Understanding Galvanic Cells and Non-Standard Conditions

Understanding Galvanic Cells and Non-Standard Conditions

Assessment

Interactive Video

Chemistry, Science

11th Grade - University

Hard

Created by

Sophia Harris

FREE Resource

The video tutorial covers non-standard conditions in galvanic cells, emphasizing their importance in chemical reactions. It explains the derivation and simplification of the Nernst equation, developed by Walther Nernst, and explores various scenarios affecting cell potential, such as standard conditions, equilibrium, and different values of the reaction quotient (Q). The tutorial also includes practical examples and questions to reinforce understanding of the concepts discussed.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why are non-standard conditions crucial in chemical reactions?

They are rarely encountered in real-life reactions.

They simplify the calculation of cell potential.

They provide a theoretical framework for standard conditions.

Chemical reactions are always at non-standard conditions.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Who developed the Nernst equation and in which year?

Albert Einstein in 1905

Marie Curie in 1898

Dmitri Mendeleev in 1869

Walther Nernst in 1887

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the cell potential when Q is greater than 1?

It decreases below the standard cell potential.

It becomes zero immediately.

It remains the same as the standard cell potential.

It increases above the standard cell potential.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the relationship between cell potential and equilibrium constant at equilibrium?

Cell potential is negative.

Cell potential is equal to the equilibrium constant.

Cell potential is zero.

Cell potential is maximum.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the cell potential when Q is less than 1?

It decreases below the standard cell potential.

It remains the same as the standard cell potential.

It increases above the standard cell potential.

It becomes zero immediately.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does adding sodium hydroxide to the cathode compartment affect the cell potential?

It decreases the cell potential.

It doubles the cell potential.

It has no effect on the cell potential.

It increases the cell potential.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does increasing the molarity of zinc ions affect the cell potential?

It doubles the cell potential.

It has no effect on the cell potential.

It decreases the cell potential.

It increases the cell potential.

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