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Why is glucose down via many small reactions rather that all at once via one large reaction?
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What is the difference between a thermodynamically favorable and a thermodynamically unfavorable reaction?
Enthalpy change is not the only consideration for whether a reaction is favorable. However, if the enthalpy change is large, it is usually the dominant factor in determining favorability. Therefore, reactions that have a large, negative tend to be favorable, because the reaction usually releases energy when it occurs. Reactions that have a large, positive tend to be unfavorable as written, because the reaction usually requires energy to occur.
Why is respiration an exothermic reaction?
Respiration is considered as exothermic reaction because during the process,oxidation of glucose takes place which generates large amount of heat energy.
What is an endogenous reaction?
Endogenic processes are large scale processes that transform landforms
Why is aluminum chloride used in large excess in Friedel-Crafts reactions?
To ensure there's enough of it to allow the reaction to go to completion.
What does small amount of an enzyme can cause the reaction of large quantities of substrate mean?
That enzymes can catalyze reactions and remain unchanged by those reactions, causing many reactions per second. Enzymes are protein machines that are reusable and rapid catalyzers.
Why are reactions with alkali metals not normally carried out?
this is because there might be a large and dangerous reaction.
What is the difference between a thermodynamically favorable and a thermodynamically unfavorable reaction?
Enthalpy change is not the only consideration for whether a reaction is favorable. However, if the enthalpy change is large, it is usually the dominant factor in determining favorability. Therefore, reactions that have a large, negative tend to be favorable, because the reaction usually releases energy when it occurs. Reactions that have a large, positive tend to be unfavorable as written, because the reaction usually requires energy to occur.
Why is respiration an exothermic reaction?
Respiration is considered as exothermic reaction because during the process,oxidation of glucose takes place which generates large amount of heat energy.
What type of reactions build large molecules from smaller and simpler molecules?
The formation of large molecules from small repeating units is known as a condensation reaction. A condensation reaction is also known as dehydration synthesis.
Why do endothermic reactions need additional energy to keep going while exothermic reactions don't?
Ipso facto. An endothermic reaction "absorbs" energy (uses it to create high-energy bonds), so this must be constantly supplied from an external source. An exothermic reaction "releases" energy, and this energy can be used to continue the reaction until there are no reactants remaining.This is why stellar cores cannot fuse massive quantities of elements heavier than iron. The reactions are not self-perpetuating as they are absorbing energy rather than releasing it. A large, inert iron core is the result.
What is an endogenous reaction?
Endogenic processes are large scale processes that transform landforms
Why is aluminum chloride used in large excess in Friedel-Crafts reactions?
To ensure there's enough of it to allow the reaction to go to completion.
What does small amount of an enzyme can cause the reaction of large quantities of substrate mean?
That enzymes can catalyze reactions and remain unchanged by those reactions, causing many reactions per second. Enzymes are protein machines that are reusable and rapid catalyzers.
What chemical reactions that break down molecules into smaller ones?
The type of reaction responsible for the breakdown of large molecules into smaller ones is referred to as the catabolic reaction or catabolism.
What are the large complex protein molecules that modify chemical reactions?
The large complex protein molecules that modify chemical reactions are called enzymes. Enzymes act as catalysts, speeding up chemical reactions by lowering the activation energy required for the reaction to occur. They bind to specific molecules called substrates and facilitate the conversion of substrates into products.
How are photosynthesis and cell respiration related?
Cellular respiration is the process in which the chemical bonds of energy-rich molecules such as glucose are converted into energy usable for life processes. Oxidation of organic material---in a bonfire, for example---is an exothermic reaction that releases a large amount of energy rather quickly. The equation for the oxidation of glucose is:C6H12O6 + 6O2 → 6CO2 + 6H2O + Energy released (2830 kJ mol−1)
Why do you need enzymes in your body?
Enzymes play a crucial role in various biological reactions within the body. They act as catalysts, speeding up chemical reactions that are necessary for processes like digestion, metabolism, and energy production. Without enzymes, these reactions would proceed too slowly to sustain life. Enzymes are also involved in repairing DNA, regulating hormones, and supporting immune function.
