Extensive properties, such as mass and volume, depend on the amount of matter being measured. Intensive properties, such as density and color, do not depend on the amount of the substance present. Physical properties can be measured without changing a substance's chemical identity.
Explanation:
Reaction rate is a measure of speed of a chemical reaction.
Usually, based on rates, reactions can be divided into two parts:
- Slow reactions which usually takes a long time.
- Fast reactions which takes place completely in seconds or microseconds.
Reaction rate can be defined as a change in the concentration of a reactant or product per unit time:
The unit is mol dm⁻³ s⁻¹
Reaction rate =
The measurement of the reaction rate is based on the disappearance of a reactant or appearance of a product with increasing reaction time.
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Reaction rate brainly.com/question/9642960
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One of them oxygen or chlorine, the reason is that from the left to the right the electronegativity increases as well from the bottom to the top it increases as well :)) so the chlorine and oxygen is near each other so i cant decide cuz im not sure ☹️☹️