1. Chemistry

    if from 10 moles NH3 and 5moles of H2SO4 all hte H-atoms are removed in order to from H2 gas, then find the no. of H2 molecules formed

    asked by Gd ngfbjdx on April 17, 2018
  2. chemistry

    if from 10 moles NH3 and 5moles of H2SO4 all the H-atoms are removed in order to from H2 gas, then find the no. of H2 molecules formed.

    asked by shish on June 17, 2014
  3. Chemistry

    if from 10moles of NH3 and 5moles of H2SO4 allH atoms are removed then find the no. of H2 Molecules Formed

    asked by shrihari on September 1, 2017
  4. Chemistry

    If from 10 moles NH3 and 5 moles of H2S04,all the H-atoms are removed in order to form H2 gas,then find the number of H2 molecules formed.

    asked by Prateek on July 19, 2017
  5. chem

    Are these correct? Rank the following species in order of increasing acidity. Explain your reasons of ordering them as you do. NH3 ,H2SO4, CH3OH, CH3COOH CH3COOH > H2SO4> CH3OH >NH3 Rank the following species in order of increasing basicity. Explain your

    asked by manny on August 21, 2007
  6. Chemestry

    Fe2o3+co=2Feo+co2 104.5moles +104.5moles=how many moles how i solved it

    asked by LALATENDU on June 1, 2018
  7. Chemistry

    Which pair of samples contains the same number of hydrogen atoms two moles of NH3 and three moles of N2H4 two moles of NH3 and one mole of N2H4 four moles of NH3 and three moles of N2H4 one mole of NH3 and one mole of N2H4

    asked by Brandon on June 29, 2011
  8. chemistry

    how many moles of ammonium sulfate can be made from the rxn of 30.0 mol of NH3 with H2SO4 according to the following equation: 2NH3 +H2SO4-->(NH4)2SO4

    asked by Sara on May 28, 2012
  9. Chemistry

    How many moles of ammonium sulfate can be made from the reaction of 30.0 mol of NH3 with H2SO4 according to the following equation? 2NH3  H2SO4 ¨ (NH4)2SO4

    asked by Tiers on May 27, 2010
  10. Chemistry

    Hello I need help with this excersise: How many moles of NH4Cl are neccesary to add to 1 liter of solution of Co2+ 0,20 M in order to prevent the precipitation when the solution is saturated with H2S (0,1M) and the pH is 7,50. It 's known that pKbNH3=4,75

    asked by Mary on September 2, 2016
  11. Chem Moles

    Use this equation: N2 + 3 H2 ---> 2 NH3 If 3.00 moles of H2 were used, how many moles of NH3 would be made? If 0.600 moles of NH3 were produced, how many moles of H2 are required?

    asked by Theresa Kent on December 15, 2014
  12. Chemistry

    A few questions...how many grams are in 48.7x10^24? I don't know how to convert atoms to grams. I can do moles to grams or moles to atoms, but not atoms to grams. My other problem is how do you convert moles to moles as in "how many moles of Cu2O are

    asked by Angeline on April 20, 2009
  13. stoichiometry

    in an attempt to to provide a means of generation of NO cheaply, gaseous NH3 is burned with 20% excess oxygen according to the equation 4NH3+5O2=4NO+6H2O The reaction is 70% complete. the NO is separated from the unreacted NH3, and thelatter is recycled.

    asked by Matilda on January 13, 2016
  14. Quick chemistry check

    Indicate whether each of the following statements is true or false. 1. One mole of NH3 weighs more than one mole of H2O IS this false 2. There are equal numbers of hydrogen atoms in one mole of H2 and one mole of H20. Is this true? 3. There are more

    asked by Anonymous on February 26, 2015
  15. chem

    Calculate the equilibrium concentration of NH3,Cu^2+,[ Cu(NH3)]^2+ ,[Cu(NH3)2]^2+,[Cu(NH3)3]^2+,and[Cu(NH3)4]^2+ in a solution made by mixing 500.0 ml of 3.00 M NH3 with 500.0 ml of 2.00*10^-3 M Cu(NO3)2. The sequential equilibria are Cu^2+

    asked by jack on November 17, 2015
  16. chemistry

    a. How many atoms of hydrogen are in 25.0 g of ammonia (NH3)? Use the format 6.02E+23 for 6.02 x 10^23 b. How many atoms of nitrogen are in the same amount of ammonia I know to find the number of atoms in a gram of a sample you must multiply by 6.02*10^23.

