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What Is An Overall Reaction? [RESOLVED]

It is important to note the difference in writing rate laws of elementary reactions and balanced 😁 Chemical equation of the overall reaction 🔥 Because the balanced chemical equation does not necessarily reveal the individual elementary reactions by which the reaction occurs, we cannot obtain the rate law for a reaction from the overall balanced chemical equation alone. The rate law of the slowest overall reaction is not the same as that for each step. It must be the experimentally determined rate laws for all reactions. It is possible for the experimentally established rate laws to become more complicated when two or more steps of a similar speed are involved. We will be focusing on reactions that can be identified to have a slower step than another. It is important to note that any step that takes place in a series of steps cannot be performed faster than its slowest. For example, an automobile assembly line cannot allow a part to be used quicker than it has been produced. Blood pressure can also be controlled by blood flow through tiny passages called capillaries. Blood pressure can be controlled by medication that causes the capillaries dilate or contract, as this is the rate-determining factor in blood flow. An elementary reaction is a chain of chemical reactions that results in one step slower than another. [1]
You should be aware of the differences between the rate laws for elementary reaction and the balanced chemical formula of the overall reaction. We cannot get the rate equation for any reaction using the balance chemical equation. This is because it does not reveal all the elementary reactions that are involved in the reaction. The rate law of the slowest overall reaction is not the same as that for each step. It must be the experimentally determined rate laws for all reactions. It is possible for the experimentally established rate laws to become more complicated when two or more steps of a similar speed are involved. We will be focusing on reactions that can be identified to have a slower step than another. It is important to note that any step that takes place in a series of steps cannot be performed faster than its slowest. For example, an automobile assembly line cannot allow a part to be used quicker than it has been produced. Blood pressure can also be controlled by blood flow through tiny passages called capillaries. Blood pressure can be controlled by medication that causes the capillaries dilate or contract, as this is the rate-determining factor in blood flow. An elementary reaction is a chemical process that involves a number of steps. It can’t happen faster than the slowest one in the chain. Curtissa Templeton, Xiongan (China) last modified this page 82 days ago [2]
Image #2
A sample of C4H8 contains a handful of C4H8 molecules that are rapidly moving and collide with others to pick up more energy. The C4H8 molecules that have enough energy can become activated compounds, which can lead to the formation of ethylene. A particularly energetic collision can knock a C4H8 molecular into the active complex’s geometry. Only a fraction of gas molecules can travel sufficiently fast at sufficient kinetic energy to achieve this feat. Therefore, only few molecules are able to absorb enough energy from collisions in order for them to react. This was last updated 33 days ago by Shanyn Kumar from Van (Turkey). [3]
Image #3
One variation of the Iodine Clock allows you to change the concentrations and times of hydrogen reactants, as well as the bromate, iodine and bromate concentrations. If the bromate and the iodine concentrations are increased by twofold, then the result is the following: reaction time Each case, it is half. The reaction rates double, and the reactants participate in first order reactions. The reaction time drops by four when the hydrogen concentration doubles. This means that the reaction rate quadruples, and that the hydrogen reaction takes place in the second order. The overall order of reactions for this iodine clock is therefore four. Kayla Robinson (Ahvaz, Iran) amended the above on March 14, 2021 [4]

Refer to the Article

  1. https://chem.libretexts.org/Bookshelves/General_Chemistry/Map:_Chemistry_-_The_Central_Science_(Brown_et_al.)/14:_Chemical_Kinetics/14.6:_Reaction_Mechanisms
  2. https://chem.libretexts.org/Courses/University_of_California_Davis/UCD_Chem_002C/UCD_Chem_2C_(Larsen)/Text/05:_Chemical_Kinetics/5.09:_Reaction_Mechanisms
  3. https://opentextbc.ca/chemistry/chapter/12-6-reaction-mechanisms/
  4. https://sciencing.com/what-is-the-overall-order-of-reaction-13712179.html
Kelly-Anne Kidston

Written by Kelly-Anne Kidston

I am a writer of many words, from fiction to poetry to reviews. I am an avid reader and a lover of good books. I am currently writing my first novel and would love to find some beta readers who are interested in getting an early look.

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