4. Keep it sealed when you are not taking out
Word Equation: b. Without squeezing, place the pipet with the HCl into the plastic bag
You measured the mass of oxygen produced from your sample, as well as the volume of oxygen (by displacement of water). The wood in the splint consists mostly of carbon. filled with oxygen. pipet bulb to bubble the gas through the limewater solution. IV.
The reaction vessel for this test will be the pipet bulb itself. It is reactive and forms oxides with every element except helium, neon, krypton, and argon. Put 4 small clean and dry test tubes in a test tube rack. Quickly insert the glowing splint. Remove the pipet from the solution. | acid, HCl. to light yellow, the more acidic is the solution.
these carbohydrates are "burned" in the presence of oxygen that you
Record your observations. In your body,
pint) plastic "zipper" freezer bag, Fill a plastic pipet as full as possible with 20% hydrochloric
tube.
and water. Insert the pipet tip into the bag, but
Have
exhaled air samples. Explain Part B: The Properties of Osygen Gas Observations Test 1 Glowing splint in empty bottle aty Glowing splint in Bottle #1 47
Would this method of gas collection be good for collecting ammonia gas too?
The combustion of iron produces iron(II) oxide, Fe,O. View desktop site, Name: Section Lab Partner Experiment Date: The Properties of Oxyeen Gas Part A: Generating and Collecting Oxygen Gas 1) Write the equation for the reaction used to generate oxygen gas.
In addition to producing energy, this reaction also produces carbon dioxide
Turn the pipet upside down
Oxygen is characterized by a paramagnetic property. 7. Carefully measure out a teaspoonful of sodium bicarbonate, NaHCO 3.
3. Carefully measure out a teaspoonful of sodium bicarbonate, Place this reactant in the corner of a small (1
6. With the pipet in the bag, release the bulb to
Word Equation: Hydrogen peroxide will decompose into water and oxygen gas. Touch the bag where the reaction is taking place. pipet bulb, the gas through the limewater solution. Record your observations. The gas is colourless, odourless and insipid in a normal state. The plastic bag contains exhaled air. In addition you will examine the chemical properties of oxygen, carbon dioxide, exhaled air, and room air. water to produce an acidic solution.
Let it burn for a few seconds. Photosynthetic
several times to draw in room air.
gas sample. Lab #8: Exploring the Properties of Gases Purpose In this experiment you will explore three gas laws Boyle's Law, Charles's Law, and Gay-Lussac's Law also known as Amontons's Law. reacts with carbon dioxide according to the equation: You will look for the formation of a white solid which is calcium carbonate (CaCO3). pint) plastic "zipper" freezer bag.
This test is to determine the relative amount of carbon dioxide (CO2) in a
Fill a plastic pipet as full as possible with 20% hydrochloric
Gas molecules are far
Repeat steps 2 & 3 using a sample of exhaled air. From this information, you are able to calculate the molar volume of oxygen at STP (i.e., the volume occupied by one mole of O 2 at 0 o C and 1 atm pressure). containing the NaHCO3. A gas adopts the shape and volume of its container.
Write the equation for the combustion of sulfur Word Equation: c. Steel wool consists mostly of iron.
Do this test only on carbon dioxide and exhaled air. To sample carbon dioxide gas, hold the pipet with the tip
3. As you can see, elemental oxygen gas is produced by the reaction. EXPERIMENTAL PROCEDURE. Quickly insert the glowing splint. 3. 4. Explain Which one of these properties allows the oxygen gas to be collected via the displacement of water? draw gas into the pipet. 2) Name What is the purpose of this catalyst?
dry test tube, Keep the test tube lightly corked between
is pointing toward the NaHCO3. pointing up and squeeze the bulb to expel the air but not the phenol red solution. 2. Carefully measure out a teaspoonful of sodium bicarbonate,
The primary applications of oxygen include melting, refining, and manufacture of steel along with other metals. Have your partner open the plastic zipper bag
release the bulb and allow the phenol red solution to fill only the barrel of the pipet. 3. Seal the bag. Record your observations, Place ~30 drops of phenol red indicator solution in a small clean and
Have your partner open the plastic zipper bag
samplings. The combustion of carbon produces carbon dioxide, CO, Write the equation for the combustion of wood (carbon). Record your observations.
Blow
Record your observations. solution. With the pipet in the bag, release the
Hold the sealed bag at the corner opposite the corner
to the amount of CO2 in the gas sample. Bubble it through the limewater in the
(solids, liquids, and gases), gases are the most disordered.
From outside the bag, squeeze the pipet bulb so the HCl
Record your observations. Place the pipet into the phenol red solution in the test tube. acid, HCl.
Oxygen, a colorless, odorless, tasteless gas essential to living organisms, being taken up by animals, which convert it to carbon dioxide; plants, in turn, utilize carbon dioxide as a source of carbon and return the oxygen to the atmosphere. of their own. Carefully observe what happens.
Liquid oxygen is slightly paramagnetic.
carbohydrates and oxygen. 1.
Carbon dioxide gas can be prepared by the reaction of sodium bicarbonate, NaHCO3, with hydrochloric
The combustion of sulfur produces sulfur dioxide, SO,. Insert the pipet tip into the bag, but do not
Get a sample of exhaled air in a clean pipet. Dioxygen is one of the common allotropes of oxygen. To sample carbon dioxide gas, hold the pipet with the tip
to allow the solution to run into the bulb. Touch the bag where the reaction is taking place. apart from each other and travel at high speeds.
Place ~30 drops of phenol red indicator solution in a small clean and
In addition you will examine the chemical properties of oxygen, carbon
This carbon dioxide is found in your exhaled breath. Your email address will not be published. Lab Partner: Experiment Date: The Properties of Oxygen Gas ... (There are two parts to this answer.) is pointing toward the NaHCO, Hold the sealed bag at the corner opposite the corner
Carefully observe what happens. pointing up and squeeze the bulb to expel the air but not the phenol red solution, Gently shake the pipet to mix the carbon dioxide gas with the
Gently shake the pipet to mix the carbon dioxide gas with the
It is used in the production and manufacturing of glass and stone products, and in mining. 4.
Seal the bag. Bubble it through the limewater in the
Quickly add 1 teaspoonful of dry yeast on top of the H2O2
Flammability of Carbon Dioxide and Oxygen (Demonstration).
is known as a greenhouse gas. and with the walls of their container.
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