    asked by kellie on September 20, 2010
  17. Chemistry

    Consider the following reaction: 4NH3 + 7O2 (arrow) 4NO2 + 6H2O. A) How many moles of NH3 react with 5.64 mol of O2? B)How many moles of NO2 are obtained from 3.27 mol of O2? C) How many moles H2O will be produced from 8.95 g of NH3? D)How many grams of

    asked by Apryl on July 1, 2014
  18. chemistry

    if all the oxygen from 1.8 gram glucose and 9.8 H2So4 are removed and converted to o2 how many moles are prepared?

    asked by tanvir on June 5, 2014
  19. chemistry

    500.0 g of ammonia react with 51.0 moles of sulfuric acid to produce ammonium sulfate. How many moles of excess sulfuric acid are left over after the reaction is complete? 2 NH3 (aq) + H2SO4(aq) → (NH4)2SO4 (aq)

    asked by Anonymous on March 22, 2011
  20. Chemistry

    Based on the following balanced equation: 2 NH3 + 2 O2 -->N2O + 3 H2O a. How many moles of O2 are required to react completely with 6.00 moles of NH3? b. How many grams of O2 are required to react completely with 6.00 moles of NH3? c. How many moles of H2O

    asked by Anonymous on April 29, 2015
  21. Chemistry

    I need help with this in order to correctly complete my other related problems. Thank you so much in advance =) Arrange the following 0.1 M solutions in order of increasing pH and state why you placed each solution in that position: NaCH3COO, HCl, HCN,

    asked by Samantha on April 15, 2012
  22. Chemistry

    I need help with this in order to correctly complete my other related problems. Thank you so much in advance =) Arrange the following 0.1 M solutions in order of increasing pH and state why you placed each solution in that position: NaCH3COO, HCl, HCN,

    asked by Samantha on April 15, 2012
  23. Chemistry Help

    How many moles of hydrogen atoms are there in 178 mL of 0.20 M H2SO4? Write your answer in scientific notation. Please help

    asked by annoymous on March 3, 2015
  24. Chemistry

    Posted by Angeline on Monday, April 20, 2009 at 5:35pm. A few questions...how many grams are in 48.7x10^24? I don't know how to convert atoms to grams. I can do moles to grams or moles to atoms, but not atoms to grams. My other problem is how do you

    asked by Angeline on April 21, 2009
  25. chemistry

    if all the sulphur atoms from 9.8 kgh2so4 are removed and converted to s8 than how many moles of s8 can be prepared?

    asked by sonu on June 5, 2014
  26. Chemistry (11th grade)

    we have the following equation- 2HCl+CuSO4 yields H2SO4+CuCl2. the question is if 7 moles of HCl react, how many moles of H2SO4 will be produced?

    asked by scott swing on June 4, 2012
  27. chemistry

    can some one help me with a few chem questions please. A chunk of iron weighs 4.32 g. a) How many iron atoms are there in this sample? 55.85 g Fe = 1.00 mol Fe = 6.022 x 1023 atoms Fe b) How many moles of iron are there in this sample? 2. . You have a

    asked by anna on November 13, 2015
  28. chemistry

    if+all+nitrogen+atoms+from+.1+mole+No2+and+.2+N2o4+are+removed+then+how+many+moles+of+n2+can+be+prepared+from+it

    asked by sonu on June 5, 2014
  29. Chemistry

    srry I placed the question in the wrong spot. The equation is 2NH3 N2 + 3H2 1 mole of NH3 injected intoa 1L flask 0.3 moles of H2 was found the concentration of N2 at equlibrium is 0.1M how do I find the concentration of NH3 at equlibrium? (N2) = 0.1 (H2)

    asked by Bethany on May 8, 2007
  30. Chemistry

    for the reaction 2NaOH + h2SO4 yieda 2H2O + Na2SO4 if .80 moles of NaOH are used, how many moles of H2SO4 must be used?

