CHEM 121 LAB REPORT 5 BONDING TYPE AND
SOLUBILITY ANALYSIS 2026
◉ Experiment 3: What do the observations during the reaction tell
you about this reaction. Answer: the formation of bubbles indicates
a gas was released in the reaction
◉ Experiment 3: What was the initial temperature displayed on the
thermometer before the addition of 0.25 g of zinc to the HCl
solution. Answer: 21.5 degrees C
◉ Experiment 3: What was the maximum temperature displayed on
the thermometer after the addition of 0.25 g of zinc to the HCl
solution. Answer: 22.6 degrees C
◉ Experiment 3: What was the temperature difference between the
maximum temperature (after the addition of 0.25 g of zinc) and the
initial temperature of the HCl solution?. Answer: 1.1 degrees C
◉ Experiment 3: What was the initial temperature displayed on the
thermometer before the addition of 25 g of zinc to the HCl solution?.
Answer: 21.5 degrees C
, ◉ Experiment 3: What was the maximum temperature displayed on
the thermometer after the addition of 25 g of zinc to the HCl
solution?. Answer: 87.1 degrees C
◉ Experiment 3: What was the temperature different between the
maximum temperature (after the addition of 25 g of zinc) and the
initial temperature of the HCl solution?. Answer: 65.6 degrees C
◉ Experiment 3: What was the initial mass of the contents in the
flask before the addition of 0.25 g of zinc to the HCl solution?.
Answer: 110.826 g
◉ Experiment 3: What was the final mass of the contents of the flask
after the addition of 0.25 g of zinc to the HCl solution?. Answer:
111.069 g
◉ Experiment 3: What was the difference in mass between the final
mass of the flask contents after the addition of 0.25 g of zinc and the
initial mass of the flask contents before the addition of zinc?.
Answer: 0.243 g
◉ Experiment 3: What was the initial mass of the contents of the
flask before the addition of 25 g of zinc to the HCl solution?. Answer:
110.826 g
SOLUBILITY ANALYSIS 2026
◉ Experiment 3: What do the observations during the reaction tell
you about this reaction. Answer: the formation of bubbles indicates
a gas was released in the reaction
◉ Experiment 3: What was the initial temperature displayed on the
thermometer before the addition of 0.25 g of zinc to the HCl
solution. Answer: 21.5 degrees C
◉ Experiment 3: What was the maximum temperature displayed on
the thermometer after the addition of 0.25 g of zinc to the HCl
solution. Answer: 22.6 degrees C
◉ Experiment 3: What was the temperature difference between the
maximum temperature (after the addition of 0.25 g of zinc) and the
initial temperature of the HCl solution?. Answer: 1.1 degrees C
◉ Experiment 3: What was the initial temperature displayed on the
thermometer before the addition of 25 g of zinc to the HCl solution?.
Answer: 21.5 degrees C
, ◉ Experiment 3: What was the maximum temperature displayed on
the thermometer after the addition of 25 g of zinc to the HCl
solution?. Answer: 87.1 degrees C
◉ Experiment 3: What was the temperature different between the
maximum temperature (after the addition of 25 g of zinc) and the
initial temperature of the HCl solution?. Answer: 65.6 degrees C
◉ Experiment 3: What was the initial mass of the contents in the
flask before the addition of 0.25 g of zinc to the HCl solution?.
Answer: 110.826 g
◉ Experiment 3: What was the final mass of the contents of the flask
after the addition of 0.25 g of zinc to the HCl solution?. Answer:
111.069 g
◉ Experiment 3: What was the difference in mass between the final
mass of the flask contents after the addition of 0.25 g of zinc and the
initial mass of the flask contents before the addition of zinc?.
Answer: 0.243 g
◉ Experiment 3: What was the initial mass of the contents of the
flask before the addition of 25 g of zinc to the HCl solution?. Answer:
110.826 g
