Chemical Reactions Investigation
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Chemical Reactions Investigation
🔬 Part 1: Pre-Investigation Hypotheses
Reaction 1: Magnesium + Hydrochloric Acid
Reaction 2: Lead Nitrate + Potassium Iodide
Reaction 3: Copper + Silver Nitrate
📊 Part 2: Observation Recording Table
| Reaction | Initial Appearance | Observations During Reaction | Final Appearance |
|---|---|---|---|
| Magnesium + HCl | |||
| Lead Nitrate + Potassium Iodide | |||
| Copper + Silver Nitrate |
🌡️ Part 3: Quantitative Measurements
Temperature Changes:
Magnesium + HCl - Starting temperature: ____°C Final temperature: ____°C
Lead Nitrate + Potassium Iodide - Starting temperature: ____°C Final temperature: ____°C
Copper + Silver Nitrate - Starting temperature: ____°C Final temperature: ____°C
Magnesium + HCl: _______ seconds
Lead Nitrate + Potassium Iodide: _______ seconds
Copper + Silver Nitrate: _______ seconds
⚖️ Part 4: Chemical Reaction Analysis
Magnesium + Hydrochloric Acid:
Lead Nitrate + Potassium Iodide:
Copper + Silver Nitrate:
Reaction 1: _________________ + _________________ → _________________ + _________________
Reaction 2: _________________ + _________________ → _________________ + _________________
Reaction 3: _________________ + _________________ → _________________ + _________________
🔍 Part 5: Evidence and Conclusions
1. ________________________: Example from experiments: _________________________________
2. ________________________: Example from experiments: _________________________________
3. ________________________: Example from experiments: _________________________________
4. ________________________: Example from experiments: _________________________________
⚠️ Part 6: Safety Reflection
🚀 Part 7: Extension Challenge
Reaction chosen: _________________________________
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