Dynamic Equilibrium - Experimental Analysis

Dynamic Equilibrium - Experimental Analysis

Assessment

Interactive Video

Chemistry, Science, Physics

10th Grade - University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video tutorial discusses a series of experiments involving different concentrations of reactants and products, specifically hydrogen, iron, and hydrogen iodide. It explains how equilibrium concentrations are determined and substituted into expressions, resulting in a constant value of approximately 49. The tutorial also covers the significance of stoichiometric coefficients in balanced chemical equations, highlighting the power of concentration for reactants and products.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is observed about the concentrations of reactants and products over time in the experiments?

They decrease to zero.

They increase indefinitely.

They reach a constant value.

They fluctuate randomly.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What term is used to describe the constant concentrations of reactants and products at equilibrium?

Initial concentrations

Transient concentrations

Final concentrations

Equilibrium concentrations

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What constant value was obtained in all the experiments when equilibrium concentrations were used in the expression?

25

49

75

100

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a balanced chemical equation, what does the power of concentration for reactants and products refer to?

The initial concentration

The stoichiometric coefficient

The reaction rate

The final concentration

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the stoichiometric coefficient for hydrogen iodide in the balanced chemical equation discussed?

1

2

3

4

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