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AERO 623 M9L4M1Colligative Properties Gizmo Texas A&M University £10.04   Add to cart

Exam (elaborations)

AERO 623 M9L4M1Colligative Properties Gizmo Texas A&M University

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AERO 623 M9L4M1Colligative Properties Gizmo Texas A&M University/AERO 623 M9L4M1Colligative Properties Gizmo Texas A&M University/AERO 623 M9L4M1Colligative Properties Gizmo Texas A&M University

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  • June 13, 2024
  • 6
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers
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Student Exploration: Colligative Properties

Vocabulary: boiling point, colligative property, concentration, dissociate, freezing
point, manometer, osmosis, osmotic pressure, solute, solution, solvent, vapor
pressure


Prior Knowledge Questions (Do these BEFORE using the Gizmo.)

1. When the forecast calls for freezing rain, salt is often spread on the roads. Why is this
done?

To make sure that the freezing substance does not stick to the cement.


2. Antifreeze is added to car radiators to prevent the water in the radiators from
both freezing and boiling. How do you think antifreeze affects the
temperatures at which water freezes (the freezing point) and boils (the boiling
point)?

It holds heat when it is cold, and it releases heat when it is warm.




Gizmo Warm-up
Adding salt or other substances to water can affect
the temperature at which it freezes or boils. These
effects and others, known as colligative properties,
are explored in the Colligative Properties Gizmo™.

Check that No solute is selected and the Air temp is 25 °C.

1. Describe the motion of the water molecules in the beaker.

_Molecules above the water stay above, while the

_molecules in the water stay in the water.


2. Change the Air temp to –10 °C. What do you see as the water freezes?


_The molecules begin to shake.


3. Now change the Air temp to 110 °C. What do you see as the water boils?

, The molecules began to move rapidly.

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