Specific Conductance and Conductivity Quiz

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What is the relationship between temperature and conductance according to the text?

A 1°C increase in temperature results in a 2% decrease in conductance

Temperature has no effect on conductance

Conductance is inversely proportional to temperature

A 1°C increase in temperature results in a 2% increase in conductance (correct)

Why is it preferred to dilute the solution when conducting conductometric determinations?

In high concentration electrolytes, the ions may not move freely due to interionic attractive forces, resulting in a non-linear relationship between conductance and concentration (correct)

To increase the distance between the electrodes

To decrease the activity coefficient

To increase the activity of the ions

What is the relationship between the conductance of an electrolyte (G) and the surface area of the electrodes (A) according to the text?

G is directly proportional to A (correct)

G is inversely proportional to A

G is proportional to the square root of A

G is independent of A

What is the relationship between the conductance of an electrolyte (G) and the distance between the electrodes (L) according to the text?

G is inversely proportional to L Signup and view all the answers

What is the formula for the relationship between conductance (G), electrode area (A), and electrode distance (L) according to the text?

G = K * A / L Signup and view all the answers

What is the definition of the activity coefficient (Fa) according to the text?

Fa = a / C Signup and view all the answers

What happens to the activity coefficient (Fa) as the concentration of the solution increases?

Fa decreases Signup and view all the answers

What is the unit of conductance (G) according to the information provided in the text?

Siemens Signup and view all the answers

According to Ohm's law, what is the relationship between current (I), voltage (V), and resistance (R)?

I = V / R Signup and view all the answers

What is the main advantage of conducting conductometric determinations under thermostatically controlled conditions according to the text?

To ensure the ions move freely and the relationship between conductance and concentration remains linear Signup and view all the answers

Specific Conductance and Conductivity Quiz

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Questions and Answers

What is the relationship between temperature and conductance according to the text?

Why is it preferred to dilute the solution when conducting conductometric determinations?

What is the relationship between the conductance of an electrolyte (G) and the surface area of the electrodes (A) according to the text?

What is the relationship between the conductance of an electrolyte (G) and the distance between the electrodes (L) according to the text?

What is the formula for the relationship between conductance (G), electrode area (A), and electrode distance (L) according to the text?

What is the definition of the activity coefficient (Fa) according to the text?

What happens to the activity coefficient (Fa) as the concentration of the solution increases?

What is the unit of conductance (G) according to the information provided in the text?

According to Ohm's law, what is the relationship between current (I), voltage (V), and resistance (R)?

What is the main advantage of conducting conductometric determinations under thermostatically controlled conditions according to the text?

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