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What happens to the Surface Area and Volume of a pyramid if the radius and height are divided by 2?
The surface area is reduced by a factor 4, the volume by a factor 8.
What happens to surface area when dimensions are changed by a scale factor?
The area changes by the square of the same factor.
How do you determine surface area of similar objects when it has a scale factor of 2?
For areas: Square the Scale Factor.
Tripling the radius of a sphere increases the surface area by a factor of?
9
Doubling the radius of a sphere increases the surface area by a factor of?
Four...
What is the effect of reactant surface area on the reaction rate?
surface area has simple constant factor with the rate of reaction. Rate = (surface area)[concentrations with coefficients] the greater the surface area the greater the rate of reaction in a simple constant multiple.
What is the controlling factor in very fast heterogeneous reaction?
In very fast heterogeneous reactions, the controlling factor is typically the rate of mass transfer of reactants to the reaction surface, rather than the intrinsic chemical reaction rate at the surface. This is because the reaction rate is limited by how quickly reactants can reach the surface and participate in the reaction. Improving mass transfer, for example by increasing surface area or stirring the system, can enhance the overall reaction rate.
Where surface area is not affect the rate of a reaction?
Surface area affect the reaction rate because the contact between finely divided particles is improved.
What happens to the Surface Area and Volume of a pyramid if the radius and height are divided by 2?
The surface area is reduced by a factor 4, the volume by a factor 8.
Will a smaller surface speed up a chemical reaction?
No. A smaller surface area will slow down a chemical reaction.
What happens to surface area when dimensions are changed by a scale factor?
The area changes by the square of the same factor.
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 happens to the greatest common factor of the cylinders' surface area if its radius is squared?
Nothing. The cylinder's surface area does not have a GCF.
A factor that affects the rate of reaction?
There are several factors that affect the rate of reaction: -The surface area available. -Temperature -Availability of catalyst. -Concentration, if a/the reactant(s) is/are solutions. -Pressure, if a/the reactants(s) is/are gases. -Reactivity of reactants. -Activation energy of the reaction.
Why is surface area not factor in experiment?
It depends on the experiment!
What happens to the Surface Area of a cube if each edge is multiplied by 7?
The surface area increase by a factor of 49.
Doubling the raduis of a sphere increase the surface area by a factor of?
By a factor of 22 = 4.
