Science
chemistry assginments

Adult and Continuing Education - Cleveland Extension

Question Description

Lab

  • First, watch the introduction to the Gas Stoichiometry Lab. Link to video. (Links to an external site.)
  • Second, watch this video to see how the experiment is carried out:
  • Third, watch this video to see how to do the calculations: Link to video. (Links to an external site.)
  • Fourth, get your unknown data from Gas Stoichiometry Unknowns in the Lab module. Look for your student number that you wrote in the upper right corner of exams. If your student number is greater than 32, subtract 32.(my student number is 63, so 63-32=31)
  • Fifth, calculate the mass of magnesium for your unknown using the report form on page 59 of the lab manual.
  • Sixth, turn in your lab by 5pm Friday with the subject GAS. If you did your calculations directly on page 59, that's all you have to turn in. If you did your calculations on page 60, turn in pages 59 and 60.
  • Final, finish the Ch8-10 quiz.

all should be handwrite and take the picture

Unformatted Attachment Preview

Unknown Code 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Volume of Temp. of H2 H2 collected (°C) (mL) 72.5 65.3 74.6 62.5 77.2 80.4 75.1 78.2 59.2 79.2 53.9 79.5 70.3 67.1 67.3 55.9 77.1 64.2 70.1 56.1 64.9 73.5 57.5 70.2 65.7 75.6 55.2 70.8 77.7 69.7 65.2 55.4 24.0 24.0 24.0 24.0 24.0 24.0 24.0 24.0 24.0 24.0 24.0 24.0 24.0 24.0 24.0 24.0 24.0 24.0 24.0 24.0 24.0 24.0 24.0 24.0 24.0 24.0 24.0 24.0 24.0 24.0 24.0 24.0 Barometric Pressure (inches Hg) 30.02 29.90 30.01 30.05 30.02 29.98 29.92 30.10 29.93 30.15 30.11 29.95 30.13 30.06 29.94 29.91 30.00 30.03 30.08 29.99 30.04 30.02 29.90 30.01 30.05 30.02 29.98 29.92 30.10 29.93 30.15 30.11 Height of solution in eud. From benchtop (cm) 28.5 22.3 25.6 30.7 31.7 26.2 26.1 31.2 26.5 23.5 31.5 26.8 27.7 24.0 24.8 29.8 28.6 27.0 22.8 30.5 23.0 27.4 27.8 28.2 24.9 29.3 30.8 28.8 25.7 23.7 22.1 23.2 Height of solution in beaker from benchtop (cm) 16.3 14.6 15.6 14.0 12.9 17.0 14.7 13.0 15.9 13.6 15.2 12.0 12.1 16.3 12.8 12.7 15.0 12.6 16.1 14.8 16.0 16.6 16.8 14.3 13.8 13.5 15.8 13.2 14.5 15.1 16.7 14.9 ...
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