11 public questions tagged with this topic.
Δ G = Δ H - TΔ S < 0, -150 - T(-0.5) < 0, 0.5T < 150, T < 300 K.
Ref: NCERT Class 11 Chemistry > Chapter 5: Thermodynamics > Topic: Gibbs Energy and Gibbs Energy Change and Equilibrium
Δ G° = -RT ln K = -8.314 × 298 × ln(2 × 10⁶) = -2477.6 × 14.509 = -35962 J/mol = -35.96 kJ/mol.
Ref: NCERT Class 11 Chemistry > Chapter 5: Thermodynamics > Topic: Gibbs Energy and Gibbs Energy Change and Equilibrium
Δ G = 0 at equilibrium, Δ H - TΔ S = 0, -200 × 10³ - T(-250) = 0, T = 200000 / 250 = 800 K. Spontaneous below 800 K.
Ref: NCERT Class 11 Chemistry > Chapter 5: Thermodynamics > Topic: Gibbs Energy and Gibbs Energy Change and Equilibrium
For a spontaneous process at constant T and P, the Gibbs free energy must decrease (Δ G < 0), as it determines spontaneity under these conditions.
Ref: NCERT Class 11 Chemistry > Chapter 5: Thermodynamics > Topic: Gibbs Energy and Gibbs Energy Change and Equilibrium
ΔG = ΔH - TΔS correctly identifies the graphical representation, mathematical relationship, or plot parameter described in this question. In Kinetics and Thermodynamic, graphical analysis transforms complex kinetic or biological data into linear relationships that allow precise determination of key parameters. The specific feature described by ΔG = ΔH - TΔS is derived from the mathematical transformation of the underlying equation and has a defined physical meaning. The other options (ΔG = ΔH + TΔS, ΔG = ΔS - TΔH, and ΔG = ΔU - PΔV) represent different parameters, intercepts, or
Ref: Campbell Biology, Urry et al., 12th Ed.
Never spontaneous is the scientifically accurate answer to this question. Within the study of Thermodynamics, this concept is well-established through extensive research and is documented in standard scientific literature. The specific properties, mechanisms, or characteristics of Never spontaneous directly address what is being asked. Among the other options, Always spontaneous, Spontaneous at high temperatures, and Spontaneous at low temperatures do not correctly answer this question because they either refer to different concepts, describe properties of other molecules or processes, or repr
Ref: Lehninger Principles of Biochemistry, Nelson & Cox, 8th Ed., Ch. 1
Gibbs free energy is the accurate answer because it correctly identifies the biological function or role described in this question. In Thermodynamics, understanding the specific functions of molecules, enzymes, or structures is fundamental. Gibbs free energy fulfills this particular biological role through its specific structural properties, biochemical activity, or physiological mechanism. The other options (Enthalpy, Entropy, and Internal energy) serve different biological functions or are associated with other processes, pathways, or structural roles within the cell or organism.
Ref: Lehninger Principles of Biochemistry, Nelson & Cox, 8th Ed., Ch. 1
Negative is the scientifically accurate answer to this question. Within the study of Thermodynamics, this concept is well-established through extensive research and is documented in standard scientific literature. The specific properties, mechanisms, or characteristics of Negative directly address what is being asked. Among the other options, Zero, Positive, and Greater than enthalpy do not correctly answer this question because they either refer to different concepts, describe properties of other molecules or processes, or represent common misconceptions about this topic.
Ref: Lehninger Principles of Biochemistry, Nelson & Cox, 8th Ed., Ch. 1
ΔG is negative is the scientifically accurate answer to this question. Within the study of Bioenergetics, this concept is well-established through extensive research and is documented in standard scientific literature. The specific properties, mechanisms, or characteristics of ΔG is negative directly address what is being asked. Among the other options, ΔG is positive, ΔG is zero, and Reaction requires external energy input do not correctly answer this question because they either refer to different concepts, describe properties of other molecules or processes, or represent common misconce
Ref: Campbell Biology, Urry et al., 12th Ed.
The feasibility of a reaction is the scientifically accurate answer to this question. Within the study of Bioenergetics, this concept is well-established through extensive research and is documented in standard scientific literature. The specific properties, mechanisms, or characteristics of The feasibility of a reaction directly address what is being asked. Among the other options, The rate of a reaction, The enthalpy of a reaction, and The entropy of a reaction do not correctly answer this question because they either refer to different concepts, describe properties of other molecules or pro
Ref: Campbell Biology, Urry et al., 12th Ed.
