Gibbs Free Energy

Welcome to the Gibbs Free Energy category at Questions LLC! If you find yourself intrigued by the interplay between energy, temperature, and spontaneity in chemical and physical processes, you have come to the right place. This category is dedicated to answering your questions and providing insights into the fascinating world of Gibbs Free Energy. Whether you are a student exploring thermodynamics or a curious individual seeking a deeper understanding, our knowledgeable community is here to guide you through the concepts, applications, and calculations related to Gibbs Free Energy. So, dive in and unravel the mysteries of this fundamental thermodynamic concept!

Questions (88)

Calculate Delte G Knot for H20(g) + 1/2 O2 <-> H2O2(g) at 600. K, using the following data:H2(g) + O2(g) <-> H2O2 (g) K = 2.3 X
1. 5 answers
2. asked by Summer
3. 5,699 views
Calculate the Gibbs free energy change for the reaction below when initial concentrations of CR3+ and Cu2+ are 1 M (F= 96500 J/V
1. 4 answers
2. asked by audrey
3. 1,907 views
What is ΔG at body temperature (37.0° C) if the concentration of A is 1.7 M and the concentration of B is 0.50 M?
1. 7 answers
2. asked by amanda1012
3. 6,069 views
For a certain reaction, Kp = 3.54 at 325 C.Find delta G 598 K in kJ/mol.
1. 3 answers
2. asked by Anonymous
3. 713 views
Consider the decomposition of a metal oxide to its elements, where M represents a generic metal.M203(s)---> 2M(s) + 3/2 O2(g)
1. 10 answers
2. asked by Kelsey
3. 13,118 views
Calculate the standard Gibbs energy of the given reaction at 25°CCO(g) + half CO +CO2
1. 4 answers
2. asked by Lakydo Wepson
3. 76 views
What is Gibbs free energy?A. The energy lost as heat to the surrounding molecules B. The usable energy released or absorbed by a
1. 3 answers
2. asked by Morgan
3. 1,160 views
Consider the equilibrium A(g)=2B(g)+3C(g) at 25 degrees Celsius. When A is loaded into a cylinder at 10 atm and the system is
1. 2 answers
2. asked by Anonymous
3. 1,304 views
Given the informationA+B⟶2D ΔH∘=−764.7kJ ΔS∘=328.0 J/K C⟶D ΔH∘= 465.0 kJ ΔS∘= −188.0J/K calculate ΔG∘ at
1. 4 answers
2. asked by stacey
3. 1,354 views
For a gaseous reaction, standard conditions are 298 K and a partial pressure of 1 atm for all species. For the reaction2NO(g) +
1. 4 answers
2. asked by Janavi
3. 5,183 views
Use this reaction for this question:4NH3 (g) + 2O2 (g) 4NO (g) + 6H2 (g); H = -905 J. Which statement is true about the reaction
1. 4 answers
2. asked by Morgan
3. 2,212 views
The following reaction has a positive value of ΔG°.2H2O(g) → 2H2(g) + O2(g) Which of the following statements must be true?
1. 4 answers
2. asked by Ana
3. 4,135 views
2Al(s) + 3Pb2 ==> Al2Pb3So the question says using that equation, what is the standard free energy. Faraday’s J constant is
1. 4 answers
2. asked by luigi
3. 452 views
Which of the following is NOT true for ΔGrxn?A.) If ΔG°rxn > 0, the reaction is spontaneous in the forward direction. B.) If
1. 5 answers
2. asked by Emma
3. 4,502 views
For which of the reactions listed below will Gibbs free energy always be negative?A. An exothermic reaction that increases in
1. 5 answers
2. asked by Cortey
3. 4,758 views
H° = 565 kJ and S° = -11.1 J/KCalculate G° at 25°C for this reaction.
1. 3 answers
2. asked by Anonymous
3. 441 views
Calculate ΔG° for each of the reactions below in kJ.(a) Sn(s) and Pb2+(aq) (b) Cr(s) and Cu2+(aq)
1. 3 answers
2. asked by Jason
3. 1,501 views
Consider the following reaction:2NO(g)+O2(g)→2NO2(g) Estimate ΔG∘ for this reaction at each of the following temperatures
1. 4 answers
2. asked by Ashley
3. 4,289 views
Use the data given to calculate the value of delta G rxn for the reaction at 25C2C(graphite)+H2(g)--->C2H2(g) C H2 C2H2 S(J K^-1
1. 5 answers
2. asked by Liliy
3. 1,636 views
The delta G^o for a reaction :h2 (g) + i2 (g) = 2HI(g) Is 2.6 kj/moles. In one experiment the initial pressures are P h2 = 4.26
1. 3 answers
2. asked by Mary
3. 2,349 views
2CH3CH2CH2OH(l)+9O2(g)→6CO2(g)+8H2O(g)I have to find the delta G delta G of CH3CH2CH2OH(l)=−360.5 KJ/Mol delta G of O2(g)=0
1. 5 answers
2. asked by dave
3. 1,449 views
4. Calculate the Gibbs’ free energy change for the reactionMg(s) + H2O(g) → MgO(s) + H2(g) carried out at 100ºC given the
1. 3 answers
2. asked by John
3. 927 views
Given the following data, what is the value of delta Gf (in kJ) for N2O4 (g) at 25C.N2O4(g)-----2NO2(g) Keq= 0.144 delta Gf: ?
1. 3 answers
2. asked by Car
3. 1,279 views
