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Listening Quiz: Thuyết Trình Mô Hình Động Học Cho Phản Ứng Hóa Học Gián Đoạn – Easy Level
Th10 22, 2024
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bởi
Anna Phạm
trong
Tiếng Anh Hóa Học (English for Chemistry)
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1.
What is Olivia mainly presenting in the conversation?
A new kinetic model for a batch chemical reaction
A plan to replace all chemical reactions with simulations
A report about experimental equipment failures
A discussion of temperature control in a hospital lab
Explanation:
Olivia says she will explain their new kinetic model, and the conversation focuses on what it shows, the data used, and how accurate it is.
2.
What data did Olivia say was used to build the model?
Pressure and volume data from field tests
Reaction speed data from computer games
Customer survey results and sales figures
Temperature and concentration data from experiments
Explanation:
Olivia states that they used temperature and concentration data from experiments.
3.
What assumption does the model make about the reaction?
The reaction only happens at night
The reaction requires no temperature changes
The reaction is uniform in the batch
The reaction stops after the first minute
Explanation:
Olivia says the model assumes the reaction is uniform in the batch.
4.
What can be inferred about the model based on Olivia’s description?
It is only meant to describe reactions that never change over time
It was built without any experimental data
It is useful for both predicting and improving the reaction process
It cannot be compared with experimental results
Explanation:
Olivia says the model predicts reaction progress, matches experimental results closely, and can help optimize conditions and save time, so it is useful for prediction and improvement.
5.
How accurate is the model according to Olivia?
It has not been tested against experiments
It only works when the reaction speed stays constant
It has more than 20% error in most cases
It matches experimental results closely, within 5% error
Explanation:
Olivia says the model matches experimental results closely, within 5% error.
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