1. homeschool

    What are the products of the double-replacement reaction between potassium chloride and silver acetate?

    asked by Lucy on December 16, 2012
  2. chem

    what substance is oxidized in following reaction 4 HCl+MnO2 and Cl2+2H2O+MnCl2

    asked by daisy on September 20, 2010
  3. chemistry

    When hydrochloric acid is mixed with magnesium and a flame is put in the tube what causes a reaction?

    asked by chris on December 19, 2008
  4. chemistry

    Write a net equation for the reaction between aqueous solutions of Na2HPO4 and H2CO3.

    asked by brad on April 27, 2010
  5. college chemistry

    I was wonder what bromine/glacial acetic acid solution is used for during the bromination of acetanilide reaction

    asked by Anonymous on July 18, 2013
  6. Chemistry

    What type of reaction occurs between zinc and Acetic acid? I think it is double replacement but I am not sure. Thank for the help :)

    asked by Anon on December 18, 2012
  7. 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?

    asked by Drew on April 30, 2016
  8. Chemistry

    P4 + 5O2 P4O10 , 1.5 moles of product were made in 30 seconds. What is the rate of reaction?

    asked by Joe on February 19, 2014
  9. chemistry

    identify the type of reaction that occurs between potassium carbonate and nitric acid

    asked by Morgan on January 16, 2015
  10. Chemistry

    What are transferred in an oxidation-reduction reaction? atoms*** electrons ions protons

    asked by Holly on May 19, 2016
  11. Chemistry

    2C2H2(g) + 3O2(g) 4CO(g) + 2H2O(g) What is delta G° for this reaction in J/mol? (T = 298.17 K)

    asked by Jon on January 13, 2015
  12. chemistry

    consider the following reaction: Mg(s)+ 2HCl(aq) --> MgCl2 (aq)+H2 (g) What minimum amount of 1.75 M HCl is necessary to produce 27.5 L of H2 at STP?

    asked by Zoe on April 26, 2010
  13. Chemistry

    How many grams of calcium carbonate are consumed per 500 g of sulfur (IV) oxide? in what reaction?

    asked by LaShanda on May 31, 2007
  14. Chemistry

    Write the balance equation and the reaction type when magnesium is added to HCl

    asked by John b on November 21, 2011
  15. chemistry

    Calculate the mass of water produced from the reaction of 24.0 g of H2 and 160.0 g of O2. What is the limiting reagent?

    asked by Anonymous on June 2, 2008
  16. Chemistry

    What role does a catalyst play in a chemical reaction in terms of rate and yield

    asked by Many on November 8, 2012
  17. Chemistry

    given: 25.9 kJ + 1/2 H2 + 1/2 I2 => HI how much energy is needed for the reaction of 4.57x10^24 molecules of iodine, I2, with excess hydrogen, H2?

    asked by Zack on December 19, 2012
  18. Organic Chemistry

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

    asked by Ariel on November 29, 2011
  19. Physical science

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

    asked by Nomfundo buthelezi on June 19, 2011
  20. chemistry

    Balance equation and type of reaction thx! 1. Al(HSO3)3 + O2 ---> 2. Ag + Cu(NO3)2 ---> 3. N2O4 --->

    asked by cindy on October 30, 2013
  21. Chemistry

    Balance the reaction step-wise: As2S3(s) + NO3^- + H^+(aq) to AsO4(aq) + S(s) + NO(g) + H2O(l)

    asked by Subhan on April 19, 2016
  22. chemistry

    Considering the reaction i2 h2=2hi energy change =( tive) and give reasons how "HI" will be produced

    asked by idiani on February 10, 2015
  23. reactions

    if you have 66.6g NH3 how many grams of F2 are required for a complete reaction? PLEASE SHOW ALL WORK AND/OR STEPS!!!!

    asked by Anonymous on February 7, 2010
  24. science

    An equation has carbon dioxide and water as its products, what type of reaction has taken place?

    asked by billy on January 9, 2016
  25. Chemistry help please!

