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Experiment 3: Charles’ Law (Part 2)

Question # 00712053
Subject: Chemistry
Due on: 10/11/2018
Posted On: 10/10/2018 05:42 AM

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Using the air in a flask, measure the change in volume with temperature.



2-Hole Rubber stopper

250 mL Erlenmeyer flask


100 mL Graduated cylinder

10 mL Syringe

Syringe dispensing tip



  1. Connect the syringe dispensing tip to the end of the syringe. 
  2. Set up your experiment by unscrewing the cap off the 250 mL Erlenmeyer flask. Then,  press the 2-hole rubber stopper into the 250 mL Erlenmeyer flask.  Push the thermometer into one of the holes in the stopper, and the syringe dispensing tip (connected to the syringe) in the remaining hole.
  3. Create an ice water bath by filling an empty container (large enough to fit the 250 mL Erlenmeyer in it) with water and ice. The exact volume does not matter as long as it is high enough to cover the flask.
  4. Place the flask in the bath. Allow the flask to cool to 0 °C (32 °F). You may need to pour additional ice around the flask to sufficiently decrease the temperature.
  5. Monitor the temperature until the air reading in the flask is 0 °C. 
  6. Remove the flask from the ice bath and discard the ice/water from the bath container. 
  7. Allow the flask to warm to room temperature.  As the flask warms up, record the volume on the syringe and the temperature on the thermometer in Table 4. The volume and temperature at room temperature are the initial (Time = 0) data.

Note: The gas in the flask expands as it warms, slowly pushing the piston out of the syringe. The total volume of the gas in the system is equal to the volume of the flask plus the volume of the syringe.

  1. Use the graduated cylinder to measure and add 100 mL of hot (but not boiling) water to the water bath container and place the flask in the warm water.
  2. Continue to record the volume reading on the syringe and the temperature on the thermometer as the gas in the flask heats every five minutes for 30 minutes. Record your results in Table 4.


Post-Lab Questions 

  1. Graph your results as temperature vs. total volume.  Draw a best-fit straight line through your data points and determine the formula for the line in Y = mx +b form.  Don’t forget to title your graph and label your axes. You may also use a graphing software program for more accurate data plots.


  1. According to your graph, what would the total volume be at a temperature of 70 °C?  30 °C?
  2. How do your results demonstrate Charles’ Law?  Use mathematical expressions to explain your answer.
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Lab8 Experiment 3

Tutorial # 00712264
Posted On: 10/11/2018 07:55 PM
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Tutorial Preview …Lab8…
Lab8_Experiment_3.doc (199 KB)
Preview: the xxxxxx of xxx syringe Use xxx graduated cylinder xx measure xxx xxx 100 xx of hot xxxx not boiling) xxxxx to xxx xxxxx bath xxxxxxxxx and place xxx flask in xxx warm xxxxx xxxxxxxx to xxxxxx the volume xxxxxxx on the xxxxxxx and xxx xxxxxxxxxxx on xxx thermometer as xxx gas in xxx flask xxxxx xxxxx five xxxxxxx for 30 xxxxxxx Record your xxxxxxx in xxxxx x Table x Temperature vs xxxxxx Data Syringe xxxxxx (mL) xxx xxxxxxxxxxx (C) xx Room Temperature xxxxx 7)Time (minutes)Temperature xxxxxxxx Volume xxxx xxxxxx 31060 xxxxx 620102 125122 x Post-Lab Questions xxxxx your xxxxxxx xx temperature xx total volume xxxx a best-fit xxxxxxxx line xxxxxxx xxxx data xxxxxx and determine xxx formula for xxx line xx x mx x form Dont xxxxxx to title xxxx graph xxx xxxxx your xxxx You may xxxx use a xxxxxxxx software xxxxxxx xxx more xxxxxxxx data plots xxxxxx vs Temperature xxxxx EMBED xxxxxxx xxxxx 8 x According to xxxx graph, what xxxxx the xxxxx xxxxxx be xx a temperature xx 70 C xx C xxx xxxxx volume xx 70C would xx about 12 xx 14 xx xx 30C, xx would be xxxxx 6 mL xxx do xxxx xxxxxxx demonstrate xxxxxxx Law Use xxxxxxxxxxxx expressions to xxxxxxx your xxxxxx xxx results xxxx my experiment xxxxxxxxxxx Charless Law xxxxxxx it xxxxxxxx xxx relationship x gass volume xxx how it xx affected xx xxxxxxxxxxx changes xxxxxxxxx to Charless xxxx if the xxxxxxxxxxx decreases, xx xxxx the xxxxxx of the xxx this happens xxxx versa xx xxxx The xxx variables are xxxxxxxx proportional The xxxxxxxxxxxx expression xx xxxx is xxxxx V2/T2 This xxxxxxxx is useful xxxxxxx if xxx xxx have xxxxx.....
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