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What are differences between rapid and spontaneous combustion?
The spontaneous combustion flows very slowly and occur by self heating.
What reaction is the most spontaneous?
The most spontaneous reaction is typically a reaction that releases a large amount of energy in a short period of time, such as explosions or combustion reactions. These reactions occur quickly and without requiring an external force to initiate them.
What is the relationship between exergonic reactions endergonic reactions and the use and regeneration of ATP?
Exergonic reactions release energy and are spontaneous, while endergonic reactions require energy input and are non-spontaneous. ATP is used to drive endergonic reactions by providing the necessary energy for them to occur. ATP is regenerated through exergonic reactions by capturing the energy released during these reactions.
What is the connection between spontaneous reactions and free energy?
Spontaneous reactions release free energy. If a reaction is spontaneous, it means that it can occur without outside intervention because the products are at a lower energy state than the reactants, and the excess energy is released as free energy. The change in free energy (ΔG) for a spontaneous reaction is negative.
In what kind of cell are the redox reactions made to occur by an externally applied electrical current?
Redox reactions can occur in electrolytic cells when an externally applied electrical current drives non-spontaneous redox reactions to proceed. This is a process used in electrolysis, where an electrical current is passed through an electrolyte to induce chemical changes.
What are differences between rapid and spontaneous combustion?
The spontaneous combustion flows very slowly and occur by self heating.
Why endothermic reactions cannot be spontaneous reactions?
Endothermic reactions require an input of energy to proceed, which means they do not occur spontaneously. Spontaneous reactions release energy to their surroundings, unlike endothermic reactions that absorb energy from the surroundings. Therefore, endothermic reactions cannot be spontaneous as they need an external energy source to drive the reaction forward.
What reaction is the most spontaneous?
The most spontaneous reaction is typically a reaction that releases a large amount of energy in a short period of time, such as explosions or combustion reactions. These reactions occur quickly and without requiring an external force to initiate them.
What is the significance of delta G in chemical reactions?
The significance of delta G in chemical reactions is that it indicates whether a reaction is spontaneous or non-spontaneous. A negative delta G value means the reaction is spontaneous and can proceed on its own, while a positive delta G value means the reaction is non-spontaneous and requires external energy input to occur.
What is the difference between a reaction that happens spontaneously and a reaction that doesn't?
The difference can be clarified by entropy (the second rule of thermodynamics).The reaction is more spontaneous with higher entropy, for the reactions that occur spontaneously the entropy is higher than for the ones that do not.
What type of chemical reaction occurs spontaneously?
Spontaneous chemical reactions are those that release energy and result in a decrease in free energy. They typically involve exothermic reactions where the products are more stable than the reactants, leading to a natural tendency for the reaction to occur without the input of additional energy. Examples include combustion reactions and some types of oxidation-reduction reactions.
What is the relationship between exergonic reactions endergonic reactions and the use and regeneration of ATP?
Exergonic reactions release energy and are spontaneous, while endergonic reactions require energy input and are non-spontaneous. ATP is used to drive endergonic reactions by providing the necessary energy for them to occur. ATP is regenerated through exergonic reactions by capturing the energy released during these reactions.
What is the connection between spontaneous reactions and free energy?
Spontaneous reactions release free energy. If a reaction is spontaneous, it means that it can occur without outside intervention because the products are at a lower energy state than the reactants, and the excess energy is released as free energy. The change in free energy (ΔG) for a spontaneous reaction is negative.
The majority of spontaneous chemical reactions in nature are?
Exothermic, meaning they release energy in the form of heat or light. These reactions tend to occur spontaneously because they result in a decrease in the overall energy of the system.
What is the significance of the Gibbs free energy change (G) in chemical reactions and how does it relate to the spontaneity and equilibrium of a reaction?
The Gibbs free energy change (G) is important in chemical reactions because it indicates whether a reaction is spontaneous or not. If G is negative, the reaction is spontaneous and can proceed without external intervention. If G is positive, the reaction is non-spontaneous and requires external energy input to occur. At equilibrium, G is zero, meaning the forward and reverse reactions are occurring at equal rates.
In what kind of cell are the redox reactions made to occur by an externally applied electrical current?
Redox reactions can occur in electrolytic cells when an externally applied electrical current drives non-spontaneous redox reactions to proceed. This is a process used in electrolysis, where an electrical current is passed through an electrolyte to induce chemical changes.
What is true of spontaneous reactions when thinking about chemical systems?
Spontaneous reactions occur without needing external intervention to proceed, usually releasing energy in the process. These reactions tend to favor the formation of products and are generally driven by an increase in entropy. The direction of spontaneity can be determined by comparing the change in Gibbs free energy (ΔG) of the reaction to see if it is negative.