    In the reaction: n2(g) + 3H2(g) -> 2NH3(g), nitrogen is A. electrolyzed B. synthesized C. oxidized D. reduced e. None of these

    asked by Charleze on May 23, 2010
  26. chemistry

    Write a balanced equation for the reaction between perchloric acid and lithium carbonate.

    asked by Samantha on April 15, 2015
  27. chemistry

    Discuss the spontaneity of an electrochemical reaction in terms of its standard emf (E¨¬cell)

    asked by Jin on July 22, 2010
  28. Organic Chem

    Write a balanced equation showing the reaction of trimyristin and aqueous NaOH

    asked by Ruth on October 11, 2011
  29. chemistry

    what happens when a hot empty coke can is put in a icy cold water ? what is the reaction?

    asked by alice on October 17, 2007
  30. 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

    asked by Duffy on June 8, 2009
  31. Chemistry

    Calculate Keq for 2 moles of electron(s) in each half-reaction and a standard potential of 0.55 V.

    asked by JUNDY on April 13, 2015
  32. Chemistry

    Calculate ΔGo (in J) for 2 moles of electron(s) in each half-reaction and a standard potential of 0.57 V.

    asked by JUNDY on April 13, 2015
  33. Chemistry

    What is the overall order of reaction for the elementary system A+2B=products? a)0 b)1 c)2 d)3 e)5 Can somebody explain this question to me. I don't get it.

    asked by Bob on July 25, 2010
  34. Chemistry

    A chemist requires 0.780 mol Na2CO3 for a reaction. How many grams does this correspond to?

    asked by Tisha on October 2, 2012


    asked by SHANICE on December 7, 2010
  36. Chemistry

    What is the theoretical justifaction for the order of reaction rates of a cycloalkane, cycloalkene, and benzene?

    asked by Olivia on December 8, 2010
  37. College Chemistry Really Need Help


    asked by KEVIN on December 8, 2010
  38. College Chemistry..Urgent!


    asked by shanice on December 8, 2010
  39. Chemistry

    For the following battery: Cd(s) | CdCl2(aq) || Cl–(aq) | Cl2(l) | C(s) Write the reduction half reaction for the C(s) electrode.

    asked by Jematormal91 on May 11, 2012
  40. chemistry

    what are the phases of all the reactants and products in the reaction 2Al + Fe2O3--->2Fe + Al2O3?

    asked by bethany on October 5, 2011
  41. chemistry

    What are the the missing reactants for the double-displacement reaction that produces PF5 and AsCl3 ?

    asked by Crystal on January 2, 2012
  42. chemistry

    Predict the products of the chemical reaction aluminum + iron(III) oxide

    asked by Pedro on December 5, 2010
  43. chm

    What is the theoretical yield of iron if we begin the reaction with 10.5g of AL (assume an excess of Fe2)3)

    asked by karol on October 21, 2011
  44. Science

    Why is the formation of iron hydroxide, Fe(OH)2, from Fe2+ and OH- not considered an oxidation-reduction reaction?

    asked by Nancy on March 11, 2008
  45. Help

    Fibrin is produced when the blood components called what start chain reaction

    asked by Please on December 3, 2010
  46. chemistry 101

    The value of kp at 20°c for the reaction 2NO(g) + Cl2(g) 2NOCl(g) is 1.9x10^3 atm-1 calculate the value of KC at the same temperature.

    asked by Sidney on December 4, 2015
  47. Chemistry

    Complete and balance this equation for a combination reaction. Be + O2 ==> Would it be Be + O2 ==> BeO2 ? or... 2Be + O2 ==> 2BeO ? Why??

    asked by Jack on March 15, 2010
  48. Chemistry

    determine the mass of titanium and iodine that react if 1.38 x 10 to the third kJ of heat emitted by the reaction

    asked by Helen on May 3, 2015
  49. Chemistry

    What would be the products of this chemical reaction?? Co(NO3)2 (aq) + NH3 (aq) = ?????? a precipitate is supposed to be formed.

    asked by Anna on October 18, 2011
  50. chemistry

    Balance the redox reaction of eq. Cu2S + SO4(-2) gives CuO + SO2 (Acidic )

    asked by Anonymous on May 27, 2015
  51. chem

    Explain clearly why changes in base concentration do not affect the observed reaction rate of an E1 elimination.

    asked by tim on October 24, 2011
  52. chemistry

    is the reaction between Copper sulfate and zn exothermic or endothermic and does that involve the activity series?

    asked by johnny on April 28, 2015
  53. Biology

    How can you explain that Biurets reaction with amino acids as compared to other protein substances?