    asked by Connor on May 3, 2013
  31. college chem

    The cation M2+ reacts with NH3 to form a series of complex ions as follows: M2+ + NH3 M(NH3)2+ K1 = 102 M(NH3)2+ + NH3 M(NH3)2 2+ K2 = 103 M(NH3)2 2+ + NH3 M(NH3)3 2+ K3 = 102 A 1.0 × 10–3 mol sample of M(NO3)2 is added to 1.0 L of 15.0 M NH3 (Kb = 1.8

    asked by richard on April 24, 2011
  32. chemistry

    3 h20 + N2 yields 2 NH3 how many moles of ammonia NH3 would be produced by reacting 6.00 moles of hydrogen H2 with an adequate amount of nitrogen N2

    asked by kathy on April 28, 2009
  33. Chem

    Which coordination compound will most likely form a precipitate when treated with silver(II) nitrate (aqueous)? [Cr(NH3)3Cl3] [Cr(NH3)6Cl3] Na3[Cr(CN)6] Na3[CrCl6] I tried the solubility rules, but that didn't work out. Any help would be great. I made a

    asked by Londy on April 21, 2007
  34. chemistry

    what is the Molarity (M) of a 0.87m aqueous solution of ammonia, NH3? The density of the solution is 0.823 g/mL. Answer: 0.71 M So I have: 0.823 g H2O+NH3/1 ml H2O+NH3 17.034 g NH3/1 mol 18.016 g H2O/1 mol 0.87 mol NH3/1 kg H2O I've tried this several ways

    asked by molality--->molarity on July 10, 2011
  35. Science

    H2SO4. It's asking for the number of atoms and the total atoms. Do I just put 7 atoms for both questions?

    asked by M on January 7, 2015
  36. Science

    H2SO4. It's asking for the number of atoms and the total atoms. Do I just put 7 atoms for both questions?

    asked by M on January 8, 2015
  37. Chem

    a container of 2.00 moles of an ideal gas as 1000 K undergoes a constant pressure and volume process in which the number of moles is increased to 5moles. what is the final temperature of the gas. How do I start this? Do I somehow use the ideal gas law?

    asked by Don on November 30, 2010
  38. Chemistry

    Determine the number of moles of N2 that are required to produce 12 mol of NH3 using the equation, N2 + 3H2 --> 2NH3. 12 mol NH3 x 1 mol N2/2 mol NH3 = 6 moles of N2.

    asked by Beth on November 29, 2015
  39. CHEMISTRY HELPPPP!!!!!!!!!

    Consider the decomposition of NH3 (g). 2 NH3 (g) → N2 (g) + 3 H2 (g) The reaction is catalyzed on a surface of either tungsten or osmium. The activation energies for the catalyzed and uncatalyzed reactions are given below. W Ea = 163 kJ/mol Os Ea = 197

    asked by anon on March 12, 2015
  40. Chem

    Superscript 15 How many moles of Pb is 9.3 X 1015 atoms of pb? 1 mol of Pb atoms will contain 6.02 x 10^23 atoms of Pb. So 9.3 x 10^15 atoms x (1 mol/6.02 x 10^23 atoms) = ? note how the unit "atoms" cancel leaving mol and that is the unit we want. thanks

    asked by Chris on February 6, 2007
  41. chemistry

    2 litre of NH3 at 30°C and at 0.20 atmosphere is neutralized by 134 mL of a solution of H2SO4. Calculate normality of H2SO4

    asked by jaimi on April 16, 2015
  42. chemistry

    A 100.0 mL sample of 0.10 M NH3 is titrated with 0.10 M HNO3. Determine the pH of the solution before the addition of any KOH. The Kb of NH3 is 1.8 × 10-5. I thought that I would need a second volume to find the moles of NH3?

    asked by Sydney on November 6, 2014
  43. Chemistry

    Convert 3.01 x 10^23 atoms of silicon to moles of silicon. on my paper i have the equations moles S = 3.01 x 10^23 atoms x 1 mole/6.022x10^23 atoms but i'm not sure how to do this. help?

    asked by John on September 26, 2012
  44. chemistry

    how many moles of oxygen are needed to react with 3.5moles of ethylene, considering the combustion of ethylen C2 H4 + 3O2 -- 2CO2 + 2H2 O how would i solve this question what would be the steps

    asked by Jazminh on April 14, 2010
  45. chem.(sci)

    ___NH3+___O2->N2+H2O (this is not balanced) how many moles of oxygen react with 0.23 moles of NH3? HOW many moles moles of N2 will be produced when reacted with 5 mol of O2?

