It is known that naphthalene, C10H8 melts at 80.2 0 If the vapor pressure of the liquid is 10 torr at 85.8 0C and 40 torr at 119.3oC, use the Clausius-Clapeyron equation to calculate:                                                                                        (a) The enthalpy of vaporization        (b) The normal boiling point (c) The entropy of vaporization at the normal boiling point

Q: Which change will result in an overall decrease of entropy? (A) CaCO:(s)→CAO(s) + CO:(g) (B)…

A: Which change will result in an overall decrease of entropy ?

Q: For the following reaction (the detonation of nitroglycerin), is it spontaneous under standard…

A: Given that : We have to identify whether the reaction for the detonation of nitroglycerin is…

Q: Choose the one that would be expected to have the higher standard molar entropy at 25C: A) CH3OH(g)…

A: Entropy measure the degree of disorderness of a system, disorderness increase entropy also increase…

Q: In which of the following processes does the entropy decrease? The dissolving of sodium chloride in…

A: In which of the following process entropy decreases :  a) The dissolving of sodium chloride in…

Q: Further predict the sign of change in entropy with proper explanation for the following cases.  (i)…

A: The extent of disturbance/randomness created by all molecules within a system is recognized as…

Q: Trichlorofluoromethane (CCl3F) boils at 296.95 K, and its molar heat of vaporization is 24.8 kJ/mol.…

A: The molar entropy of evaporation can be calculated by dividing the amount of vaporization of heat by…

Q: Which of the following is the best example of a positive change in entropy? O A) The mixing of two…

A: Entropy is the degree of randomness or disorder. If randomness increase then entropy will also…

Q: DSSUR…

A:

Q: Calculate the change in entropy for the conversion of 1.0 mol molecule X (solid) at -10.0 °C into…

A: The aim is to calculate the entropy for the given system Entropy is the measure of disorderliness or…

Q: Consider the reaction 6CO2(g) + 6H2O(l)C6H12O6 + 6O2(g) for which H° = 2.801×103 kJ and S° =…

A: The given reaction is, 6CO2(g) + 6H2O(l) → C6H12O6 + 6O2(g) Given that: H° = 2.801×103 kJ  S° =…

Q: 4. Which of the following statement(s) is/are correct? (i) All substances (elements or compounds)…

A: This question is related to the thermodynamics. Thermodynamics is the branch of chemistry that…

Q: The enthalpy of vaporization of methanol is 35.27 kJ moll at its normal boiling point of 64.1 °C.…

A:

Q: 3.) For each process, determine the sign of AS for the system: (a) decomposition of CaCO3(s) to give…

A: To solve this problem we have to determine the sign of ∆S  for the given system .

Q: For ammonia, the enthalpy of fusion is 4.65 kJ/mol and the entropy of fusion is 38.9 J/Kmol.…

A: Given that For ammonia, the enthalpy of fusion(∆H°) is 4.65 kJ/mol and the entropy of fusion(∆S°) is…

Q: How can you calculate the standard entropy change for a reaction from tables of standard entropies?

A: The standard entropy change for a reaction from tables of standard entropies can be calculated by…

Q: Consider the reaction Fe₂O3(s) + 2Al(s) Al2O3(s) + 2Fe(s) for which AH = -851.5 kJ and AS° = -37.00…

A: Given , Reaction : Fe2O3(s) +2Al(s)→Al2O3(s) +2Fe(s) ∆H°=-851.5 kJ∆S°=-37.00JKTemperature, T =…

Q: Calculate the boiling point of carbon tetrachloride if the standard entropy and enthalpy of…

A:

Q: What is the change in entropy when one mole of calcite (CaCO3) decomposes at 298.2 K to CaO(s) and…

A:

Q: Calculate how entropy of 100 g of water changes when it is heated(under reversible conditions)from…

A: Here, since 00C is given for temperature, I consider it as 0oC and 1000C as 100oC That is…

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: 3. True or false: the standard entropy of H₂(g) at 298.15 K is zero. (a) True (b) False

A: Standard entropy of a substance is the entropy of 1mole of the substance at standard conditions (…

Q: Predict the sign of the entropy change of the system foreach of the following reactions:(a) N2(g) +…

A: We will answer first three subparts at a time since you have not mentioned the exact subparts that…

Q: Indicate which of the following has the largest standard molar entropy (Sºᵒ). O NH3(1) O CH4(8) O…

