Consider what happens when a sample of the explosiveTNT is detonated under atmospheric pressure. (a) Is thedetonation a reversible process? (b) What is the sign of qfor this process? (c) Is w positive, negative, or zero for theprocess?

Q: If the AH = 273 kJ/mol and AS = 109 J/K mol for a nonspontaneous reaction, at what temperature does…

A:

Q: In which of the following processes is AS° negative? A. C,H3 (g) → C,,H3 (s) В. Н.О (s) —> Н,0 () C.…

A: Thermodynamics is the branch of chemistry which deals with the study of heat and other forms of…

Q: Two different gases occupy the two bulbs shown here.Consider the process that occurs when the…

A: EXPLANATION: part a) The final (equilibrium) state:

Q: Predict whefther the entropy change is greater than or less than zero for each oft the following…

A: Entropy is a thermodynamics quantity. It is associated with a state of disorder, randomness, or…

Q: a Predict the sign of ASqur for the following processes. H20(s) → H20(t) OASsur is negative OASsur…

A:

Q: Calculate ΔGo for the process C(diamond) C(graphite) Is the formation of graphite from diamond…

A: Calculate ΔGo for the process conversion of C(diamond) into C(graphite). ΔGo is the Gibbs free…

Q: The air bags that provide protection in automobiles in theevent of an accident expand because of a…

A: The air bags that provides protection in the automoblies during the aciidents is a sponataneous and…

Q: 20. What are the signs of AH and AS for a reaction that is spontaneous at any temperature? O A) AH…

A: For a reaction to be spontaneous, the Gibbs free energy value (ΔG) for the reaction should be…

Q: Assuming AH and AS are constant with respect to temperature, under what conditions will a chemical…

A: SOLUTION: Step 1: The Gibbs free energy can be expressed by the expression: ΔG = ΔH – T ΔS For a…

Q: Given the following information, calculate the free energy change (AG) at the temperature indicated…

A:

Q: If AH is positive and AS is negative for a reaction, then the reaction is O nonspontaneous at low…

A: For a reaction to be spontaneous ∆G should be negative . We know that  ∆G = ∆H-T∆S

Q: The crystalline hydrate Cd(NO3)2 .4H2O(s) loses waterwhen placed in a large, closed, dry vessel at…

A: a) The process is spontaneous at room temperature. The standard enthalpy change for the reaction is…

Q: Find ΔS for melting 5.0 g of ice at 0 °C and 1 atm (heat of fusion of water is 79.7 cal/g).  Is this…

A: Given:  Mass of ice= 5.0 g Temperature = 0°C = 273 K Pressure = 1 atm Heat of fusion of water = 79.7…

Q: 5) Find the molar entropy of vaporization (in J/(K-mol)) for a certain substance given that to…

A:

Q: Which of the following statement(s) are true for the reaction I2 (g) 21 (g)? (1) AS is positive (ii)…

A: Dissociation of iodine takes place at high temperature which means this is a endothermic reaction.…

Q: In a particular spontaneous process, the number of microstates available to the system decreases.…

A: The statement given is "In a particular spontaneous process, the number of microstates available to…

Q: Consider the following reaction:   SO3(g) + CaO(s) ⇌ CaSO4(s).   If ΔG0 is −345 kJ/mol for this…

A: we have balanced chemical equation SO3(g) + CAO(s)  <==> CaSO4(s) and given data  ∆G° =…

Q: . Consider the following reaction at constant pressure. Use the information here to determine the…

A:

Q: (a) Using the heat of vaporization in Appendix B, calculatethe entropy change for the vaporization…

A: a) First calculate the entropy change of the given process at 25oC Given, The temperature of the…

Q: (a) Predict the sign of AS with explanation for each process. (i) H2O (g)→H2O (1) (ii) Solid carbon…

A: Entropy represent degree of randomness or measurement of randomness. It is an extensive properties…

Q: c) Caco, (s, calcite) + 2 Ha (g) > Cada (s) • CO: () + H:0 (1) irst, predict the sign of AS the sign…

A: Given: The chemical reaction is, CaOs+2HClg→CaCl2s+CO2g+H2Ol......(1) The standard molar entropy of…

Q: a At 100.°C and 1.00 atm, AH° = 40.6 kJ/mol for the vaporization of water. Estimate AG° for the…

A:

Q: Ammonium nitrate dissolves spontaneously and endothermallyin water at room temperature. What can you…

A: If NH4NO3 dissolves spontaneously in water,

Q: Steam is condensed at 100 ‰, and the water is cooled to 0 ‰and frozen to ice. What is the molar…

A: Entropy change is given by ∆S=∆H/T ,where ∆H is change in enthalpy and T is temperature.

Q: Which one of the following statements is false O AG7 of elements in their standard states is zero O…

A: A spontaneous  reaction always have negative Delta G for reaction.