    asked by tyneisha on January 24, 2013
  46. Chemistry

    Two questions: 1) NaCl+H2SO4+NH3=Cl2+? 2) KF+AgNO3+NH3=? I've been agonising over these for the past few hours, but can't seem to make any headway. Please help.

    asked by Dan on August 24, 2007
  47. CHEMISTRY

    25cm^3 of a solution of NaOH required 28cm^3 of 1.0 mol dm^-3 H2SO4 to neutralise it. a)Write an equation for the reaction. b)How many moles of H2SO4 were needed? c)How many moles of NaOH were thus neutralised? d)How many moles of NaOH are there in 25cm^3

    asked by Ava on October 21, 2013
  48. Chemistry

    I could use some help please. Ammmonia, NH3, can be made by reacting Nitrogen with Hydrogen. N2+3H2=2NH3 How many moles of NH3 can be made if 7.5 moles of H2 react eith enough N2? Thank-you in advance for any help

    asked by Sara on March 18, 2013
  49. science

    Ammonia, NH3, can be made by reacting nitrogen and hydrogen and the equation is N2 + 3H2 --> 2NH3 How many moles of NH3 can be made if 12 moles of H2 react with enough N2? mol

    asked by heather on August 24, 2017
  50. Chemistry

    N2 + 3H2 =2NH3 How many molecules of H2 are represented in the reaction? How many nitrogen atoms are represented in the reactants? How many moles of NH3 are formed?

    asked by Camilla on March 24, 2016
  51. CHEM MOLES !@@!

    Mole Calculation Worksheet 1) How many moles are in 15 grams of lithium? 2) How many grams are in 2.4 moles of sulfur? 3) How many moles are in 22 grams of argon? 4) How many grams are in 88.1 moles of magnesium? 5) How many moles are in 2.3 grams of

    asked by Theresa on December 17, 2014
  52. CHem Part 2

    Part of the SO2 that is introduced into the atmosphere by combustion of sulfur containing compounds ends up beingh converted to sulfuric acid. 2SO2 (g) + O2 (g) ---> 2H2SO4 (aq) How much sulfuric acid can be formed from 5 moles of SO2, 2 moles of O2 and an

    asked by Kim on November 2, 2006
  53. chemistry

    Which of the following is a conjugate acid-base pair? A. H2SO4, H2SO3 B. NH3, NO2 C. CH3OH, CH3COOH D. HF, H2F E. NH3, NH4+

    asked by cs on November 29, 2010
  54. chemistry

    IF ALL NITROGEN ATOMS FROM .1 MOLE nO2 AND .2 MOLE N2O4 ARE REMOVED THEN HOW2 MANY MOLES OF N2 CAN BE PREPARED FROM IT?

    asked by tanvir on June 5, 2014
  55. chemistry

    Ammonia, NH3, can be made by reacting nitrogen with hydrogen. N2 + 3H2 = 2NH3 How many moles of NH3 can be made if 7.5 moles of H2 react with enough N2? Please help!

    asked by Britt on March 19, 2012
  56. Chemistry

    I need to find the pH of a 500 mL solution of pure water after adding 33.0 mg of H2SO4 and 18.0 mg of HCl. Please help! So far I have tried to find the moles of 33.0mg of H2SO4 and got 3.24. Then I calculated pH by multiplying the subscript of H (2) by the

    asked by Nicole on November 28, 2016
  57. science

    I am doing a titration lab and need help with a problem. (i used .100M H2SO4)(I used 10.0 ml of Ba(OH)2 solution and added 50.0 ml of distilled water making 60.0 ml total.) 1. Use the titration results to calculate the moles of H2SO4 that were used to

    asked by Charles on October 12, 2013
  58. CHEMISTRY

    A 1.000 L vessel is filled with 2.000 moles of N2, 1.000 mole of H2, and 2.000 moles of NH3. When the reaction N2(g) + 3 H2(g) ⇀↽ 2 NH3(g) comes to equilibrium, it is observed that the concentration of H2 is 2.53 moles/L. What is the numerical value of