A: Entropy is randomness.More the randomness, more the entropy.Randomness increases in this order:Solid…

Q: Consider the reaction of 8 mol H2(9) at 25°C and 1 atm with 8 mol Br2 (1) at the same temperature…

A: The given reaction is: ∆G˚f = -53.5 kJ/mol Calculation of maximum useful work: As the reactants…

Q: Consider the reaction H₂CO(g) + O₂(g)—CO₂(g) + H₂O(l) for which AH° = -563.3 kJ and AS° = -140.5 J/K…

A:

Q: A small dish containing 530 g of water isplaced outside for the birds. During the night the outside…

A: A small dish containing 510 g of water is placed outside for the bird. Surroundings absorb the heat…

Q: For an exothermic reaction with an enthalpy value of -10 Joules and an entropy of -5 Joules per…

A: Given that  The change in enthalpy, ∆H = -10 J The change in entropy, ∆S = -5 J/K The temperature at…

Q: The equilibrium boiling point of ethanol, CH3CH₂OH, is T = 78°C at P = 1.00 atm. What are the signs…

A: Explanation For non spontaneous process ΔG > 0 and ΔSuniv < 0 For  spontaneous process ΔG <…

Q: For each of the following series of pairs, indicate which one of the pairs has the greater quantity…

A: Entropy is a measure of randomness in the particles. (i) 3 mol of carbon dioxide gas at 30C, 1 atm,…

Q: Which statement concerning entropy is true? (A) The more microstates a system has, the higher the…

A: Entropy of a system can also be defined as the measure of disorder of system.

Q: I use dry ice (solid CO2 which is -78.5 ℃) in my lab to cool reactions. If I leave a chuck of dry…

A: The heat capacity of dye ice at 25.0 oC is 0.846 J/goC. The total required heat to sublimate and…

Q: Calculate the molar entropy of ammonia liquid at the normal boiling point. The enthalpy of…

A: The normal boiling of ammonia liquid is -33.34◦ C

Q: Using the given reactions and the given molar entropy of compounds, determine whether the reaction…

A:

Q: drug used to treat hypertension undergoes a decomposition reaction to give an insoluble product.…

A: Given :  ∆H = 54.1 kJ mol-1  Since , 1 kJ = 1000 J  => ∆H = 54.1 x 1000 = 54100 J mol-1 ∆S =…

Q: ion Consider the reaction CO₂(g) + H₂O(1)→ H₂CO(g) + O₂(g) for which AH° = 563.3 kJ and AS° = 140.5…

A: The question is based on the concept of chemical thermodynamics. we need to calculate entropy change…

Q: Consider the reaction 2H₂S(g) + 30₂(g) 2H₂O(g) + 2SO₂(g) Based upon the stoichiometry of the…

A: Here we are required to find the net entropy of the reaction

Q: Which process(es) listed below occur with an increase in entropy? (i) Water in the ocean warms up…

A: Entropy is a measure of the randomness of the molecules of a substance. For a spontaneous reaction…

Q: The sign of the entropy chance when a drop of food coloring diffuses throughout a glass of clear…

A: Entropy is the measure of Randomness . It is defined as the capacity of things to move from a highly…

Q: An organic compound CyHyO is a liquid at room temperature. The normal freezing point of this…

A: Given: Freezing point = -30°C = (-30+273) K = 243 K∆H fus = 4730 J/mol Since fusion is the reverse…

Q: (b) Further predict the sign of change in entropy with proper explanation for the following cases.…

A: Entropy is directly proportional to the randomness or disorder of the molecules And more is the…

Q: For the reaction Fe,O3(8) + 3H2(g)-2Fe(s) + 3H2O(g) AH° =98.8 kJ and AS° 142.5 J/K The equilibrium…

A:

Q: 3Fe,O3(s) + H2(g)→2Fe3O4(s) + Hz0(g) for which AH° = -6.000 kJ and AS° = 88.70 J/K at 298.15 K. (1)…

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Q: b) Further predict the sign of change in entropy with proper explanation for the following cases.…

A: Entropy is directly proportional to the randomness or disorder of the molecules And more is the…

Q: Consider the reaction Fe2O3(s) + 2Al(s) Al2O3(s) + 2Fe(s) for which AH° = -851.5 kJ and AS° = -37.00…

A: Given chemical reaction is:for which H° = -851.5 kJ and S° = -37.00 J/K at 298.15K.Calculate the…