chemistry! URGENT

61,442 results, page 48

  1. chemistry

    How do you properly solve _ Ag + _ Cu(Nu3)2 ---> _ AgNo3 + _ Cu
  2. chemistry

    How many water molecules are in a 0.265 g sample?
  3. Chemistry

    How many atoms of nitrogen are in a molecule of Al(No3)3
  4. Chemistry

    What is the molar mass of hydrogen gas, H2?
  5. chemistry

    determine the i value for kcl solution
  6. Chemistry

    Is (NH4)2 CO3 ionic or covalent?
  7. chemistry

    When do you put the suffix (g) after a compound?
  8. Chemistry -I really need Help.

    what is the mass of 4 moles of Li?
  9. chemistry

    what is the energy in joules of one quantum of 55.4 nm
  10. chemistry

    what would be the order from slowest to fastest? Kr, Ar, Ne, N
  11. chemistry

    2.875 mol H2O = ___ g
  12. chemistry

    why is AgNO3 stored in an amber bottle
  13. chemistry

    if 25.00 g of Zn reacts with 30.00 g MnO2 what mass of Zn(OH)2 will be produced?
  14. chemistry

    I^- H5IO6 BrO2 HClO I2 Which could not disproportionate?
  15. Chemistry

    How many moles are in 12.0 grams of Potassium Sulfide?
  16. chemistry

    state what will be observed on heating Pbco^3
  17. chemistry

    how can sand and iodine crystals be separated
  18. chemistry

    How many iron atoms are in 0.32 mol of Fe2O3
  19. chemistry

    how does the electrolyte paste in a battery work
  20. Chemistry

    [OH] = 1.5 x 10^-13 , what is the [H3O] ? This is what I did. 1.0 x 10^-14 M / 1.5 x 10^-13 M = 1/15 or.066666 So what is the correct answer? Thank You
  21. Chemistry

    What species is classified as an Arrhenius base?
  22. Chemistry

    What is the chemical equation for AgNO3 + NaCI?
  23. Chemistry

    50g of H2SO4 produce how many grams of H2?
  24. Chemistry

    A solution in which [H+] is 1000 times greater than [OH-] [OH-] = ?M
  25. chemistry

    how to find a pH for 0.10 M HCL? please explain
  26. chemistry

    Calculate the pH of a 0.0019 M HNO3 solution.
  27. chemistry

    Calculate the pH of a 0.0019 M HNO3 solution. 2.7
  28. AP CHEMISTRY

    how did u get .0444 in the question i just asked
  29. chemistry

    what is the molecular geometry of niacin? C6H5NO2
  30. chemistry

    How many molecules of NH3 are produced from 4.56x10^-4 g of H2
  31. Chemistry

    Calculate the pH of a 5.90x10-3 M solution of H2SO4.
  32. chemistry

    what are van der waals forces
  33. Chemistry

    If Kc = 0.480 at 40.°C and Kc = 0.630 at 90.°C, what is ΔH° for the reaction? X<---->Y
  34. chemistry

    under rate of reactions Fe^2+ + Cr2o7^2- » Cr^3+ +Fe^3+
  35. chemistry

    balance the equation: Io^3 + I yield H2O + I^2
  36. Chemistry

    How many electrons and orbitals are represented by 2s2
  37. Chemistry

    What is the complete chemical equation? Al(s) + Cu(CH3COO)2(aq) -> ?
  38. chemistry

    what is the difference between a nanocomposite and a nanotube?
  39. Chemistry

    How do you convert Ounces to Grams longhand?
  40. Chemistry

    how many phosphorus atoms are present in 25.0 g of P4O10 ?
  41. Chemistry

    what is the magnitude of delta for [Ti(H2O)6]3+ in kj/mol?
  42. chemistry

    calculate the ph of 20 ml of .1M NaOH to 40 ml of acetic acid
  43. chemistry

    calculate the ph of 20 ml of .1M NaOH to 40 ml of acetic acid
  44. chemistry

    calculate the ph of 20 ml of .1M NaOH to 40 ml of acetic acid
  45. chemistry

    calculate the ph of 20 ml of .1M NaOH to 40 ml of acetic acid
  46. Chemistry

    how do you show the synthesis of copper (1) chloride?
  47. Chemistry

    Aluminum sulfate and calcium acetate = ?
  48. chemistry

    How are the spots on the TLC plates observed?
  49. Chemistry

    what is the electronegativity of NH3, CH4, AND CO2?
  50. Chemistry

    What is the hybridization of both carbons in: C=CH2 ?
  51. Chemistry

    What are the rules to determine the solubility of salts?
  52. Chemistry

    How many moles of ammonium sulfate were released in 25.3 kg?
  53. chemistry

    how to test for iron in an audio tape?
  54. chemistry

    Is it okay taking caffeine then ascorbic acid?
  55. chemistry

    How many moles are in 16.48 g Mg? Answer in units of mol
  56. chemistry

    what are the applications of the silicon atom with its isotopes of 28,29,and 30?
  57. Chemistry

    What is the pH of a 2.5 x 10-2 M HCl solution? I'm so confused how to find this :(
  58. chemistry

    what is hibs boson it is a gold particle
  59. chemistry

    what is the balanced equation for Mg+HNO3==>Mg(NO3)2+H2
  60. chemistry

    What is the volume of 2.8 × 10^6 molecules He? Answer in units of L
  61. CHEMISTRY