    asked by Kira on January 12, 2015
  59. Chemistry

    Ok, Need some more help... This is what I have so far. 4. Urea (NH2)2CO is prepared by reacting ammonia with carbon dioxide. The byproduct is water. 637.2g of ammonia are reacted with 787.3 g of carbon dioxide. molar mass:NH3=17 CO2=44 CO(NH2)2=60.1 a. (10

    asked by Jennie on February 26, 2015
  60. Chemistry

    Ok, Need some more help... This is what I have so far. 4. Urea (NH2)2CO is prepared by reacting ammonia with carbon dioxide. The byproduct is water. 637.2g of ammonia are reacted with 787.3 g of carbon dioxide. molar mass:NH3=17 CO2=44 CO(NH2)2=60.1 a. (10

    asked by Jennie on February 26, 2015
  61. Chemistry

    A 23.596 g sample of aqueous waste leaving a fertilizer manufacturer contains ammonia. The sample is diluted with 79.504 g of water. A 13.803 g aliquot of this solution is then titrated with 0.1098 M HCl. It required 29.02 ml of the HCl solution to reac

    asked by Mike on November 14, 2011
  62. chemistry

    A 23.596 g sample of aqueous waste leaving a fertilizer manufacturer contains ammonia. The sample is diluted with 79.504 g of water. A 13.803 g aliquot of this solution is then titrated with 0.1098 M HCl. It required 29.02 ml of the HCl solution to reac

    asked by Mike on November 14, 2011
  63. chemistry

    How many moles of oxygen are there in 23.5g of H2SO4? (numbers are subscripts)How many oxygen atoms? How many grams of oxygen?

    asked by Ralph on February 16, 2010
  64. 11th grade Chemistry

    [mole-mole] How many moles of NaOH are needed to react with 5.0 moles of sulfuric acid, H2SO4??? Equation: H2SO4 + 2 NaOH ---> Na2 SO4 +2 H2 O

    asked by Jenny on March 30, 2009
  65. Chemistry

    Need Help! 1. Ammonia is produced by the reaction of hydrogen and nitrogen. N2(g)+3H2(g)→2NH3(g)ammonia How many moles of N2 reacted if 0.65mole NH3 is produced? How many moles of NH3 are produced when 1.2moles H2 reacts? 2.In the acetylene torch,

    asked by Jennie on February 28, 2015
  66. chemistry

    Arrange the following 0.1 M solutions in order of increasing pH and state why you placed each solution in that position: NaCH3COO HCl HCN NaOH NH3 NaCN KNO3 H2SO4 NH4CL H2SO3 NaHCO3 Na3PO4 CH3COOH

    asked by Kat on March 27, 2011
  67. Chemistry 12

    15. The concentration of hydroxide ions in a solution of nitric acid 0.2 M is: a. 2 x 10-14 M b. 5 x 10-14 M c. 5 x 10-7 M d. 2 x 10-1 M 16. Aqueous solutions of strong acids and strong bases: a. are good electricity conductors b. make litmus paper become

    asked by Need Help on December 3, 2012
  68. chemistry

    How many hydrogen atoms are in 0.0542 mol of H2SO4? Answer in units of atoms H

    asked by Anonymous on October 9, 2014
  69. Chemistry

    A volume of 10cm^3 of 2M H2SO4 is placed in a volumetric flas of 250cm^3 and filled to the mark with distilled water. What is the molar conc. of the H2So4 in the flask? After I found how many moles there are in 10cm^3, which is 0.02 mol, what is my next

    asked by Matt on December 30, 2012
  70. Chemistry

    For H2SO4 + 2NaOH = 2H2O + Na2SO4 n(H2SO4) = 9.65g/98g/mol = 0.098 n(NaOH) = 6.10g/40g/mol = 0.15 mol 1 mole of H2SO4 is = to 1 mole of Na2SO4. H2SO4 yields 0.098 mol of Na2SO4. 2 moles of NaOH is = to 1 mole of Na2SO4. NaOH yields 0.076 moles of Na2SO4.

    asked by Anonymous on April 5, 2018
  71. chemistry

    how many moles of zinc atoms are need to supply the same number of atoms as 56.0g of argon? #mol Zn=56.0gAr x 1mol/40g = 1.40mol Zn? since it has the same amount of atoms I don't have to multiply anything else?

