No they are of equal value
They are both of equal value
If a plus sign is missing before the 12, any value greater than or equal to 12.If a negative sign is missing before the 12, any value greater than or equal to -12.
yes
Yes it is. £1 is equal to 1€21
A reaction becomes spontaneous when the Gibbs free energy (G) is negative. The numerical value of this threshold varies depending on the specific reaction.
The value of Gibbs free energy (G) for a spontaneous reaction is negative, indicating that the reaction is thermodynamically favorable and can proceed without external intervention. This negative value indicates that the products are at a lower energy state than the reactants, driving the reaction forward.
The spontaneity of a reaction is determined by the sign of the Gibbs free energy (ΔG). If both enthalpy (H) and entropy (S) are positive, the reaction can be spontaneous at high temperatures where the TΔS term outweighs the positive ΔH term, resulting in a negative ΔG. This means the reaction will be spontaneous at elevated temperatures.
The reaction will be spontaneous at high temperatures (T) where TΔS > ΔH, according to Gibbs free energy equation, ΔG = ΔH - TΔS. At high enough temperatures, the TΔS term can outweigh the positive ΔH term, leading to a negative ΔG value and a spontaneous reaction.
When the value of G is negative in a chemical reaction, it indicates that the reaction is spontaneous and releases energy.
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.
It can be + or - depending on the value of the entropy (∆S). Recall, that ∆G = ∆H - T∆S and for a spontaneous reaction, ∆G must be negative, so you can see how this will depend on the values and signs of both enthalpy and entropy.
the negative value for a standard potential indicates that the reaction is not spontaneous.
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.
A negative Gibbs free-energy value indicates that a reaction is spontaneous, meaning it can proceed without requiring external energy input. It suggests that the products of the reaction are more stable than the reactants at the given conditions.
For a spontaneous reaction, the numerical value of the Gibbs free-energy change (ΔG) is negative, indicating that the reaction is energetically favorable and will proceed in the forward direction. This negative ΔG means that the system is releasing energy and increasing in entropy during the reaction.
A reaction is spontaneous if it occurs without any external intervention and leads to a decrease in Gibbs free energy. This is driven by the system's tendency to increase entropy and decrease in internal energy. Mathematically, a reaction is spontaneous if ΔG < 0 at constant temperature and pressure.