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Which one of the following factors does NOT affect the rate of a chemical reaction? Humidity Concentration Temperature Surface area

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Which one of the following factors does NOT affect the rate of a chemical
reaction?
Humidity
Concentration
Temperature
Surface area

Which one of the following factors does NOT affect the rate of a chemical reaction? Humidity Concentration Temperature Surface area

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FayeExpert · Tutor for 3 years

Answer

Humidity

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## Step 1:<br />Identify the factors that affect the rate of a chemical reaction. The rate of a chemical reaction can be influenced by several factors such as the concentration of the reactants, the temperature at which the reaction is taking place, and the surface area of the reactants.<br /><br />## Step 2:<br />Analyze each option in the question. <br /><br />### Concentration: <br />A higher concentration of reactants leads to more collisions per unit time and thus a faster reaction rate. Therefore, concentration is a factor that affects the rate of a chemical reaction.<br /><br />### Temperature: <br />At higher temperatures, molecules have more kinetic energy and collide more frequently and with greater energy, which increases the reaction rate. Therefore, temperature is a factor that affects the rate of a chemical reaction.<br /><br />### Surface area: <br />Increasing the surface area of the reactants provides more area for collisions to occur, thereby increasing the reaction rate. Therefore, surface area is a factor that affects the rate of a chemical reaction.<br /><br />### Humidity: <br />Humidity refers to the amount of water vapor in the atmosphere. It does not directly affect the rate of a chemical reaction unless the reaction specifically involves water vapor as a reactant or product. For most reactions, humidity is not a factor that affects the rate of the reaction.<br /><br />## Step 3:<br />Based on the analysis in Step 2, we can conclude that humidity is the factor that does not affect the rate of a chemical reaction.
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