Choose the correct statement about Gibbs free energy.   Question 10 options:     If ΔH < 0 and ΔS> 0, ΔG will always be positive.     If ΔH < 0 and ΔS> 0, ΔG will always be negative.   If ΔH > 0 and ΔS> 0, ΔG will always be negative.

Q: Which of the following is NOT true for ΔGrxn? A) If ΔG°rxn > 0, the reaction is spontaneous in the…

A: given that  delta G &gt; 0

Q: ΔG = ΔH - T ΔS is the equation for the Gibbs free energy of reaction for a chemical process. If the…

A: The reaction that leads to the formation of the products under the reaction conditions is termed as…

Q: A spontaneous process usually involves an increase in temperature (an exothermic reaction), yet when…

A: Solution- The reaction is favorable when it causes an enthalpy decrease and an increase in system…

Q: What is the main reason why ΔG or change in free energy is important for determining the spontaneity…

A: ∆G° is the Gibbs free energy which tells about the spontaneity of the reaction.  If ∆G° = +ve…

Q: Use Hess's law to calculate ΔG°rxn using the following information.               NO(g) + O(g) →…

A: The first thing to do is to change the bottom three reactions to make it look like the top reaction.…

Q: Which statement is true for the freezing of liquid water at -3 degrees Celsius? a. ΔH is positive;…

A: According to the second law of thermodynamics, the spontaneous nature of the reaction is determined…

Q: 77. For the reaction SbCls(g) AG (SbCls)=-334.34 kJ/mol SbCl3(g) + Cl2(g), AG°f (SbC13)=-301.25…

A: The objective of this question is to calculate the equilibrium constant (Kp) for the given reaction…

Q: Which of the following changes will always be true for a spontaneous reaction?  +ΔG  –ΔG  +ΔS…

A: The spontaneous reaction means the reaction which occur without intervenation at given set of…

Q: For a particular reaction at 225.9 °C, Δ?=−1076.67 kJ/mol , and Δ?=785.08 J/(mol⋅K) . Calculate ΔG…

A: T = 225.9 °C = 498.9 K ΔG = -1076.67 kJ/mol ΔS = 785.08 J/(mol⋅K) = 0.78508 kJ/(mol⋅K) ΔG at -22.8…

Q: Which of the following processes are spontaneous and which are nonspontaneous:dissolution of sugar…

A: A Spontaneous Process can be defined as a process which has the tendency to proceed with its…

Q: Determine AG for the following reaction: CO₂(g) + 2H₂O(1) CH4(g) + 202(g) Substance AG(kJ/mol)…

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Q: Which of the following processes produces an increase in entropy in the system? Group of answer…

A: The objective of the question is to identify the process that results in an increase in entropy in…

Q: Predict the sign of ΔG for the following reaction conditions without using specific numbers:…

A: When the change occurs in the system, surroundings, and universe then automatically the value of…

Q: What are the signs of ΔH,ΔS,ΔG when CO2 (dry ice) sublimes to a gas at room temperature and 1 atm…

A: Given A Dry ice sublimes to a gas at room temperature and 1 atm pressure. The temperature of dry ice…

Q: AG =

A:

Q: What would be the ΔE (in kJ) for the following reaction if 6.300 moles of H2O were decomposed? 2 H2O…

A:

Q: Consider the equilibrium: 2NO2(g)  &lt;--&gt; N2O4(g). Calculate the equilibrium constant for the…

A: The relationship between standard free energy change ΔGo and equilibrium constant.       ΔG=ΔGo…

Q: How is the magnitude of K related to the sign of ΔH ?

A: K is equilibrium constant of a particular reaction while ΔH  is change in enthalpy of reaction. For…

Q: For a certain reaction, ΔH = -35.4 kJ/mol and ΔS = -85.5 J/K mol. Is this reaction endothermic or…

A:

Q: For a particular reaction at 206.1 °C, AG = -1146.96 kJ/mol, and AS = 998.08 J/(mol · K). Calculate…

A: In this question we have to tell the value of delta G at -104.8°C .

Q: G=ΔG°+RT·lnQ. Which of the following does NOT describe the meaning or behavior of ΔG°? a) It can…

A: ΔG° (Gibbs free energy change under standard conditions) is a measure of the maximum useful work…

Q: If a reaction has a ΔG˚ of 0, what does that mean about the reaction?     The reaction will be at…

A: Given Statement  If a reaction has a ΔG˚ of 0, what does that mean about the reaction   ΔG represent…

Q: What is the value of ΔG when ΔH = -24 kJ and  ΔS = -44 J/K at 283 K?

