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According to gibb's free energy equation GH-TS When is a reaction always spontaneous?
A reaction is always spontaneous when the change in Gibbs free energy (ΔG) is negative. This occurs when the enthalpy change (ΔH) is negative (exothermic reaction) and the entropy change (ΔS) is positive, particularly at all temperatures. Even if ΔH is positive, if ΔS is sufficiently large and positive, the reaction can still be spontaneous at high temperatures, as the term TΔS will outweigh ΔH.
How do you determine whether a reaction is spontaneous or non spontaneous?
The first of two factors that determine whether a reaction is spontaneous or non-spontaneous is entropy. The second is energy. For a reaction to be spontaneous, it must have both of these factors.
When is a reaction always spontaneous according to Gibbs free energy equation?
A reaction is always spontaneous when the change in Gibbs free energy (ΔG) is negative (ΔG < 0). This occurs when the system's enthalpy change (ΔH) is negative and the entropy change (ΔS) is positive, or when the temperature is sufficiently low to make the term TΔS (where T is temperature) less significant compared to ΔH. In summary, spontaneous reactions can be identified by a negative ΔG value, indicating that they can occur without external input.
When a chemical property is observed the identity of the substance of what changes?
Always :)
Will NFL increase roster size?
Once the regular season starts, the rosters are held to 53 players, 45 on the active roster and 8 on the practice squad.
Why does the entropy of the universe increase for spontaneous processes?
The entropy of the universe increases for spontaneous processes because the second law of thermodynamics states that in any spontaneous process, the overall entropy of a closed system will always increase over time. This is because the natural tendency of systems is to move towards a state of higher disorder and randomness, leading to an increase in entropy.
Is an exothermic reaction always spontaneous?
No, an exothermic reaction is not always spontaneous. The spontaneity of a reaction depends on factors such as temperature, pressure, and the entropy change of the system.
How do you keep your man sexually involved with you?
Be spontaneous! Always treat them as if he/she were the mistress.
A chemical reaction has a positive H value and a positive S value Under what conditions is the reaction spontaneous?
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.
Are chemical reactions always spontaneous when H is negative and S is negative?
No, when H and S are both negative, the reaction will only be spontaneous below a certain temperature
Is laughter always spontaneous?
Laughter can be both spontaneous and intentional. Spontaneous laughter often occurs in response to something funny or amusing, while intentional laughter is purposely done for social reasons or to convey enjoyment.
How do you say spontaneity in a sentence?
Spontaneous is a word that would be replaced by "random" today. It means to be "fresh", "off the wall", and rather joyful. It can also mean "instantaneous." "Ellen and Elizabeth fell into a spontaneous conversation about boys." "Spontaneous combustion is always a danger with heat and petroleum products." "Jane has a knack for finding spontaneous fun."
How to have a successful date?
It really depends on where you go. You either act normal, classy, or spontaneous! But ALWAYS be yourself!
Why properties prices always increase?
It is not always increasing.
What is principle of increase of entropy?
There is a rather abstract quantity, called "entropy", that increases in our universe. The mathematical formulation is rather complicated, but here are two alternative formulations:1) There are irreversible processes in the Universe.2) Useful energy is continuously converted into unusable energy. In the future, there will be less useful energy available.
Who is current president vice president vice president speaker of the house secretary of state?
President: Barrack Obama (always changes) Vice President: Joe Biden (always changes) Speaker of The House: John Boehner (always changes) Secretary of State: John Kerry (always changes)
Is the depth of a water table always the same?
No, it always changes
