GIZMOS Student Exploration Diffusion Exam Newest Updated 100 Questions From Actual Exams Complete Questions And Correct Detailed Answers (Expert Verified Exam) |Already Graded A+||Brand New!!

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GIZMOSStudent Exploration DiffusionQuestions andAns
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wers 2025/2026 Update 100% Correct.
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Student Exploration: Diffusion df df




Gizmo Warm-up df




Smells are carried by tiny particles that move through the air. The Diffusion Gizmo™ shows gas particl
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es in a chamber that is divided into two regions by a partial wall. Click Play ( ) and observe.
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1. Describe the motion of the gas particles. df df df df df df




Thegas particles move freely and bounce right off of each
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other.
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2. Over time, what is happening? df df df df




Overtime it seems like they start to slow down df df df df df df df df




3. Select the BAR CHART tab, and observe the chart for a few minutes.After the first 30 seco
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nds or so, how much do the numbers of particles in each region change?
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The x in Awent from 50 particles to 40 and the x in B went fro
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m 0 to 10.. df df df




When the numbers don’t change much, the particles are said to be in dynamic equilibrium.
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Introduction: In this Gizmo, temperature is measured on the Kelvin scale. On this scale, 0 K repr df df df df df df df df df df df df df df df df




esents absolute zero, the coldest possible temperature. Water freezes at 273.15 K (0 °C), and wat
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er boils at 373.15 K (100 °C).
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Question: How does temperature affect the rate of diffusion? df df df df df df df df




1. Observe: Set the temperature (Temp.) to 100 K, and press Play. Observe the motion of parti df df df df df df df df df df df df df df df




cles. Click Reset. Then set the temperature to 600 K, click Play, and observe.
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Howdoes the temperature of the gas relate to the motion of the particles?
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with 100K it seemed like the particles slowed down a lot q
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uicker than when it was 600k. df df df df df




The temperature of a gas is a measure of the average kinetic energy of a set of particles. Kinetic ener
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gy (KE) depends on the velocity and mass of the particles (KE = mv2/ 2).
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2. Form hypothesis: Howdo you think temperature will affect the rate of diffusion?
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, I think the hotter thetemperature is the fast the molecules
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will slow down.df df




3. Experiment: Click Reset. Set the Wall to 50%, x in A to 100, y in B to 0, Temp. to 100
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K, and Particle mass to 15 amu (atomic mass units). Select the TABLE tab. Press Pl
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ay.

Click Pause when x in A first reaches 55% or below. Record this Time to reach equilibriu
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m in the left table below.
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Repeat four more times at 100 K, and then run five trials with the temperature set to 600 K.
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Temp = 100 K experiment g
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df Temp = 600 K experiment
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Trial Time to reach equilibrium g
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1 308
2 256
3 266
4 419
5 295
Average 308.8