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Dry Ice Lab
-
Dry Ice Experiment (45 min): In this experiment, students will be
utilizing the scientific method to ultimately calculate the volume of dry ice
that is equal to the quantity of CO2 that is generated each year by a typical
American family. Key curricular concepts that will be covered include the
phases of matter, density, and a concrete understanding of the measure of one
ton of CO2. ( Resources used: BOCES Density Kits)
Density
of dry ice is > H2O or > 1 g/cc.
Density
of CO2
1.562 g/mL (solid at 1 atm and -78.5 °C)
1.977 g/L (gas at 1 atm and 0 °C)
1090F below zero.
1 ton of CO2 gas is equal to 459,281 L
A 14m x
14m x 3m classroom is 588,000L
1 ton =
2,000 lbs x 454 g / 1 lbs x 1 L CO2 / 1.977 g = 459,281 L
1
Classroom = 14m x 14m x 3m x 1,000,000 cc / m3 x 1 L / 1,000 cc =
588,000 L
Fun stuff
with CO2
All
students get a surgical glove plastic cup spoon full of Dry Ice in there cup.
They put
the glove over the top of there cup without spilling dry ice. They will see the gloves fill up with ?????
Then the
students are given a small cup of H2O. They remove the surgical glove and add H2O
over the top of their dry ice.
Film
canisters, Cups, Soap, laser pointer, balloons, surgical gloves, gummy bears,
CRCS Name ____________________
Dry Ice Experiment Date_____________________
Objective: Calculate the volume of dry ice that is equal to the quantity of CO2 that is generated each year by a typical American family.
Assumptions:
The density of CO2 gas at 00 C and 1 atm of Pressure = 1.977 g/L
The Density of Air at 00 C and 1 atm of Pressure = 1.2754 g/L
1 ton (US) of CO2 gas is equal to 459,281 L
A 14m x
12m x 3m classroom is 504,000 L
A typical
American Family is a 5 person Household generating 130 Tons of CO2
eq/year.
How many
classroom equivalents are there in Cuba Elementary School?
Procedure:
Set up
and observe the sublimation of Dry Ice in a cup with a surgical glove over it.
Set up
and observe the sublimation of Dry Ice in a cup submersed in water.
Set up
and observe the sublimation of Dry Ice in a cup submersed in water with a few
drops of dish soap.
Set up
and observe the sublimation of Dry Ice in a film canister.
Calculate
the volume of CO2 that a typical American Family generates each year
in the space below.