    asked by Tommy on November 4, 2007
  54. Chemistry

    Find delta G knot for the following reaction: 2Ch3OH(l) + 3O2(g) --> 2CO2(g) + 4H2O(g)

    asked by Summer on January 2, 2012
  55. Organic Chemistry

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

    asked by Blair on February 20, 2009
  56. Chemistry

    Balance the reaction using half reactions under BASIC conditions: Al + CrO4^-2 ---> Al(OH)3 + Cr(OH)3 I'm not sure how to do this question.

    asked by Sara on May 19, 2015
  57. Chemistry

    The following reaction has a Delta G value of 42.6 kJ/mol at 25oC: HB(aq) +H2O(l) --> H3O+(aq) +B-(aq) Calculate Ka for the acid HB.

    asked by Jake on May 7, 2012

    How does temperature change during a chemical reaction. (Note: it has to be a Endothermic and exothermic reactions) Thanks

    asked by DEEZ GOT HEE on December 22, 2015
  59. chemistry

    Please help me!!! Write a balanced chemical equation for oxidation-reduction reaction of fluorene

    asked by Yusuf on January 2, 2016
  60. chemistry

    should magnesium metal be stored on the same shelf as copper chloride (redox reaction)

    asked by shinchan on December 23, 2011
  61. chemistry

    At 25C, Kc= 3.7x10^9 for the reaction CO(g) + Cl2(g) equilibrium with COCl2(g) Calculate the Kp at this temperature.

    asked by Wolf on October 9, 2007
  62. Science

    Why do all salts crystals have a distinctive cubic shape? And what happens to these atoms during this chemical reaction?

    asked by Emily on February 29, 2008
  63. CHEM

    4.69 of S is reaction with oxygen calculate the volume of SO2 in mL formed at 33 degrees C and 1.14 atm

    asked by aPRIL on June 5, 2012
  64. communcation

    what do you think would be the reaction of a reader if the topic sentences in an essay did not align with the supporting points

    asked by lorraine bonner on November 6, 2011
  65. Science

    If you began with 36 grams of water how many hydrogen and oxygen can you produce in a decomposition reaction

    asked by Sammh on March 1, 2016
  66. chemistry

    Write the reaction equation for calcium carbide producing ethanoic acid

    asked by Priya on May 2, 2008
  67. Chemistry

    Solve with half equation reaction SO3 2- + MnO4 -=SO4 2- + Mn2+

    asked by Kabih kush on November 5, 2015
  68. COM 155

    What would be the reaction of a reader if the topic sentences in an essay did not coincide with the supporting points?

    asked by confused by adverbs and adjectives on August 28, 2010
  69. chem uni

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

    asked by CAMELA on February 14, 2015
  70. chemistry

    write a balanced chemical reaction representing the combustion of hexane? C6H14

    asked by April on February 6, 2012
  71. Chemistry

    How do i balance the oxidation-recution reaction Al(s)+MnO4(aq)-->MnO2(s)+Al(OH)4(aq) if it is in a basic solution?

    asked by Anonymous on September 6, 2007
  72. chemistry

    Why doesn't the hydrogen produced in the Lithium/water reaction catch fire?

    asked by Rebecca on December 15, 2007
  73. chemistry

    how many grams of Zn metal would you use to prepare 6.8g of zinc chloride according the reaction: Zn(s)+2HCl(aq)-> ZnCl2(aq)+H2(g)

    asked by jane on March 10, 2016
  74. chemistry

    how many grams of Zn metal would you use to prepare 6.8g of zinc chloride according the reaction: Zn(s)+2HCl(aq)-> ZnCl2(aq)+H2(g)

    asked by jane on March 10, 2016
  75. chemistry

    Suggest a type of reaction and the conditions required to breakdown polyamides into their monomers.

    asked by Joshua on May 8, 2008
  76. chemistry

    how many molecules of Xef6 are formed from 12.9L at 298K and 2.6atm according to the following reaction. assume excess is Xe

    asked by marie on June 27, 2009
  77. chemistry

    why is polystyrene cup use rather than a glass beaker to conduct exothermic or endothermic reaction?

