What would a hypothesis look like for this series of trials and conclusion Table [Free] B120
what would a hypothesis look like for this series of trials and conclusion Table : High Temperature peroxide, room temp yeast Observation (40mL Hydrogen peroxide, and 2 full pipettes of yeast, Graduated Cylinder Sample) Starting Temperature 44oC Time (min) Observations Temperature (oC) 1 min 2 seconds to overflow 44 oC 2 min Slowed down already 46 oC 3 min Reaction has almost stopped 48 oC Table 6: Hot Temperature peroxide, larger volume of dish soap, and yeast Observation (40mL Hydrogen peroxide, 10 drops dish soap, and 2 full pipettes of yeast Graduated Cylinder Sample) Starting Volume of Peroxide (mL): 40mL Starting Temperature of Peroxide (°C): 44 oC Time for the foam to reach the cylinder opening 2 sec to overflow, Maximum Height of foam Above cylinder opening 22 cm – 19.5 cm = 2.5 Observations 1 min of elapsed time Swift reaction, the foam is very runny. Observations at 5 min of elapsed time Foaming slowed down already, no sound, smells like yeasty dish soap, large bubbles around the base of the cylinder Observations at 10 min of elapsed time Reaction almost stopped, the foam around the base of the cylinder is very thick and white Table 7: Room Temperature Beer and Sodium Bicarbonate Observation (40mL Beer and 1.5g Sodium Bicarbonate Gra
Answer
Foaming Reactions: Temperature and Reactant Effects
🔬 Experimental Overview
The information provided includes trials involving foaming chemical reactions using hydrogen peroxide, yeast, vinegar, baking soda, beer, and dish soap at different temperatures (cold, room, warm, hot).
- Starting temperature
- Time for reaction initiation
- Foam height
- Reaction behaviour over time
📘 Explanation
These experiments were designed to observe how temperature and reactant combinations affect foam production, which acts as a visible proxy for reaction speed in decomposition and neutralization reactions.
📊 Observational Data
| Table No. | Experimental Conditions | Starting Materials | Temp (°C) | Time Points | Observations |
|---|---|---|---|---|---|
| 6 | High Temp H₂O₂ + yeast | 40 mL H₂O₂ + 2 pipettes yeast | 44 | 1 min, 2 min, 3 min | Overflow in 2 sec; slows by 2 min; nearly stopped at 3 min (48°C) |
| 6 | Hot H₂O₂ + yeast + dish soap | 40 mL H₂O₂ + 10 drops soap + 2 pipettes yeast | 44 | 2 sec, 1 min, 5 min, 10 min | Overflow in 2 sec; thick foam by 10 min |
| 7 | Room Temp Beer + Sodium Bicarbonate | 40 mL Beer + 1.5 g NaHCO₃ | 20 | 1 min, 2 min, 3 min | Bubbles instantly; slows by 2 min; nearly stopped at 3 min (23°C) |
| 8 | Cold Beer + Sodium Bicarbonate | 40 mL Beer + 1.5 g NaHCO₃ | 14 | Instant, 1 min, 5 min, 10 min | Slower than room temp; foam thick, milky; 12.5 cm max height |
| 9 | Room Temp Vinegar + Baking Soda | 100 mL Vinegar + 5.3 g Baking Soda | 20 | 1 min, 2 min, 3 min | Still foaming at 3 min; reaction slowed but ongoing |
| 10 | Warm Vinegar + Baking Soda | 100 mL Vinegar + 5.3 g Baking Soda | 27 | – | Foam reached top of 500 mL beaker |
🔎 Hypothesis
- Higher temperature increases reaction rate and foam height due to greater particle energy.
- Combination of hydrogen peroxide + yeast + dish soap produces more foam than vinegar + baking soda.
🔬 Scientific Explanation
This aligns with the collision theory: higher temperatures promote more frequent and energetic molecular collisions. Combinations like H₂O₂ + yeast + dish soap release oxygen gas rapidly, generating vigorous foam.
📌 Conclusion (Based on Observations)
- Hot H₂O₂ + yeast overflowed in 2 sec, confirming fastest reaction rate (48°C).
- Room temp reactions bubbled quickly but stopped within 3 min.
- Foam height was lowest in cold reactions.
- Most vigorous reaction: H₂O₂ + yeast + dish soap.
- Vinegar + baking soda was consistent but slower.
✅ Summary
Hypothesis:
Raising the temperature increases reaction speed and foam height. The H₂O₂ + yeast + soap combo gives the most vigorous foam.
Conclusion:
Higher temperatures and catalytic combinations lead to faster, taller foam. Cold and room temp setups showed less foaming. Reactant type and temperature are key to foam behavior.