    asked by sh on January 7, 2009
  72. chemistry

    A sample of ammonium phosphate(NH4)3PO4 contains 3.18 moles of hydrogen atoms. The number of moles of oxygen atoms in the sample is (1)0.265 (2)0.795 (3)1.06 (4)4.00

    asked by Anonymous on July 1, 2015
  73. Science

    Find the amount Atoms and the total amount of elements for each formula HCl 2 elements and 2 atoms H2SO4 3 elements 7 atoms KI 2 elements 2 atoms H2O 2 elements 3 atoms

    asked by M on January 6, 2015
  74. chemistry

    How many milliliters of 0.205 M NH3 solution will exactly react with 50.0 mL of 0.150 M H2SO4 solution? 2NH3(aq) + H2SO4(aq) → (NH4)2SO4(aq)

    asked by bryce on October 29, 2010
  75. science

    Is this balanced correctly NaOH + H2SO4 = Na2SO4 + H2O? In this equation, Sodium (Na) and Hydrogen (H) atoms are not balanced. There are 2 atoms of Sodium (Na) on Right Hand Side, so we can multiply NaOH with 2 on Left Hand Side. This balances the Sodium

    asked by duane on July 12, 2014
  76. Chemistry

    There is a question on my assignment that's asks how many moles of atoms are in x mol of CO2 (and a few others). Let X represent 5x10^-4. How do I do this? Teacher didn't really teach us this. I know in one mol of CO2 there is 2 moles of oxygen atoms, so

    asked by Logan on October 13, 2015
  77. AP CHEMISTRY

    An experiment was carried out to determine the value of the equilibrium constant Kc for the reaction. Total moles of Ag+ present = 3.6 x 10-3 moles Total moles of NH3 present = 6.9 x 10-3 moles Measured concentration of Ag(NH3)2+ at equilibrium= 3.4* 10-2

    asked by Jamba on March 12, 2012
  78. science

    H2SO4 is labeled 93.2% and density 1.94g/cm3. Find moles in H2SO4?

    asked by chris on April 24, 2016
  79. Chemistry 12

    9. According to Arrhenius, which of the following groups contain: i)only acids ii)only bases a. NaOH, H2CO3, KCl b. MgCl2, H2SO4, HCl c. HNO3, HCl, H3PO4 d. Mg(OH)2, AgBr, HF e. KOH, NH4OH, Ba(OH)2 10. Enough water is added to 100 g of sodium hydroxide in

    asked by Kavitha on May 22, 2011
  80. chemistry stoichiometry

    My chem teacher gave us this problem Twelve-gauge copper wire,like the kind commonly used in residential electrical systems, is roughly cylindrical and has a diameter of approximately .1040in. Copper's density is 8.92g/cubic cm and copper atoms have an

    asked by Julissa on September 10, 2007
  81. chem

    For the reaction 2 N2(g) + 3 H2(g) → 2 NH3(g) which of the following can be determined using only the coefficients of the balanced chemical equation? the number of moles of NH3 obtained if 4.2 mol of N2 react completely to form NH3 the weight of NH3

    asked by chris on October 17, 2016
  82. ap chem

    A mole of helium gas contains 6.02x10^23 helium atoms. How many helium atoms are there in a micromole of helium? How many moles of helium does 1.25x10^20 atoms of helium represent? ~I have no idea how to start or what the value of a micromole is?

    asked by sara on December 14, 2006
  83. Chemistry

    If 8.00 moles of NH3 reacted with 14.0 moles of O2, how many moles of H2O will be produced? 4NH3 (g) + 7O2 (g) --> 4NO2 + 6H2O (g)

    asked by Argh on December 12, 2011
  84. Chemistry

    N2(g) + H2(g) -> NH3(g) ; how many moles of NH3 is is produced when 0.67 moles of N2 reacts with H2?

