Is there an energy change in the oxidoreduction reaction? Why is it unchanged?Your question is a little messy. There was an energy change in the oxidoreduction reaction. This was because in the oxidoreduction reaction, the chemical bond of the reagent was broken to absorb energy, and the chemical bond of the product was formed to release energy. This absorption and release produced a change in energy. For example, the common combustion reaction was the oxidoreduction reaction, which would release heat.
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What kind of reaction will change the content of the fatty acid?The heating reaction of the oil would change the content of the fatty acid. After the oil was heated for 6 hours, the content of oily acid, linolic acid and linolenic acid in the fatty acid decreased. The content of oily acid, linolenic acid and linolenic acid in sunflower oil and rape seed oil decreased significantly during the heating process, while the content of soybean oil and corn oil decreased to a lower degree. In addition, when the diet contained too much fatty acid, it might interfere with the human body's synthesis of growth factors, plasma, and Lipoprotein. In particular, the excessive amount of Omega- 6 fatty acid would interfere with the human body's utilization of Omega- 3 fatty acid. This process also involved the change of the content of fatty acid.
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The total number of ions does not change during the reactionDuring a chemical reaction, the total number of ions did not necessarily remain the same. For example, in the reaction of NaCl2 + AgNO2 = NaNO2 + AgCl2, the number of ions after the reaction was reduced due to the formation of silver chloride2.
However, the total charge of the ions before and after the reaction in the water solution did not change. At the same time, in a chemical reaction, the total number of atoms before and after the reaction did not change.
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Diagram of the kinetic change of sulfur dioxide to sulfuric acid reactionYou just gave it the name " Diagram of the kinetic change of sulfur dioxide to sulfuric acid reaction ". There's no more content. I can't reorganize it according to the requirements. You can add some information such as the characteristics of this chart and the relevant reaction conditions.
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Color Change of Colloidal Solution from the Reaction of NaSiO4 and HNO3The reaction between the acid and the acid was to form a sulfuric acid deposit. The reaction equation was Na 2 SiO2 +2HNO2 == H 2 SiO2 +2NaNO2. No colloid solution was formed, so the color of the colloid solution did not change.
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The reaction phenomenon of the reaction of nitrates and the reaction of the reaction of the nitrates and the sodiumsThe reaction between the acid and the acid would result in the formation of a sulfuric acid deposit. The reaction equation was Na Chi SiOx +2HNOOx == H Chi SiOx +2NaNOOx, and the reaction phenomenon was the formation of a white deposit. In this reaction, the sulfuric acid did not show any oxidisation, but only showed its acidic nature. This was because the silicon in the silica was already in the highest state, and the acidic nature of the sulfuric acid was stronger than that of the sulfuric acid, which was in line with the principle of making a weak acid from a strong acid.
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How does reaction time change when listening to a sad story?The reaction time when listening to a sad story is complex. It could be rapid if the story contains elements that immediately resonate with our own experiences or values. For instance, if a sad story is about the loss of a loved one and we've been through something similar, we may react right away. However, if the story is more abstract or set in a context we're not familiar with, it may take more time for us to process and react. Additionally, individual differences in personality, such as whether someone is more sensitive or more stoic, will also impact the reaction time.
C-reaction protein decreased. Change from infusion to oral administration.C-reaction protein was a substance synthesized by liver cells when the human body was invaded by microorganisms or tissue injury. It was an important indicator of acute inflammation in the human body. When C-reaction protein decreased, it might mean that the inflammation was decreasing. If he was receiving infusion therapy before, it was feasible to change to oral medication. For example, in some cases, such as tonsil suppuration infusion for 6 days and C-reaction protein is a little high, oral antibiotics can generally be changed for three to five days; In cases of lung infection in the new crown, when the C-reaction protein index drops from a higher value (such as from 147 to 37), the infusion is stopped and oral antibiotics are changed. However, whether or not to change from infusion to oral medication still needed to consider the patient's overall condition, such as whether there were other infectious symptoms (such as fever, white blood cells, etc.), the body's ability to recover, and many other factors.
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Why does the chemical formula of the neutralizing reaction in organic chemistry not change?In organic chemistry, the chemical formula seemed to be unchanged for the following reasons. First of all, from the basic types of reactions between acid and base to form salt and water, such as the reaction between organic acid and organic base, such as CH3COON + CH3NH2 → CH3COONH4, the type and number of atoms do not change before and after the reaction. This is based on the law of conservation of mass. In the reaction process, only the hydrogen ion (H) in the acid and the hydrogen ion (Oh2) in the base (or a similar group that can accept or give hydrogen ions in organic bases) combine to form water, while the acid radical and the positive ion (or similar structure) in the base combine to form a salt. The atoms recombine but the type and quantity remain the same. Another example was the reaction between an acid and an organic compound containing a hydrogen radical to form a salt and water. In the reaction process, the hydrogen atom in the hydrogen radical was replaced by the hydrogen atom in the hydrogen radical, and the atoms were rearranged. The overall type and number of atoms did not change, so the chemical formula did not change in terms of the overall composition of the elements.
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What kind of intense reaction would cause a change in color with methylethalin?Phospholothalin was an acid and base indicator that would change color when it reacted with a base. In an acidic and neutral environment, phenylethanes are usually colorless, but in an acidic environment with a pH8.2 - 10.0, they turn red. When the base solution was too concentrated (the pH value was too high), the phenylethanes would immediately turn into colorless Carboxylate when they met the concentrated base solution, and then they would turn red and soon fade. In addition, when it comes into contact with urine, it may also change color according to the urine's pH. When the urine is acidic, phenylephalen may appear red, and when the urine is basic, phenylephalen may appear blue. In a strong acidic environment, thymolalin would turn blue, but when neutralized with acid, it would return to its original color. In addition, the wet test paper turned red when it came into contact with nitrogen.
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