A:

Q: What is the equilibrium constant for a reaction that has a ΔGrxn of -13.9 kJ at a temperature of…

A:

Q: Are the values of ΔHvap and ΔSvap for boiling water going to be positive or negative? Explain if…

A: Given statement is :  Are the values of ΔHvap and ΔSvap for boiling water going to be positive or…

Q: 3) Phosphorous and chlorine gases combine to produce phosphorous trichloride: P2(g) + 3C12(g) =…

A:

Q: Using only the data given below, determine ΔG⁰ for the following reaction: NO(g) + O(g) → NO₂(g)…

A:

Q: Define the concept of Equilibrium Constant and Free Energy Changes ?

A: Thermodynamics is a branch of chemistry that deals with the motion of heat. State functions like…

Q: Arrange the following in order of increasing entropy, from smallest to largest value. 1.00 g Br2…

A: Entropy is a measure of randomness.  Entropy is high for gases and negligible or low for solids.

Q: 1. A piece of hot metal (400 K) is place inside a beaker of cold water (285 K). Which of the…

A: Given that The temperature of the metal piece = 400 K The temperature of the cold water in beaker…

Q: Identify the change in phyical state that is a decrease in entropy.   water boiling   ice melting…

A: Entropy is the measurement of randomness of any substance, if randomness decreases entropy…

Q: for this reaction: H2O(g) →  H2O(l) → (gets hot, s

A: When water changes its states from gas to liquid there is a change in states of water from gaseous…

Q: Consider the following reaction   AgBr(s) → Ag+(aq) + Br−(aq), ΔGo = +69.1 kJ   Calculate ΔG for the…

A: The relation between ∆G and ∆Go is  given by: ∆G = ∆Go + RT lnQ Where, R = universal gas constant,…

Q: Which must be true for a chemical reaction as the temperature approaches 0K? A) ΔrH approaches zero…

A: Since the relationship between ΔG, ΔH and ΔS is given by  ΔG = ΔH - T ΔS

Q: Octane 1C8H182 is a liquid hydrocarbon at room temperature that is a constituent of gasoline.…

A: We have the equation ∆G°=∆H°-T∆S° Where ∆H° is change in enthalpy, ∆G° is change in free energy, T…

Q: Arrange the following in order of increasing entropy, from smallest to largest value.  1.00 g Br2…

A: entropy is the randomness or disorderness in the system. entropy of gas&gt;liquid&gt;solid i.e. we…

Q: If a reaction is exothermic and has a negative ΔS, what should you do to the temperature in order to…

A: We know that, ∆G=∆H-T∆S Where,∆G=Gibbs free energy ∆S=Entropy T=Temperature in Kelvin ∆H= Enthalpy…

Q: Consider the following reaction:                                     CaF2 (s) + H2SO4 (l)  →   2 HF…

A: Since the relationship between ΔGfo ,  ΔG and the reaction quotient is given by   ΔG = ΔGfo +…

Q: Consider the reaction: CaCO3(s) ↔ CaO(s) + CO2(g) The reaction enthalpy and entropy are: ΔHo rx =…

A: The expression of thermodynamic equation is shown below: where; T = temperature R = gas constant K…

Q: The ionization constant for water is 1.14*10-15 at 0 oC and 9.60*10-14 at 60.0 oC. i) Calculate the…

A: A reaction is said to be spontaneous if its Gibbs free energy is negative. We can calculate the…

Q: Which of the following conditions are true for the freezing of water below 0ºC?   A ΔH > 0; ΔS 0;…

A: In this question, we will see the sign of ∆H, ∆S and ∆G when water is freezes below 0°C  You can see…

Q: Calculate ΔG for the following equation: 6Cl2(g) + 2Fe2O3(s) -> 4FeCl3 (s) + 3O2 (g)

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Q: Predict the signs of ΔH and ΔS for the freezing of water at -10 oC

A: Given  Process : Freezing of water  Sign of ∆H and ∆S = ?

Q: alculate ΔGmix for the following mixtures at 298 K and 1.00 atm,, assuming these gases behave as…

A: The importance of Gibbs energy is that it gives information about the spontaneity of the reaction or…

Q: Arrange the following in order of increasing entropy, from smallest to largest value. 1.00 g Br2…

A: Entropy is the degree of randomness.

Q: What is the equilibrium constant for a reaction that has a ΔGrxn of -11.1 kJ at a temperature of…

A:

Q: For which of the following reactions is ΔS° a positive value?

A: