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1.1 Heating Baking Soda
Broderick Nipple
Kevin Ballsack
8/30-8/31
Purpose: The purpose of the experiment 1.1 The Heating of Baking Soda is to discover what happens to baking soda when it is heated.
Predictions:
Before Reading: The baking soda will change color and smoke because other objects such as paper and wood do this when heated.
After Reading:
Procedures:
Material List: small test tube, 0.5 cm baking soda, tea
Part I: Heating Baking Soda
Set up apparatus and light microburner.
Move baking soda over flame.
Observe and record changes.
Once changes stop, remove rubber tube from containing bottle and tub, then remove from flame and turn off microburner.
Part II: Empty Test Tube Test
Set up same apparatus used in Part I, without baking soda in the test tube.
Move empty test tube over flame.
Observe and record changes
Once changes stop, remove rubber tube from containing bottle and tub, then remove from flame and turn off microburner.
Part III: Mixing Tea
After the test tube has cooled down, fill another test tube with the same amount of baking soda.
Pour about a quarter tube of tea into each test tube.
Gently shake or use a stirring rod.
Observe and record changes.
Pre-Lab Notes:
Procedures:
When filling test tubes with baking soda, fill to about the thickness of a pencil.
Always stop when there are no further changes.
Remove rubber tube from bottle and water before removing from heat.
Fill test tubes with tea to the same height.
Pay attention to the color of the tea in the Mixing Tea test
Safety:
Wear aprons and goggles.
Chairs pushed in, no sitting down for entire lab.
Close-toed shoes and hair tied back.
Wrap glass elbow bend with paper towel while inserting. Use glycerine when needed
Use “Touch and Release” method to check if something is hot
Data/Results:
Part I: Heating Baking Soda
Bottom of Test Tube
When the flame made contact with the bottom of the test tube, it changed to an orange color.
A thin layer of condensation, of an unknown clear liquid, formed once the heat made contact with the test tube, this layer of condensation continued growing until it reached the top of the test tube.
The layer of condensation then started to recede from the bottom, but stopped at about 5 cm from the bottom.
Top of Test Tube
The layer of condensation that began at the bottom of the test tube grew to the top, and stayed for the duration of the experiment.
Collection Bottle
Multiple bubbles rapidly came out of the tube.
Bubbles formed a larger bubble.
Larger bubble grew in size until it connected to the tube.
Larger bubble inflated to about 1/3 of the bottle.
Water Tub
Water level inside of the tub rose as air filled the collection bottle
Part II: Empty Test Tube Test
Bottom of Test Tube
The flame that made contact with the small test tube was orange.
As soon as the flame made contact with the test tube, a thin layer of condensation started from the bottom, moved up to about 2cm high, and then started disappearing from bottom to up.
Top of Test Tube
No changes were observed at the top of the test tube
Collection Bottle
Multiple small bubbles were emitted from the rubber tube.
Then the bubbles combined into a larger bubble that was connected to the rubber tube.
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The bubble continued to grow and then stopped once it had reached the size of about 2 cm.
Part III: Tea Test
Regular Baking Soda
Does not completely dissolve into tea.
When stirred, baking soda stirs up and then settles back at bottom.
Tea becomes slightly lighter than tea from beaker.
Heated Baking Soda
Completely dissolves into tea.
Gets lighter and diluted when mixed.
Darker than tea mixed with regular baking soda.
Lighter than normal tea in beaker.
Blue Dot Questions:
What do you observe at the bottom of the test tube? Near the top?
Condensation that disappeared was observed at the bottom of the test tube. Condensation was also observed at the top of the test tube.
Does a gas collect in the inverted bottle?
Yes, a gas was collected in the inverted bottle.
From where, do you think, did the gas come?
The gas was released by the heated baking soda.
From where did the droplets on the test tube come?
The droplets on the test tube came from the condensation given off by the heating of the baking soda.
Is the color of the liquid in the two test tubes that same?
The color of the liquid in the two test tubes is not the same. The liquid in the test tube with the normal baking soda appeared to be lighter. The liquid in the test tube with the heated baking soda appeared to be darker.
If the color is different, can the white powder in the test tube that you heated still be baking soda? Why or why not?
No, if it was the same substance, the colors of the tea would be the same.
Post-Lab Discussion:
When baking soda is heated, it forms a new solid, gas, and liquid.
The gas floats up to the top and drips back down as a new liquid
Research:
Baking soda is used in baking to make bread rise
When baking soda is heated it releases carbon dioxide and water
Baking soda’s chemical formula is NaCHO3
Can be used to clean up small chemical spills
Used in cleaning and deodorizing
Can be used as an ingredient in toothpaste
Can be used to put electrical and grease fires out
Sources:
http://www.ehow.com/info_8569167_happens-baking-soda-heated.html
http://answers.yahoo.com/question/index?qid=20090921191343AAiM7Hi
http://www.chemicalformula.org/baking-soda
Conclusion:
In Lab 1.1 Heating Baking Soda, it was found that when baking soda is heated, a solid, a liquid, and a gas are produced. Three different parts of the experiment were performed, Heating Baking Soda Test, Empty Test Tube Test, and the Mixing Tea dickdickdickdickdickdick
test. Observations were mainly made at the bottom of the test tube, the top of the test tube, and the collection bottle.1.1 Heating Baking Soda
Broderick Nipple
Kevin Ballsack
8/30-8/31
Purpose: The purpose of the experiment 1.1 The Heating of Baking Soda is to discover what happens to baking soda when it is heated.
Predictions:
Before Reading: The baking soda will change color and smoke because other objects such as paper and wood do this when heated.
After Reading:
Procedures:
Material List: small test tube, 0.5 cm baking soda, tea
Part I: Heating Baking Soda
Set up apparatus and light microburner.
Move baking soda over flame.
Observe and record changes.
Once changes stop, remove rubber tube from containing bottle and tub, then remove from flame and turn off microburner.
Part II: Empty Test Tube Test
Set up same apparatus used in Part I, without baking soda in the test tube.
Move empty test tube over flame.
Observe and record changes
Once changes stop, remove rubber tube from containing bottle and tub, then remove from flame and turn off microburner.
Part III: Mixing Tea
After the test tube has cooled down, fill another test tube with the same amount of baking soda.
Pour about a quarter tube of tea into each test tube.
Gently shake or use a stirring rod.
Observe and record changes.
Pre-Lab Notes:
Procedures:
When filling test tubes with baking soda, fill to about the thickness of a pencil.
Always stop when there are no further changes.
Remove rubber tube from bottle and water before removing from heat.
Fill test tubes with tea to the same height.
Pay attention to the color of the tea in the Mixing Tea test
Safety:
Wear aprons and goggles.
Chairs pushed in, no sitting down for entire lab.
Close-toed shoes and hair tied back.
Wrap glass elbow bend with paper towel while inserting. Use glycerine when needed
Use “Touch and Release” method to check if something is hot
Data/Results:
Part I: Heating Baking Soda
Bottom of Test Tube
When the flame made contact with the bottom of the test tube, it changed to an orange color.
A thin layer of condensation, of an unknown clear liquid, formed once the heat made contact with the test tube, this layer of condensation continued growing until it reached the top of the test tube.
The layer of condensation then started to recede from the bottom, but stopped at about 5 cm from the bottom.
Top of Test Tube
The layer of condensation that began at the bottom of the test tube grew to the top, and stayed for the duration of the experiment.
Collection Bottle
Multiple bubbles rapidly came out of the tube.
Bubbles formed a larger bubble.
Larger bubble grew in size until it connected to the tube.
Larger bubble inflated to about 1/3 of the bottle.
Water Tub
Water level inside of the tub rose as air filled the collection bottle
Part II: Empty Test Tube Test
Bottom of Test Tube
The flame that made contact with the small test tube was orange.
As soon as the flame made contact with the test tube, a thin layer of condensation started from the bottom, moved up to about 2cm high, and then started disappearing from bottom to up.
Top of Test Tube
No changes were observed at the top of the test tube
Collection Bottle
Multiple small bubbles were emitted from the rubber tube.
Then the bubbles combined into a larger bubble that was connected to the rubber tube.
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The bubble continued to grow and then stopped once it had reached the size of about 2 cm.
Part III: Tea Test
Regular Baking Soda
Does not completely dissolve into tea.
When stirred, baking soda stirs up and then settles back at bottom.
Tea becomes slightly lighter than tea from beaker.
Heated Baking Soda
Completely dissolves into tea.
Gets lighter and diluted when mixed.
Darker than tea mixed with regular baking soda.
Lighter than normal tea in beaker.
Blue Dot Questions:
What do you observe at the bottom of the test tube? Near the top?
Condensation that disappeared was observed at the bottom of the test tube. Condensation was also observed at the top of the test tube.
Does a gas collect in the inverted bottle?
Yes, a gas was collected in the inverted bottle.
From where, do you think, did the gas come?
The gas was released by the heated baking soda.
From where did the droplets on the test tube come?
The droplets on the test tube came from the condensation given off by the heating of the baking soda.
Is the color of the liquid in the two test tubes that same?
The color of the liquid in the two test tubes is not the same. The liquid in the test tube with the normal baking soda appeared to be lighter. The liquid in the test tube with the heated baking soda appeared to be darker.
If the color is different, can the white powder in the test tube that you heated still be baking soda? Why or why not?
No, if it was the same substance, the colors of the tea would be the same.
Post-Lab Discussion:
When baking soda is heated, it forms a new solid, gas, and liquid.
The gas floats up to the top and drips back down as a new liquid
Research:
Baking soda is used in baking to make bread rise
When baking soda is heated it releases carbon dioxide and water
Baking soda’s chemical formula is NaCHO3
Can be used to clean up small chemical spills
Used in cleaning and deodorizing
Can be used as an ingredient in toothpaste
Can be used to put electrical and grease fires out
Sources:
http://www.ehow.com/info_8569167_happens-baking-soda-heated.html
http://answers.yahoo.com/question/index?qid=20090921191343AAiM7Hi
http://www.chemicalformula.org/baking-soda
Conclusion:
In Lab 1.1 Heating Baking Soda, it was found that when baking soda is heated, a solid, a liquid, and a gas are produced. Three different parts of the experiment were performed, Heating Baking Soda Test, Empty Test Tube Test, and the Mixing Tea dickdickdickdickdickdick
During the Heating Baking Soda test, an apparatus was used that would allow observation of the baking soda and how much, if any, gas was produced. When heat was applied to the baking soda, a thick layer of condensation quickly formed up the entire test tube, and then disappeared up to about 5cm from the bottom. The rest of the condensation remained for the rest of the experiment. The heated baking soda at the bottom of the test tube remained the same color. In the collection bottle, a gas was emitted from the rubber tube which quickly formed a large bubble and continued to push water out of the bottle until it was a little more than ⅓ full of air. Also, as the gas pushed water out of the collection bottle, the water level in the tub rose.
The Empty Test Tube test was conducted to assure that observations made during the Heating Baking Soda test were not simply from the air in the test tube being heated. For the Empty Test Tube test, the same apparatus used in the Heating Baking Soda test was used except the test tube did not have any baking soda in it. During the Empty Test Tube test, when the flame was first applied to the test tube thi formed then went away a few seconds later. Then bubbles started pouring out of the rubber tube and into the condom