Equilibrium Reactions and Graphing

Equilibrium Reactions and Graphing

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial demonstrates an equilibrium straws lab, simulating an equilibrium reaction using water and straws of different diameters. The red straw represents the forward reaction, while the white straw represents the reverse reaction. The instructor explains the setup, conducts the experiment, and collects data to show how reactants and products reach equilibrium. The video emphasizes the importance of graphing data to visualize equilibrium and provides tips for effective data representation.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of using two straws of different diameters in the equilibrium straws lab?

To mimic forward and reverse reactions

To measure different volumes

To create a color contrast

To represent different temperatures

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the red straw represent in the experiment?

Catalyst

Neutral reaction

Forward reaction

Reverse reaction

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of the white straw in the experiment?

To represent the forward reaction

To act as a control

To represent the reverse reaction

To measure temperature

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the first run of the reaction, what is the initial volume of reactants?

6.42 milliliters

5 milliliters

10 milliliters

3.75 milliliters

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of using graduated cylinders in the experiment?

To mix the solutions

To create a vacuum

To ensure equal volumes are used

To measure temperature

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

During the experiment, what should the total volume of reactants and products be after each run?

15 milliliters

20 milliliters

10 milliliters

5 milliliters

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the data collected during the experiment?

By measuring temperature changes

By noting the volumes of reactants and products

By recording the color of the solution

By timing the reaction

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