1. Gibb's Free Energy isa. the spontaneous energy of a reaction *** b. the chemical energy that can be used for performing work
1. 4 answers
2. asked by chem help
3. 400 views
Change in Gibbs free energy is _____ related to interfacial energy and _____ related to radius of precipitate.directly,
1. 2 answers
2. asked by Nick
3. 516 views
What is the voltage and the Gibbs Free Energy for the following reaction? (Assume standard conditions)3Sn^2+ (aq) + 2Al (s) -->
1. 2 answers
2. asked by DAN
3. 584 views
Given the following information at 25C, calculate �G at 25 degrees Celsius2A(g) � B(g) ±£ 3C(g) Substance �Hf � (kJ/mol)
1. 4 answers
2. asked by nikk
3. 628 views
calculate late the Gibbs free energy, entropy and enthalpy of mixing when 500g of heptane is mixed with 500g oh hexane at 298K.
1. 2 answers
2. asked by pholisa
3. 585 views
What is Gibbs free energy?A. The energy lost as heat to the surrounding molecules B. The usable energy released or absorbed by a
1. 2 answers
2. asked by Morgan
3. 572 views
What is Gibbs free energy?A. The energy lost as heat to the surrounding molecules B. The usable energy released or absorbed by a
1. 4 answers
2. asked by Morgan
3. 789 views
You have a 100 mMoles of A in the 10 ml reaction mixture which contains buffer and enzyme. The reaction is allowed to reach
1. 1 answer
2. asked by Sarah
3. 415 views
A. The change in Gibbs free energy of ATP synthesis (acknowledging the body requires 46.3 kJ/mole) is..This reaction is
1. 2 answers
2. asked by Anonymous
3. 546 views
Calculate the deltaG0 for the oxidation of ethanol by NAD+. Urgent Thank You
1. 1 answer
2. asked by Tommy
3. 337 views
Determine ΔG in kJ at a temperature of 261 K given ΔHrxn = 91 kJ and ΔSrxn = 151 J/K.
1. 1 answer
2. asked by Ryan
3. 339 views
THE EQUILIBRIUM CONSTANT FOR A REACTION IS 2.48 AT 25 DEGREES CELSIUS. WHAT IS THE VALUE OF ΔG°(KJ)AT THIS TEMPERATURE?
1. 1 answer
2. asked by shanice
3. 398 views
THE EQUILIBRIUM CONSTANT FOR A REACTION IS 2.48 AT 25 DEGREES CELSIUS. WHAT IS THE VALUE OF ΔG°(KJ)AT THIS TEMPERATURE?
1. 1 answer
2. asked by KEVIN
3. 427 views
The eqm. Constant for a reaction is 2.48 at 25°C. what is the value of ΔG° (kJ) at this temperature? (R=8.314 J/k mol)
1. 1 answer
2. asked by Jalisa
3. 350 views
The eqm. Constant for a reaction is 2.48 at 25°C. what is the value of ΔG° (kJ) at this temperature? (R=8.314 J/k mol)
1. 1 answer
2. asked by Shanice
3. 385 views
A reaction A<-->B starts with equal concentration of A and B. AT equilibrium, there is twice as much B as A. What was the value
1. 1 answer
2. asked by Jennifer
3. 388 views
when a reaction A<-->B starts, there is three times as much product as reactant. When it reaches equilibrium, there is twice as
1. 2 answers
2. asked by Jennifer
3. 550 views
A reaction A<-->B starts with equal concentration of A and B. AT equilibrium, there is twice as much B as A. What was the value
1. 1 answer
2. asked by Jennifer
3. 391 views
The change in GIBBS free energy=(total energy change)-(volume change energy) -(entropy change)(temperature)=change in "useful"
1. 2 answers
2. asked by Alissa
3. 535 views
Consider the following reaction,A <===> B in a 1.00L container. At 1.77°C, the molar concentrations of A and B, respectively,
1. 1 answer
2. asked by Sarah H
3. 389 views
Find delta G knot for the following reaction:2Ch3OH(l) + 3O2(g) --> 2CO2(g) + 4H2O(g)
1. 4 answers
2. asked by Summer
3. 1,755 views
Consider the evaporation of methanol at 25.0 C:CH3OH(l)--->CH3OH(g) Delta G= 4.3 kJ Find Delta G at 25.0 C under the following
1. 3 answers
2. asked by Kyle
3. 1,502 views
Consider the following reaction:CaCO3(s)→CaO(s)+CO2(g). Estimate ΔG∘ for this reaction at each of the following
1. 4 answers
2. asked by Greg
3. 1,425 views
Estimate the temperature where Delta G = 0 for the following reaction (Given: Delta H=-176 and Delta S = -284.5 J/KNH3 + HCl -->
1. 3 answers
2. asked by ramire2
3. 1,390 views
At 25 °C, the equilibrium partial pressures for the following reaction were found to be PA = 6.30 atm, PB = 7.20 atm, PC = 6.40
1. 4 answers
2. asked by Katie
3. 1,280 views
Consider the decomposition of a metal oxide to its elements, where M represents a generic metal:M2O3 (s) <=> 2M (s) + 3/2 O2 (g)
1. 4 answers
2. asked by Miaow
3. 1,203 views
Consider the reaction 3CH4(g)= C3H8(g)+ 2H2(g).Calculate Delta G at 298 K if the reaction mixture consists of 40 atm of CH4 ,
1. 1 answer
2. asked by Anonymous
3. 1,150 views

Gibbs Free Energy

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