Which of the following describes a process that is always spontaneous? Select all that apply. AS surroundings <0 AG 0 AG 0 endothermic reaction. AS system > 0 exothermic reaction ASuniverse 0 AS universe > 0

Q: Read the descriptions of physical or chemical changes in the table below. Then decide whether the…

A: Spontaneity is predicted by change is gibbs energy, if change in gibbs energy is negative then the…

Q: For the reaction 2co(g) + 2NO(g)→2C02(g) + N2(g) AH° = -746.6 kJ and AS° = -198.0 J/K The maximum…

A: The maximum amount of work that can be extracted from a reaction is given by Gibbs free energy.

Q: Without doing any calculations, match the following thermodynamic properties with their appropriate…

A: This question is related to chemical thermodynamics. Endothermic reactions are those involving…

Q: For a particular reaction at 236.0 °C, AG=-848.32 kJ, and A.S= 648.46 J/K. Calculate AG for this…

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Q: Calculate (in kJ/mol) the standard Gibbs free energy change (AG°rxn) for the oxidation of sulfur…

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Q: If a reaction occurs very slowly and is endothermic then it cannot be spontaneous. True or false?

A: Spontanious reaction means the ability of the reaction to procede to right right i.e. towards the…

Q: First Law of thermodynamics I. Calculate AU for each of the following cases & identify if the…

A: Exothermic reaction :-        In a reaction the amount of heat released then the reaction is known…

Q: For a particular reaction at 124.1 "C, AG = -201.43 kJ, and AS = 334.55 J/K. Calculate AG for this…

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Q: Given that: ΔHof [NO2(g)] = +34.0 kJ mol−1 ΔHof [NO(g)] = +90.0 kJ mol−1 What is the standard…

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Q: For a particular reaction at 129.6 °C, AG=-1176.45 kJ, and AS = 607.74 J/K. Calculate AG for this…

A: at  for the reaction = ?

Q: Use the following reference reactions to determine ΔH for the reactions given below. P + 3/2Cl2 →…

A: Given  Reaction   P + 32Cl2   →  PCl3                ∆H = -146.2 KJ/mol                 ( Equation 1…

Q: Read the descriptions of physical or chemical changes in the table below. Then decide whether the…

A: Thermodynamics is branch of chemistry in which we deal with amount of heat evolved or absorbed by…

Q: For a particular reaction at 196.8 °C, AG = -1266.45 kJ, and AS = 529.15 J/K. Calculate AG for this…

A: ∆G = ∆H - T∆S

Q: For a particular reaction at 166.5 °C, AG = -376.61 kJ, and AS = 144.83 J/K. Calculate AG for this…

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Q: Change An exothermic chemical reaction between a solid and a liquid results in gaseous products. A…

A: Answer: Spontaneity of the reaction can be decided on the basis of the value of Gibbs free energy…

Q: Which of the following chemical equations is the formation reaction of NH4Cl(s)? Click here for the…

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Q: For a particular reaction at 240.4 °C, AG = -486.75 kJ, and AS = 284.22 J/K. Calculate AG for this…

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Q: If a chemical reaction is exothermic, but not spontaneous, which of the following must be true? AG v…

A: Here, we have to assign the sign of all thermodynamic properties.

Q: Sodium hydroxide (39.9971 g/mol) reacts with excess H2SO4 in a constant-pressure calorimeter. The…

A: Given ∆T = 29°CMass of reaction mixture = M = 120 gSpecific heat of solution = Cs = 4.184 J/g°CHeat…

Q: Calculate the temperature when ΔS(universe) equals to 0 for the following reaction: 2H2(g) + O2(g) →…

A: Given,  ∆U = -564 kJ/mol I (work) = 7.5 kJ ∆S= 0  Reaction : 2H2(g) + O2(g) → 2H2O(l)

Q: Read the descriptions of physical or chemical changes in the table below. Then decide whether the…

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Q: Consider the equilibrium reaction of CO (g) with H2 (g) to form CH3OH (g). For this reaction, ΔH <…

A: The reaction of CO with H2 forms methanol CH3OH. Write the complete reaction. COg+2H2g→CH3OHg

Q: For the reaction: ZnO(s) → Zn(s) + O₂ (g) AH +111.00kJ and AS = +153.01 J/K. Is there a temperature…

A: Equilibrium temperature of the reaction is to be determined.

Q: Above what temperature (in Kelvin) does the following reaction become nonspontaneous?   FeO(s) +…

A: if ΔH and ΔS are both negative , so spontaneous at low temperature , non spontaneous at high temp.…

Q: Which of the following statements define the third law of thermodynamics? O Process that requires…

A: The statement which defines the third law of thermodynamics is to be explained.     Third law of…

Q: Read the descriptions of physical or chemical changes in the table below. Then decide whether the…

A: A reaction is said to be spontaneous if change in Gibbs free energy is negative  ΔG = ΔH - T ΔS…

Q: For a particular reaction at 115.0 °C, AG = -431.59 kJ, and AS = 897.61 J/K. Calculate AG for this…

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Q: Without doing any calculations, match the following thermodynamic properties with their appropriate…

A: ∆S universe=0  ∆Grxn.  negative at higher temperatures, positive at lower temperatures

Q: Without doing any calculations, match the following thermodynamic properties with their appropriate…

A: for the given endothermic reaction, N2(g) + 2O2(g) →2NO2(g)

Q: Calculate the standard change in Gibbs free energy for the combination reaction of sulfur dioxide…

A: Gibb's free energy can be calculated by a general formula-  ΔG = ΔH - TΔS

Q: Without doing any calculations, match the following thermodynamic properties with their appropriate…

A: The given endothermic reaction is : 2N2(g)+O2(g)→2N2O(g)

Q: Read the descriptions of physical or chemical changes in the table below. Then decide whether the…

A: This question is based on physical properties of compounds. We have to discuss about the spontaneous…

Q: The reaction 4AI (s) + 302 (g)→ 2 Al203 (s) AH° = -3351 kJ wwww. is and therefore heat is by the…

A: An exothermic reaction is reaction for which the overall standard enthalpy change is negative (…

Q: Without doing any calculations, match the following thermodynamic properties with their appropriate…

A: Spontaneity of reaction is governed by its associated enthalpy change, entropy change and absolute…

Q: For a particular reaction at 127.9 °C, AG = -342.08 kJ, and AS = 324.01 J/K. Calculate AG for this…

A: Given , intial temperature , Gibbs free energy and entropy .

Q: In a coffee-cup calorimeter, 0.800 g of ammonium nitrate is mixed with 37.5g of water at an initial…

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Q: Read the descriptions of physical or chemical changes in the table below. Then decide whether the…

A: Thermodynamics is branch of chemistry in which we deal with amount of heat evolved or absorbed by…

Q: Using the ΔHo for the reaction calculate the increase in temperature of the resultant salt solution…

A: Recall the given reaction as follows     HClaq + NaOHaq → NaClaq + H2Ol  , ∆Ho=-55.9 kJ/mol Here…

Q: For a particular reaction at 141.7 °C, AG = -1301.54 kJ, and AS = 238.14 J/K. Calculate AG for this…

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