oxidation states Should a substance have at least to undergo Disproportionation reaction ? thanks
  32. electrochemistry gr 12

    Will there be a reaction is a magnesium strip is placed in a solution containing Ca2+ ions?
  33. biology

    what is the chemical reaction that produces a polymer form of a biomolecule?
  34. chemistry

    How to solve CoCl2+HO2- ------> Co(OH)3+ Cl- by half reaction method
  35. chemistry

    What is a complete ionic equation for the reaction between Pb(NO3)2 and NaI?
  36. chemistry

    how can AgCl(s) be dissolved completely? write an equation for the reaction
  37. chemistry

    give the state symbols of the reaction: 2H2 +O2 =2H2O
  38. chemistry

    classify each reaction and balance the equation Al(OH)3--> Al2O3 + H2O
  39. chemistry

    in a exothermic reaction temperature changed from 30 to 43, reasons why I got those answers
  40. chemistry

    What functional group(s) must be present in a monomer of a condensation reaction?
  41. Chemistry

    Balance Redox using reactions by the 1/2 reaction method. NaIO3 (aq) + KI (aq) -->„³ I2 (s)
  42. Chemistry

    AP Chem - Which element is oxidized in the following reaction: CuO(s) + H2 (g)  Cu(s) + H2O (l)
  43. chemistry

    What is the balanced equation for reaction between hydrochloric acid and water?
  44. chem

    What functional group(s) must be present in a monomer of a condensation reaction.
  45. English

    Contrat the reaction of Hamlet, Laertes to their father's death.
  46. CHEMISTRY

    WHICH IS LIMITING REAGENT IN FOLLOEING REACTION 3Mg +N2 =Mg3N2
  47. chem

    is An antacid neutralizes stomach acid. a chemical reaction?
  48. chemistry

    According to this chemical reaction, which is the number of grams of Fe produce from 14 moles of H2?
  49. science

    write the balaced half-reaction for the conversion of Fe(s) to Fe2+(aq)
  50. chemistry

    What is the ∆G for the following reaction under standard conditions (T = 298 K) for the formation of NH4NO3(s)?
  51. chemistry

    what is a double replacement precipitation reaction and limiting reactants
  52. chemistry

    What os the balanced equation for the reaction between ethanoic acid and water?
  53. History

    What was king george's reaction to the boston tea party?
  54. science

    Is an icing propane regulator concidered an endothermic reaction?
  55. chemistry

    write the balanced half reaction for the conversion of Cl2(g)to Cl-(aq)
  56. science

    Write an equation to show reaction of pop with water
  57. physical science

    what reaction do you get when adding 3 tespoons of Na2S2O3 to 50 ml of boiling water
  58. chemistry

    C+HNO3=H2CO3+H2O+NO2 which type of reaction is it.
  59. science

    writing balanced chemical reaction of K2CO3 (s) with HCl (aq)??
  60. Science

    Reaction between potassium dichromate and sulphir dioxide gas?
  61. Gen Chem

    Can the rate of a nuclear reaction be changed by an increase of temperature?
  62. chemistry

    For the reaction: 2SO2(g) + O2(g) = 2SO3(g) conducted at 25°C and 1 atm. Calculate H°, S°, G°
  63. Physical science

    What did svante arrhenius discover about the reaction between an Acid and a Base?
  64. Chemistry

    The chemical equation for ionic reaction between Na2S and AgNO3??
  65. Chemistry

    Please help, do you have any pointers on how to use linear regression in determining the reaction order
  66. chemistry

    how does an increase in pressure affect the following reaction? C2H2(g)+H2(g) C2H4(g)
  67. chemistry

    What ions separate once added to water and how did the reaction occur?
  68. chemistry

    How much heat is produced by the complete reaction of 5.91kg of nitromethane?
  69. Chemistry

    In the. Reaction (Na2co3+CaCl2-->2NaCl+caco3) The precipitate is :
  70. Physics

    What is the reaction of the earth pulling down on a pen that is lying on a table
  71. chemistry

    How to prove that sodium hydroxide is a base with the help of an equation for the reaction
  72. Chem

    Write the balanced overall reaction from these unbalanced half-reactions ln--->ln^3+ Cd^2+--->Cd
  73. chemistry

    write the equation for the reaction of mixing 4 ml of 3 M (ho)2so2 with 7 ml of 0.2 M naclo4
  74. reading

    Describe Ralph's physical features and also his reaction to being on the island
  75. Chemistry

    What is the balanced equation for the reaction of 3.000 g of K2CO3 and HCl?
  76. biology

    Describe the to type of energy changes that can occur in a chemical reaction Thanks
  77. chemistry

    Does particle size have more or less of an effect on the rate of reaction than temperature?
  78. Chem

    At a particular temperature, Kc = 54 for the reaction H2(g) + I2 (g) 2 HI(g). One mole of HI is placed in a 3.0-L container. What would be the equilibrium concentration of HI?
  79. chemistry

    What ions separate once added to water and how did the reaction occur?
  80. chemistry

    At 1100 K, Kp = 0.25 for the reaction 2SO2(g) + O2(g) equilibrium with 2SO3(g) What is the value of Kc at this temperature?
  81. chemistry... HELPP

    What is the cell potential for the reaction Mg(s) + Fe^2+(aq) -----> Mg^2+(aq) + Fe (s) at 63 degrees celsius when [Fe^2+]= 3.30 M and [Mg^2+]= 0.110 M
  82. Chemistry

    write a sentence for the following reaction PCl5(s)=PCl3(s)+Cl2(g)
  83. Physics

    What is the energy released in the fusion reaction: 2H+2H--> 4He + Q? How do I calculate this?
  84. Chemistry

    Why does sulfric acid make the electrolysis reaction of H2 and O2 go more rapidly?
  85. financial management

    From an investor’s viewpoint, what would be your reaction to purchasing or holding bonds?"
  86. chemistry

    what is the rate law for NO+O3=NO2+O2 in second order reaction if [NO] Doubled
  87. organic chemistry

    what are the formulas of the salts that may precipitate when the reaction mxture is cooled?
  88. chem

    what mass of Cl2 is produced from the reaction of 665 g of Hal
  89. chemistry

    When 24.2 kg of Fe2O3 react with 14.5 kg of CO and 5.4 kg of Fe are recovered, what is the percent yield for the reaction?
  90. physical science

    A substance whose 0xidation number decreases during a chemical reaction
  91. Chemistry

    Write the equation for the reaction of mixing 2 ml of 3 M (HO)2SO2 with 9 ml of 0.2 M NaClO4
  92. Science

    In the reaction X+Y (R) Z, Z is the A)Substrate B)Product C)Enzyme D)Carbon Molecule
  93. chemistry

    Account for the increase in reaction rate brought about by a catalyst.
  94. chemistry

    ferus amonium sulphate reaction with sulphuric acid
  95. Science

    Reaction between potassium dichromate and sulphur dioxide gas??
  96. chemistry

    What ions separate once added to water and how did the reaction occur?
  97. science

    explain the Eutectic and Eutectoid reaction in cast irons
  98. Chemistry

    Writing balanced chemical reaction of K2CO3 (s) and HCl (aq) ???
  99. Chemistry

    The half life for a first order reaction is know to be 4.5 h. How long will it take for 85% to be decomposed, in h?
  100. chemistry

    complete the equation for the reaction of the soap with magnesium chloride