Biology, 01.07.2019 09:00 bob8638

Which statement best describes the relationship between activation energy and rate of reaction? a. increasing the activation energy can increase the rate of a reaction. b. decreasing the activation energy can increase the rate of a reaction. c. there is no relationship between activation energy and rate of a reaction. d. decreasing the activation energy can decrease the rate of a reaction. get it right! theres a biology question using the name kai. thats the name of a video game character i have a crush on and its so awkward! i dont want to see that question again!

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Answer from: miriamjb

B. Decreasing the activation energy can increase the rate of a reaction.

Further explanationAccording to the theory of transition states, the reactants must reach a transition state before forming a product. The minimum kinetic energy that reactant particles must have to reach the transition state is called activation energy. If the energy produced from the collision of reactant particles does not reach the activation energy, the reaction will not produce a product. The lower the activation energy, the easier the reactant particles reach the transition state, the faster the reaction.

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Notes

If we want to increase the reaction rate, one of the factors that influence is the addition of a positive catalyst. Positive catalysts can reduce the activation energy so that many particles have kinetic energy above the activation energy.When the activation energy is low, the collision between the reacting particles will have enough energy to get past the activation energy barrier and produce a product. The attached figure shows the energy diagram for an exothermic chemical reaction. Higher curves indicate the path of the catalyst-free reaction. The lower curve shows the reaction path employing the catalyst. It should be observed that catalyzed reactions have lower activation energies than uncatalyzed reactions.As a whole, the catalyst accelerates the reaction rate by decreasing the activation energy of a reaction at a certain temperature. Learn moreThe rate of a reaction The rate of a reaction can be increased Which will increase the rate of a chemical reaction?
Which statement best describes the relationship between activation energy and rate of reaction? a.

Which statement best describes the relationship between activation energy and rate of reaction? a.

Answer from: Quest

answer; i believe the answer is hydraulic action;

Answer from: Quest

d concave shape of wave rock

explanation:

the concave shape of wave rock is a very good evidence that supports the evolution of earth due to chemical weathering. if we talk about structure of wave rock, studies have estimated that it is around 2.7 billion years old. it also serves as the foundation of evidence that it was the place where australian continent began to form.

how the structure of wave rock was created?

studies suggest that structure of wave rock was created when the surrounded area was started to weather due to which deposition of material started on the part of land which now contains wave rock.

the structure of wave rock is considered to be one of the best-known landforms in australia. at the height of around 15 cm, there can be found flared slopes which formulate the margins of hyden rock. it is now assumed by geologists that wave rock was created by subsurface water-induced weathering and not by glaciers, waves or wind.

due to deposition of material over the period of long time, the wave rock became tougher and tougher due to weathering from surrounding terrain. this makes it a physical evidence that supports the evolution of earth due to chemical weathering.

hope it !

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