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06.04 Lab: Reaction rates and temperature.

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miah beck

on 6 May 2014

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Transcript of 06.04 Lab: Reaction rates and temperature.

06.04 Lab: Reaction rates and temperature.
By: Miah Beck
Test 1
Test 2
Length of time the hot water fizzed
length of time the cold water fizzed
Data Table
4 Antacid tablets
2 Clear cups labeled hot and cold
Timing device
1. Get a timing device
2. put hot water in one cup, and cold water in another.
3. 2 clear glasses
4. antacid tablets
5. start the timer and drop one antacid
tablet into one cup at the same time .
6. record the time of the antacid tablets dissolving in each cup.
7. Repeat Again.
1. What evidence indicates that a chemical reaction took place?
- A chemical reaction took place when the antacid tablets was placed in 2 cups with different temperatures of water while it dissolved.
2. Was your hypothesis correct ?
3.Predict what would happen if we conducted the same experiment with room temperature water?
30 seconds
59 seconds
28 seconds
55 seconds
The water temperature will effect the reaction rates since the molecules move faster and because of kinetic energy is being brought in it.
Yes , my hypothesis came out to be correct because of kinetic energy, which made the antacid dissolve faster.
if i was to conduct the same experiment using room temperature water , i think the antacid tablet will dissolve about the same as how it dissolved in the cold water temperature because its not hot water.
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