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Bill Nye: Chemical Reactions Questions and Answers | 2024/2025 | 100% Pass
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Bill Nye: Chemical Reactions Questions and Answers | 2024/2025 | 100% Pass What is a chemical reaction? A chemical reaction is a process where substances, called reactants, transform into new substances, called products. What are the signs of a chemical reaction? Signs of a chemical rea...

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  • October 19, 2024
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  • 2024/2025
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Bill Nye: Chemical Reactions Questions
and Answers | 2024/2025 | 100% Pass
What is a chemical reaction?


✔✔A chemical reaction is a process where substances, called reactants, transform into new

substances, called products.




What are the signs of a chemical reaction?


✔✔Signs of a chemical reaction include color change, temperature change, gas production, and

the formation of a precipitate.




What role do reactants play in a chemical reaction?


✔✔Reactants are the starting materials that undergo change during a chemical reaction.




What is a product in a chemical reaction?


✔✔A product is a substance that is formed as a result of a chemical reaction.




How does temperature affect chemical reactions?




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, ✔✔Increasing the temperature generally speeds up chemical reactions by providing more energy

for the reactants.




What is an example of an endothermic reaction?


✔✔Photosynthesis is an example of an endothermic reaction, where plants absorb sunlight to

convert carbon dioxide and water into glucose.




What is an example of an exothermic reaction?


✔✔Combustion, such as burning wood or fuel, is an example of an exothermic reaction, where

heat and light are released.




What is a catalyst?


✔✔A catalyst is a substance that speeds up a chemical reaction without being consumed in the

process.




Why is it important to balance chemical equations?


✔✔Balancing chemical equations is important to ensure that the law of conservation of mass is

obeyed, meaning the same number of atoms of each element are present in both reactants and

products.


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