2 24 Unit #7 Jeopardy
Transcript of 2 24 Unit #7 Jeopardy
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Launch: 2/24 Grab your binder and immediately take a seat!
Place launch paper and yesterday’s practice questions on your desk.
Yesterday’s Exit Slip Data:
Today’s Objective: Review!
N/A
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Launch 2/24 1. How do gas molecules move?
a. they move in a straight line b. they always move from areas of low concentration to
high concentration
c. in a random pattern, colliding with other gas molecules as they move around
d. like ions found in a crystal lattice of NaCl
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Launch 2/24 2. Water boils at 373K. What is that
temperature in Celsius? a. -100°C
b. 100°C c. 173°C d. 646°C
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Launch 2/24
3. Which of the following shows the correct conditions at STP?
a. 1atm and 0K b. 0°C and 1 atm c. -273K and 760mmHg d. 0atm and 273K
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Launch 2/24
4. How are P & V related? a. They are directly related. b. An increase in volume increases pressure. c. They change in the same direction
d. They are indirectly related
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Announcements Unit #7 Exam tomorrow!
No notecard 35 multiple-choice
5 free response
Take home the review notes and questions tonight Study Correct your mistakes
Jeopardy Our goal = review
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February Calendar
Exam!
Quiz!
Today Binder Check!
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Review Worksheet Check Switch with your partner
In a different color pencil/pen: circle the questions with the wrong answers
Do not correct their mistake!
1 minute per page
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Jeopardy Work in partner groups
Switch the marker every question Both responsible for the answer
Your board must be up before the song ends!
Keep your own score in the top right corner
Team #
Score
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Chemistry Jeopardy Pressure Diffusion P, V, &T STP Temperature
10 10 10 10 10
20 20 20 20 20
30 30 30 30 30
40 40 40 40 40
50 50 50 50 50
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What are the 2 units for pressure?
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What causes pressure?
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If the number of collisions between gas molecules is
increased, what happens to the pressure?
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When a balloon is warmed up, the pressure inside increases.
Why does this occur?
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Which would have more pressure, a gas at 25K or a gas at 200K? In 1-2 sentences, use what you know about temperature and pressure to explain why this
occurs.
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What is diffusion?
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Draw a picture of the path that a gas molecule would take to get
from the front to the back of the room.
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Gases diffuse through the air because their particles
move ___________ .
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What type of mixture is formed when one gas fully diffuses into
another?
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If gas molecules move at almost 800mph, why does it take several minutes to smell perfume across
a room?
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Using arrows, describe the relationship between volume and
temperature.
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P & V are ___________ related.
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An empty can of coke is heated over a flame, and then quickly cooled. Would the pressure inside the can increase or decrease after it cooled?
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At a constant temperature, a sample of O2 gas occupies a
volume of 20L at 16atm. What will the volume of the gas be if
the pressure is increased to 8atm.
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The pressure of H2O gas is 760mmHg at 50K. What would
the final pressure be if the temperature was lowered to 25K?
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What is the pressure at STP in mmHg?
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What is the temperature at STP in °C?
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Insert Text for Question Are the following conditions correct for STP? If, no correct it!
1 atm and 273K
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The nucleus has a _____ mass, a ____ volume, and is therefore _____.
Are the following conditions correct for STP? If no, correct it!
0K and 760mmHg
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Write down 4 different pairs of T & P that correctly show the
conditions at STP.
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What is temperature?
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What are the conditions (in K and atm) at absolute zero?
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What is absolute zero?
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Convert 25°C to Kelvin.
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CO2 gas freezes at 175K. What is that temperature in °C?
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Closing Unit #7 Exam tomorrow!
No notecard 35 multiple-choice
5 free response
Take home the review notes and questions tonight Study Correct your mistakes
Come in during lunch if you have questions!