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Which would react more quickly in a chemical reaction a single sugar cube or an equal mass of graduated sugar crystals?
When the granules dimension of a material is lowered the surface area is increased and the reaction rate is higher.
Would carbonates react faster as lumps or as powder?
Carbonates would generally react faster as powder compared to lumps due to the increased surface area available for the reaction to occur. More surface area allows for more contact between the reactants and speeds up the reaction process.
What do concentration surface area and temperature have in common?
Concentration, surface area, and temperature all affect the rate of chemical reactions. Increasing concentration increases the number of reactant particles colliding, larger surface area allows for more contact between reactants, and higher temperature provides more energy for particles to react.
Why is powder in a chemical reaction used instead of lumps?
Powdered substances have a higher surface area compared to lumps, which allows for faster and more even reactions. The increased surface area facilitates greater contact between the reactants, leading to a more efficient reaction process. Additionally, powdered substances tend to have better solubility and dispersibility in reaction mixtures.
How does increased surface area of a reactant in a chemical reaction leads to faster reaction?
Increasing the surface area of a reactant exposes more of its particles to the other reactants, leading to more frequent collisions and increasing the chances of successful collisions. This results in a faster reaction rate as the particles have a higher likelihood of interacting and forming products.
How might the chewing of food be related to the rate of chemical reaction digestion that occurs in your body?
Chemical reaction rate is increased by: -increased surface area -increased temperature -increased concentration of reactants -presence of a catalyst Chewing food essentially breaks up large chunks of food into smaller bits, increased total surface area for digestion.
Why is the rate of reaction increased when magnesium is powdered rather than in solid form?
The rate of reaction increases when magnesium is in powdered form because it has a larger surface area compared to solid form. This increased surface area allows for more collisions between magnesium atoms and reactant particles, leading to a higher reaction rate.
Why does grinding a solid into powder increase reaction rate?
Increased surface area for reaction to occur on
What is the relationship between surface area and rate of reaction?
The increase in surface area of reactants increases the contact between reacting molecules, atoms or ions so the rate of reaction becomes increased.
What is the effect of cutting one single strip of magnesium into more than one when doing a chemical reaction?
Cutting a single strip of magnesium into more than one piece increases the surface area available for the reaction to occur. This increased surface area leads to a faster reaction rate because more magnesium atoms are exposed to the reactants, resulting in a more rapid production of products.
How do you alter the reaction rate of a chemical change?
Heat - increases it Increased stirring - increases it larger surface area - increases it catalyst - usually increases it and the reverse of the above slows the reaction down
What affects the rate of a reaction?
Factors that affect the rate of a reaction include the concentration of reactants, temperature, presence of catalysts, and the surface area of the reactants. Increasing reactant concentration, temperature, or surface area typically increases the reaction rate, while catalysts can speed up reactions by providing an alternative pathway with lower activation energy.
How does the surface area affect the rate of a reaction?
The powdered solid has a greater surface area than the single lump of solid. So the larger the surface area of the solid, the faster the reaction will be. Increasing the surface area of the solid increases the chances of collision taking place between the molecules of reactants, if it is a reaction in liquid or gaseous phase.
What methods can you use to increase the rate of a chemical reaction?
There are several ways that the rate of reaction may be increased. Some of the more common ways areincrease temperatureincrease surface area (grind or powder the reactants)use a catalystagitate/stir the reaction mixture
Which would react more quickly in a chemical reaction a single sugar cube or an equal mass of graduated sugar crystals?
When the granules dimension of a material is lowered the surface area is increased and the reaction rate is higher.
How does the structure of mitochondria maximize its production of ATP?
The inner membrane of the mitochondria is very folded and convoluted. This provides increased surface area for increased reaction rate. In Biology, the faster the reaction rate, the better. Therefore, many processes have evolved traits that allow for increased surface area. Most ATPs (~36) in cell respiration are produced through oxidative phosphorylation in the Electron Transport Chain and chemiosmosis. Both the ETC and ATP synthase (provides for chemiosmosis) are part of the inner mitochondrial membrane. More surface area in the membrane means more ATPs.
How did the rate of loss of the limestone change from the beginning of the experiment to the end?
The rate of loss of limestone increased as the experiment progressed. Initially, the reaction between the acid and limestone was slower, resulting in a lower rate of loss. However, as more limestone was consumed and the surface area for the reaction increased, the rate of loss of limestone accelerated.