    What is the [H+] in a 0.10 M solution of ascorbic acid,C6H8O6?
  62. Chemistry

    Calculate the [h30+] in a 0.010M solution of Sr(OH)2
  63. Chemistry

    In a titration curve, how do i find the pH1/2??
  64. chemistry

    What is the net charge on Phe-Asp at each pH? a. pH 1 b. pH 7 c. pH 14
  65. Chemistry

    This volume of base and its corresponding pH is known as the______
  66. chemistry

    how can i find pH using scientific notation? 1*10^1 1*10^2
  67. chemistry

    plot (IO3) vs. reaction Time(s)
  68. Chemistry

    how many atoms of oxygen are present in 30 g of glucose
  69. Chemistry

    0.1 mol of HCl is added to 1 L of water. What is [H+] and [OH-]?
  70. Chemistry

    how many atoms of oxygen are present in 30 g of glucose
  71. chemistry

    balancing half reactions: ClO2^-1 --> Cl^-1
  72. Chemistry

    A solution of formic acid 0.20 M has a pH of 5.0. What is its Ka value? a) 5.0 x 10-10 b) 1.0 x 10-5 c) 5.0 x 10-5 d) 25
  73. chemistry

    how many times a proton is heavier than an electron
  74. Chemistry

    Propanoic acid has a Ka of 1.3 x 10^-5. What is the % ionization in a 3.0M solution?
  75. Chemistry

    Why do chloride ions increase corrosion?
  76. Chemistry

    Explain what causes pressure in a container.
  77. chemistry

    convert a pressure of 1.75 atm to kpa
  78. chemistry

    convert a pressure of 1.75 atm to kpa
  79. Chemistry.

    Is this formula (Fe2O3) iron oxide?
  80. chemistry

    how do i convert 2.23*10 22 formula units to moles?
  81. chemistry

    What is the wavelength of a photon that has an energy of E = 4.01×10^-19J ?
  82. chemistry

    How do I calculate the initial concentraion of an acid?
  83. chemistry

    what are all the names of the compound CH3OH?
  84. chemistry

    How do you calculate the theoretical cell voltage? 1) Zn|Zn^+2 | Cu|Cu^+2 2) Cu|Cu^+2 | Zn|Zn^+2 3) Fe|Fe^+2 | Cu|Cu^+2 4) Zn|Zn^+2 | Cu|Cu^+2 5) Cu|Cu^+2 | Cu|Cu^+2
  85. chemistry

    How to equation 7.9 = 7.21+log((0.105 -4.2x)/4.2x) ? What is the value of x?
  86. chemistry

    When do phase transitions occur in molecules?
  87. chemistry

    How many moles of compound are in 26.5g of Na2CO3 x 10H2O?
  88. chemistry

    difference between 2hcl and hcl
  89. chemistry

    calculate the percentage of FeSO4 in sample Y
  90. chemistry

    _mg(OH)†? + _H2SO4._mgSO4 + _H2O
  91. chemistry

    calculate the delta G rxn O2(g)+2 H2o(l)+2 Cu(s)--> 4 OH-(aq)+2 Cu^2+(aq)
  92. chemistry

    if 14.7g of na reacts with 7.9g og br how many grams of nabr are found
  93. Chemistry

    What is wrong with the names 2-ethyl-4 and 4-dimethylpentane?
  94. chemistry

    What is the rate of reaction when N2O5 equal 2.60×10^-2?
  95. Science, Chemistry

    What is the volume of 75.65 grams of zinc
  96. CHEMISTRY

    HOW MANY ATOMS 0.151 MOL OF LITHIUM?
  97. Chemistry

    How do “chemical” salts form? Thank you in advance.
  98. chemistry

    make 800 ml of .25 M sulfuric acid
  99. Chemistry hnrs

    what is the electron configuration of vanadium?
  100. Chemistry

    How many H atoms are present in 7.2g of propane, C3H8?
  1. Pages:
  2. 1
  3. 2
  4. 3
  5. 4
  6. 5
  7. 6
  8. 7
  9. 8
  10. 9
  11. 10
  12. 11
  13. 12
  14. 13
  15. 14
  16. 15
  17. 16
  18. 17
  19. 18
  20. 19
  21. 20
  22. 21
  23. 22
  24. 23
  25. 24
  26. 25
  27. 26
  28. 27
  29. 28
  30. 29
  31. 30
  32. 31
  33. 32
  34. 33
  35. 34
  36. 35
  37. 36
  38. 37
  39. 38
  40. 39
  41. 40
  42. 41
  43. 42
  44. 43
  45. 44
  46. 45
  47. 46
  48. 47
  49. 48
  50. 49
  51. 50
  52. 51
  53. 52
  54. 53
  55. 54
  56. 55
  57. 56
  58. 57
  59. 58
  60. 59
  61. 60
  62. 61
  63. 62
  64. 63
  65. 64
  66. 65
  67. 66
  68. 67
  69. 68
  70. 69
  71. 70
  72. 71
  73. 72
  74. 73
  75. 74
  76. 75
  77. 76
  78. 77
  79. 78
  80. 79
  81. 80
  82. 81
  83. 82
  84. 83
  85. 84
  86. 85
  87. 86
  88. 87
  89. 88
  90. 89
  91. 90
  92. 91
  93. 92
  94. 93
  95. 94
  96. 95
  97. 96
  98. 97
  99. 98
  100. 99
  101. 100