For my homework, there are two parts to the question. i did part a and I got E= -6.54E-18J. Part A) Calculate the energy (in J) of the photon associated with the transition of the electron in He from n=2

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  12. Statistics

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  18. Quantitative, stastics and business

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  21. matha school.alleppey

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  22. Math

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  24. World History

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  29. Math

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  31. Math

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  32. physics

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  33. Physics Help!!!

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  34. writing skills

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  35. physics

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  36. math help1

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  37. Statistics

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  38. Chemistry

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  40. algebra

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  41. algebra

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  42. History

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  43. CHEM

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  44. History

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  45. history

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  46. math

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  47. Derivatives

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  48. World history

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  49. Maths

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  50. calculus - what is the derivative?

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  51. mathematics

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  52. Statistics

    In a particular manufacturing plant, two machines (A and B) produce a particular part. One machine (B) is newer and faster. In one five-minute period, a lot consisting of 32 parts is produced. Twenty-two are produced by machine B and the rest by machine A.

  53. *** Discrete Math ***

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  55. Physics Help!!!

    One of the 79.0 -long strings of an ordinary guitar is tuned to produce the note (frequency 245 ) when vibrating in its fundamental mode. Part A- If the tension in this string is increased by 3.2 , what will be the new fundamental frequency of the string?

  56. english

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  57. Urgent geometry help

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  59. Math

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  60. college: Chemistry

    Hi there I need help with my chemistry homework There are two parts to the first question and i did the first part and i got E= -6.54E-18J. Part A) Calculate the energy (in J) of the photon associated with the transition of electron in He from n=2 to n=1.

  61. Chemistry

    For my homework, there are two parts to the question. i did part a and I got E= -6.54E-18J. Part A) Calculate the energy (in J) of the photon associated with the transition of the electron in He from n=2 to n=1. Part B) As the Vaule of Z increases, does

  62. QUESTION

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  63. algebra

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  64. algebra 1

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  65. Algebra 1

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  66. algebra

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  67. GENETICS ASAP

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  68. algebra

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  69. math

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  70. Math

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  74. Math Algebra

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  76. Science-Pendulum

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  77. Statistics

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  79. physics

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  82. math

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  83. Math

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  84. Math

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  86. math

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  87. Data Management

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  88. Quick math help

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  93. Physics - EM spectrum

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  95. Math grade 7

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  96. math

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  100. Critical thinking

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