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Chemistry Data Interpretation Worksheet
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Chemistry Data Interpretation Worksheet
A science team is testing how water-bath temperature affects the rate of a reaction that produces gas. They add the same amount of reactants each time and count the bubbles produced in one minute. Use the results below to investigate the pattern and the reliability of the data.
Water-bath temperature (°C)
Bubbles counted in one minute
10
5
20
12
30
25
40
48
50
95
60
15
Read the results
Use the results table to answer questions 1–4.
1.At 30°C, how many bubbles were counted in one minute?
2.Which temperature had the highest recorded reaction rate?
- 30°C
- 40°C
- 50°C
- 60°C
3.Describe the general pattern in the results as temperature rises from 10°C to 50°C. Include at least two values from the table.
4.Which result does not fit the increasing pattern from 10°C to 60°C, and what makes it stand out?
Think like a scientist
A surprising result is a reason to investigate, not a reason to hide or automatically discard data.
5.What is the best next step for checking the surprising 60°C result?
- Delete it because it does not match the pattern
- Repeat the 60°C test and check that the equipment and method are working
- Change the 50°C result so both values are closer
- Stop collecting data
6.True or false: One unusual result proves that temperature has no effect on reaction rate. Explain your choice.
7.At higher temperatures, particles usually move faster. How can this help explain why the reaction rate often increases?
- Particles collide more often, and more collisions can lead to reaction
- Particles become larger and stop moving
- The reactants disappear before they can collide
- The temperature changes the number of bubbles already counted
8.The team plans a new test. Name one factor, other than temperature, that they should keep the same each time to make a fair comparison.
9.Write a conclusion about the effect of temperature on reaction rate. Use evidence from the table and mention the unusual 60°C result.
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