    asked by Suzanne on March 5, 2012
  85. Chemistry

    Given the balanced equation representing a reaction : 2Fe+ 3Cu^2+ --> 2Fe^3+ +3Cu When the iron atoms lose six moles of electrons, how many moles of electrons are gained by the copper ions? (1) 12 moles (2) 2 moles (3) 3 moles (4) 6 moles how would i even

    asked by Anonymous on February 16, 2014
  86. chemistry

    A sample of ammonium phosphate (NH4)3PO4 contains 3.18 moles of hydrogen atoms then the on. of moles of oxygen atoms in the sample is

    asked by Priti on July 1, 2015
  87. chemistry

    4 moles CO, 5 moles N2 and 2 moles C2H4 are placed in a 5 liter vessel at 27 degree celsius . the ratio of kinetic energy per molecule of CO2, He and NH3 is

    asked by kanika on May 17, 2012
  88. chemistry

    4 moles CO, 5 moles N2 and 2 moles C2H4 are placed in a 5 liter vessel at 27 degree celsius . the ratio of kinetic energy per molecule of CO2, He and NH3 is

    asked by kanika on May 17, 2012
  89. chemisrty

    what is the strongest acid here? H2SO3 H2SO4 H2SeO3 H2SeO4 For oxyacids, the acidity increases with increasing number of oxygen atoms; therefore, H2SO3 and H2SeO3 will be weaker than either H2SO4 or H2SeO4. We have a problem determining which is the

    asked by luis on April 30, 2007
  90. CHEMISTRY

    4NH3 + 7O2 = 4NO2 + 6H2O HHOW MANY MOLES OF AMMONIA WILL BE REQUIRED TO PRODUCE 10.0 MOLES OF WATER? The equation tells you 4 mols NH3 will produce 6 mols H2O. Can you set up a proportion to make that work? For example, 2 mols NH3 would produce 3 mols H2O

    asked by Janice on July 17, 2007
  91. Chemistry

    You have a solution of 0.15M Ba(OH)2 and a solution of H2SO4 whose concentration you want to determine. You start with 25 ml H2SO4 in the Erlenmeyer and titrate in the Ba(OH)2. At the end of the titration, you find that you have used 20.4 ml Ba(OH)2 and an

    asked by Mike Jones on April 2, 2014
  92. Crown poly

    0.012moldm^3 of H2SO4 was prepared in 2 litre of volumetric glass.calcute (a)mass concentration. b.moles of H2SO4 used. C.density of solution

    asked by Jummy on April 11, 2013
  93. Chemistry

    if you add 0.056 moles of HC2H3O2 to 0.064 moles of NH3, how many moles of each are actually neutralized?

    asked by Cheryl on November 7, 2011
  94. Chemistry

    A sample of propane, C3H8, contains 10.0 moles of carbon atoms. How many total moles of atoms does the sample contain? Express the total number of moles of carbon and hydrogen numerically.

    asked by Aria on March 31, 2016
  95. chemistry

    For the following reaction: 2NH3 ----> N2 + 3H3 6.42 moles of NH3 were placed in a 7.4 L flask and allowed to come to equilibrium. 3.60 moles of NH3 remain at equilibrium. Calculate Kc for the reaction.

    asked by Sue on April 15, 2010
  96. chemistry

    For the following reaction: 2NH3 ----> N2 + 3H3 6.42 moles of NH3 were placed in a 7.4 L flask and allowed to come to equilibrium. 3.60 moles of NH3 remain at equilibrium. Calculate Kc for the reaction.

    asked by Sue on April 15, 2010
  97. Chemistry

    Ammonia is produced by the reaction of hydrogen and nitrogen. N2(g)+3H2(g)→2NH3(g)ammonia How many moles of N2 reacted if 0.65mole NH3 is produced? How many moles of NH3 are produced when 1.2moles H2 reacts?

    asked by Jennie on February 28, 2015
  98. chemistry

    Calculate (a) the moles and (b) the mass of magnesium carbonate at the start if 0.2 moles of sulfuric acid is added to the magnesium carbonate and the excess sulfuric acid made up to a 250 cm3 solution. 25 cm3 of this solution required 0.03 moles of sodium

    asked by sabs on October 9, 2014
  99. Chemistry

    How many moles are in 1.50 x 1023 molecules NH3? A. 2.49 x 10 -1 mol NH3 B. 2.49 x 101 mol NH3 C. 2.65 x 10 -1 mol NH3 D. 2.78 x 10 1 mol NH3

    asked by rea on April 8, 2014
  100. chemistry

    How many moles are in 1.50 x 1023 molecules NH3? A. 2.49 x 10 -1 mol NH3 B. 2.49 x 101 mol NH3 C. 2.65 x 10 -1 mol NH3 D. 2.78 x 10 1 mol NH3 maybe B

    asked by Marian on November 11, 2012