It's a chemical change because it's changing the object's property.
Answer:
A catalyst speeds up a chemical reaction, without being consumed by the reaction. It increases the reaction rate by lowering the activation energy for a reaction. ... Remember that with a catalyst, the average kinetic energy of the molecules remains the same but the required energy decreases
Explanation:
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Flammability
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Answer:
Hey hi
Explanation:
Can you pls tell me which language is this.... Pls really sorry... I wanna help you