Temperature Changes with Zinc and Magnesium

What was the initial temperature of the aqueous iron(II) sulfate solution in the experiment?

• 20°C

• 25°C

• 30°C

• 35°C

How much zinc powder was added to the solution to achieve a maximum temperature rise of 19.0°C?

• 0.4 g

• 0.6 g

• 0.8 g

• 1.0 g

What was the maximum temperature recorded when 0.6 g of zinc was added?

• 34.5°C

• 39.0°C

• 44.0°C

• 25.0°C

At what mass of zinc added did the temperature rise first reach 19.0°C?

• 0.6 g

• 0.8 g

• 1.0 g

• 1.2 g

What was the temperature rise when no zinc was added to the solution?

• 0.0°C

• 5.0°C

• 9.5°C

• 14.0°C

Which of the following masses of zinc resulted in the same maximum temperature?

• 0.0 g and 0.2 g

• 0.8 g, 1.0 g, and 1.2 g

• 0.4 g and 0.6 g

• 0.2 g and 0.4 g

What was the maximum temperature rise observed in the experiment?

• 14.0°C

• 19.0°C

• 9.5°C

• 5.0°C

How much zinc was added to achieve a maximum temperature of 30.0°C?

• 0.0 g

• 0.2 g

• 0.4 g

• 0.6 g

What was the purpose of the experiment conducted by the student?

• To measure the density of zinc

• To investigate temperature changes with zinc and magnesium

• To find the boiling point of iron(II) sulfate

• To determine the solubility of zinc

What was the volume of aqueous iron(II) sulfate used in the experiment?

• 20 cm³

• 30 cm³

• 40 cm³

• 50 cm³