    asked by lassy on February 12, 2018
  78. Chemistry

    What is the net ionic equation, including phases, for the reaction of AgNO3(aq) with K2SO3(aq)

    asked by Patty on July 2, 2015
  79. chemistry

    What is Delta H rxn for the following chemical reaction? H2O(l) + CCl4(l)-> COCl2(g) + 2HCl(g)

    asked by Rachel on September 5, 2011
  80. chemistry

    Where can I find the reaction that produces ethyl formate, which is Methanol and Methanoic acid?

    asked by Johnathan on April 26, 2008
  81. chemistry

    Predict wheter or not the following reaction will be spontaneous, please explain Br2(l) + Cl2(l) + 29.3 kJ --> 2 BrCl(g)

    asked by Sarah on April 6, 2008
  82. physics

    using newtons third law explain what is meant by action and reaction pairs of forcess

    asked by Anonymous on September 29, 2011
  83. chemistry

    What is the net ionic equation for the reaction Copper (II) chloride and sodium hydroxide?

    asked by Avonlea on October 7, 2007
  84. science

    What actually happens if we mix the chloroform with hexane? what is the exact reaction between them & is the resulting product ia stable?

    asked by shilpa on May 11, 2010
  85. Chemistry

    What is the equilibrium constant for the reaction: HCOOH(aq)+ OH (aq) HCOO(aq)+ H2O(l) Ka= 1.7 * 10^-4 Kb for the conjugate base= 4.9 * 10^-11 Thank you!

    asked by Molly on May 11, 2010
  86. chemistry

    net ionic equation for reaction between copper carbonate and the hydroiodic acid

    asked by Jeff on March 21, 2015
  87. science

    which of the following does not affect reaction rate balancin, temperature surface area or concentration?

    asked by roland on September 28, 2011
  88. Chemistry

    total ionic equation for the reaction between hydrochloric acid and potassium hydroxide?KI(aq)A. K+ + I- B. K2+ + I2- C. K+(aq) + I-(aq) D. K2+(aq) + I2-(aq)

    asked by Jarred on August 14, 2010
  89. Chemistry

    What is the pH of a 0.125 M solution of a weak base if ∆H° = -28.0 kJ and ∆S° = -175 J/K for the following equilibrium reaction at 25°C: B (aq) + H2O (l) ↔ BH+ (aq) + OH- (aq)

    asked by Mika on December 15, 2011
  90. chemistry

    How many grams of Cu(OH)2 can be produced from the reaction of 0.500g Cu with 30.0 mL of 3.0M NaOH? Which reactant is the limiting reagent?

    asked by angie on September 14, 2011
  91. chemistry

    write a balanced equation for the reaction between sulfuric acid and calcium metal

    asked by ryan on May 13, 2012
  92. chemistry

    Calculate ΔGo (in J) for 2 moles of electron(s) in each half-reaction and a standard potential of 0.44 V

    asked by moe on November 9, 2015
  93. chem

    The value of ΔH° for the reaction below is -1107 kJ: 2Ba (s) + O2 (g) → 2BaO (s) How many kJ of heat are released when 5.75 g of BaO (s) is produced?

    asked by jean on March 25, 2018
  94. Chemistry

    Is 3HCl(aq)+HNO3(aq)->Cl2(g)+NOCl(g)+2H2O(l) an oxidation-reduction reaction?

    asked by Heather on September 23, 2012
  95. chemistry

    Calculate the mass of water produced from the reaction of 24.0 g of H2 and 160.0 g of O2. What is the limiting reagent?

    asked by tonette on January 27, 2010
  96. Chemistry

    Separate this redox reaction into its component half-reactions. O2 + 2Mg----> 2MgO

    asked by Brianna on July 25, 2013
  97. chemistry

    Complete and balance this reaction: sulfuric acid reacts with barium chloride

    asked by Ciaria on March 4, 2015
  98. Theology 9 - HELP!!!!!!!!!!!

    What does Bethany Hamilton's reaction reveal about her strength of character? (Soul Surfer)

    asked by Laurn on October 17, 2013
  99. chemistry

    How do i find the change in the moles gas for a reaction? example MgCO3 = MgO +CO2

    asked by Shea on November 2, 2010
  100. chemistry

    What is the balanced chemical equation for the reaction used to calculate of delta Hdagrees f of CaCO3(s)?

    asked by Lilit*** on October 20, 2008