Q: Given that for the melting of sodium chloride AHfusion = 28.16 kJ/mol and ASfusion = 26.22 J/(K·…

A: Given ΔHfus = 28.16 kJ/mol = 28160 J/mol ΔSfus = 26.22 J/(mol.K)

Q: Use the observations about each chemical reaction in the table below to decide the sign (positive or…

A: The reaction is spontaneous when – ΔG is negative ∆G = ∆H - T∆S

Q: If the AH = 287 kJ/mol and AS = 57 J/K mol for a nonspontaneous reaction, at what temperature does…

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

Q: Consider the figure below which shows AG" for a chemical process plotted against absolute…

A: The standard Gibbs free energy of reaction is the Gibbs free energy of a reaction calculated at the…

Q: Consider the following reaction at constant P. determine the value of deltaS of the surroundings at…

A: In this question, we want to determine the ∆Ssurr  You can see the details solution below.

Q: When 6.78 g of solid ammonium nitrate dissolves in 50.0 g of water at 18.9oC, the temperature of the…

A: Given:Specific heat of water = 4.18 J/g. oCMass of ring = 50 gMass of ammonium nitrate = 6.78…

Q: Which of the following is incorrect about entropy of a substance? O Slig > 0 Sgas = 0 O Sliquid >…

A: Entropy: It is the measure of disorder/randomness of a system. Order of entropy: Gas> liquid >…

Q: What is the molar entropy of pure oxygen gas at 25 °C? O Equal to zero O Less than zero Greater than…

A: According to third law of thermodynamics at absolute zero temperature entropy of pure crystalline…

Q: (a) What are the signs of ΔS and ΔH for the process depictedhere? (b) If energy can flow in and out…

A: Entropy(S) is a thermodynamic property which denotes the degree of disorder or randomness of the…

Q: 5 Predict the sign of AS for each of the following reactions. a. N2(g) + 3 H2(g) →2 NH3(g) b.…

A: ∆ng = (sum of gaseous moles of products) - (sum of gaseous moles of reactants)  If ∆ng comes out to…

Q: nsider a reaction that has a negative AH and a negative AS. Which of the following atements is TRUE?…

A: Here, in this question ∆H and ∆S both are negative value.  ∆H = -ve and ∆S = -ve  And reaction is…

Q: For a reaction that has ∆H of -30 kJ and ∆S of -62 J/K, estimate at what temperature will the…

A: ∆G = ∆H - T∆S…

Q: For the reaction, A + B C, AH° = -40 kJ, and AS° = +80 J/K. Which of the following statements is…

A: Given: ∆H°=-40 kJ ∆S°=+80 J/K

Q: Calculate AGO at 25°C, given the values of AHO = - 844 kJ/mol and -165 J/mol-K.wt a. AS° b. At what…

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

Q: The figure represents the spontaneous deposition of iodine in which iodine vapor, I2(g), becomes…

A:

Q: The total entropy change will determine whether a process is spontaneous (favours the forward…

A: Entropy :- It is thermodynamic quantity which refers to randomness or disorderness of system and…

Q: When AH is negative and AS is positive, the reaction is: ONever spontaneous OSpontaneous at low…

A: Detail solution is given below

Q: If AH = -50.0 kJ mol and AS = -0.400 kJ K¯1 mol1, the reaction is spontaneous below a certain…

A: As we know from the equation: ∆G = ∆H - T∆S if value of ∆G is less than zero (negative), the…

Q: Which of the following combinations of values for AH and AS for a given process, indicate that the…

A: The change in Gibbs free energy of a system can be expressed in terms of change in entropy and…

Q: (a) What sign for ΔS do you expect when the pressure on0.600 mol of an ideal gas at 350 K is…

A: The degree of uncertainty in a system is termed as its entropy.  Given: Moles of an ideal gas, n =…

Q: 2 ΔΗ for the vaporization of benzene is 31.0 kJ/mol, and the boiling point (at atm of pressure) is…

A: We have been given that

Q: For a certain process that occurs at constant T and P, the value of ∆G is positive. Is the process…

A: A spontaneous reaction is accompanied by decrease in enthalpy (negative ∆H) and increase in entropy…

Q: For a chemical reaction to be spontaneous at all temperatures, which of the following conditions…

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

Q: The accompanying diagram shows how entropy varieswith temperature for a substance that is a gas at…

A: Entropy is the measure of the randomness. More the randomness , more the entropy. Thus , entropy of…

Q: Which of the following represents a process that is always spontaneous? ASsys: negative ASsurr:…

A:

Q: Given that AH and AS for a reaction are both negative, the reaction will be O nonspontaneous at all…

A: Given that ΔH and ΔS for a reaction are both negative. Using, ΔG = ΔH - TΔS

Q: If AH is negative and AS is positive, the reaction is O nonspontaneous at all temperatures. O…

A: The relationship between Gibbs free energy, enthalpy, temperature, and entropy is expressed as,…

Q: Which one of the following statements is false O AG; of elements in their standard states is zero O…

A: Option a: ∆G° of element in their standard states is zero because standard standard is the most…