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The contributions of both heat (enthalpy) and randomness (entropy) shall be considered to the overall spontaneity of a process. When deciding about the spontaneity of a chemical reaction or other process, we define a quantity called the Gibb's energy change (ΔG).
ΔG = ΔH – TΔS
where,        ΔH = Enthalpy change ; ΔS = Entropy change;
                  T = Temperature in kelvin.
If ΔG < 0, Process is spontaneous ; ΔG = 0, Process is at equilibrium, AG > 0, Process is non-spontaneous.
5 mol of liquid water is compressed from 1 bar to 10 bar at constant temperature. Change in Gibb's energy (ΔG) in Joule is t [Density of water = 1000 kg/m3].                       
  • a)
    18                                                        
  • b)
    225                                                                  
  • c)
    450                                          
  • d)
       900
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
The contributions of both heat (enthalpy) and randomness (entropy) sha...
Δ G = V (P2 - P1) = 5 × 18 × 10-6 (101 - 1) × 105 Joule = 5 × 18 × 10-1 × 102 = 900 Joule.
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The contributions of both heat (enthalpy) and randomness (entropy) shall be considered to the overall spontaneity of a process. When deciding about the spontaneity of a chemical reaction or other process, we define a quantity called the Gibb's energy change (ΔG).ΔG = ΔH – TΔSwhere,ΔH = Enthalpy change ; ΔS = Entropy change;T = Temperature in kelvin.If Δ G < 0, Process is spontaneous ; Δ G = 0, Process is at equilibrium, AG > 0, Process is non-spontaneous.5 mol of liquid water is compressed from 1 bar to 10 bar at constant temperature. Change in Gibb's energy(ΔG) in Joule is t [Density of water = 1000 kg/m3].a)18b)225c)450d) 900Correct answer is option 'D'. Can you explain this answer?
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The contributions of both heat (enthalpy) and randomness (entropy) shall be considered to the overall spontaneity of a process. When deciding about the spontaneity of a chemical reaction or other process, we define a quantity called the Gibb's energy change (ΔG).ΔG = ΔH – TΔSwhere,ΔH = Enthalpy change ; ΔS = Entropy change;T = Temperature in kelvin.If Δ G < 0, Process is spontaneous ; Δ G = 0, Process is at equilibrium, AG > 0, Process is non-spontaneous.5 mol of liquid water is compressed from 1 bar to 10 bar at constant temperature. Change in Gibb's energy(ΔG) in Joule is t [Density of water = 1000 kg/m3].a)18b)225c)450d) 900Correct answer is option 'D'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about The contributions of both heat (enthalpy) and randomness (entropy) shall be considered to the overall spontaneity of a process. When deciding about the spontaneity of a chemical reaction or other process, we define a quantity called the Gibb's energy change (ΔG).ΔG = ΔH – TΔSwhere,ΔH = Enthalpy change ; ΔS = Entropy change;T = Temperature in kelvin.If Δ G < 0, Process is spontaneous ; Δ G = 0, Process is at equilibrium, AG > 0, Process is non-spontaneous.5 mol of liquid water is compressed from 1 bar to 10 bar at constant temperature. Change in Gibb's energy(ΔG) in Joule is t [Density of water = 1000 kg/m3].a)18b)225c)450d) 900Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The contributions of both heat (enthalpy) and randomness (entropy) shall be considered to the overall spontaneity of a process. When deciding about the spontaneity of a chemical reaction or other process, we define a quantity called the Gibb's energy change (ΔG).ΔG = ΔH – TΔSwhere,ΔH = Enthalpy change ; ΔS = Entropy change;T = Temperature in kelvin.If Δ G < 0, Process is spontaneous ; Δ G = 0, Process is at equilibrium, AG > 0, Process is non-spontaneous.5 mol of liquid water is compressed from 1 bar to 10 bar at constant temperature. Change in Gibb's energy(ΔG) in Joule is t [Density of water = 1000 kg/m3].a)18b)225c)450d) 900Correct answer is option 'D'. Can you explain this answer?.
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