1. How many triple points are there? 2. What is the most stable form of sulphur under normal conditions? 3. Describe what happens when sulphur at 1 atm is heated from 80 decrees Celsius to 200 decrees Celsius.

Q: The molar volume of a solid is 142 cm3/mol at 1 atm and 427 K which is its melting temperature. The…

A: Given that: Melting temperature at 1 atm = 427 K Molar volume of solid at 427 K = 142 cm3/mol Molar…

Q: Thermodynamics of polymerization determines the position of the equilibrium between polymer and…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 3) The vapor pressure of mercury at various temperatures has been determined as follows: T/K P/ mmHg…

A: Here we have to calculate ∆vapH for mercury-

Q: The ∆G° of vaporization for cyclohexane at 298 K and 1.00 atm is -0.2164 kJ/mol. Calculate the…

A: Given that:                   Temperature for the process = 298 K                               ∆G°…

Q: QI: (A) Calculate the.concentration of vacancies in copper at room témperalüre What temperature will…

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Q: uestion 7 Use the phase diagram below to state what would be observed when a sample of carbon…

A: The detailed solution of your question given below--  We should see the graph at 210K and 1 atm.

Q: Table 1. Thermodynamic data for carbon allotropes A,H° / kJ mol¯1 AfS°/ J K-1 mol-1 Graphite -393.5…

A: Given

Q: For liquid with the typical values a= 0.04 K, K= 0.002 atm1, Vm= 73 cm/mol, C,m 103 J/mol.K.…

A: To find  molar specific heat capacity at constant volume (Cv, m)  by using the given information.

Q: Consider the data below for the reaction H2O (l) = H2O (g). Plot a graph and determine deltaH and…

A: T (degree Celsius)                            P (torr) 0.0 4.579 10.0 9.209 20.0 17.53 25.0…

Q: 7.2 A normal boiling point of Zn(l) is 1181K. At this temperature △Hvap is 114,440 (J/mol) and molar…

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Q: Write a balanced chemical equation for the reaction.Na2CO3Na2CO3 and AgNO3AgNO3 Express your answer…

A: Chemical equation is the representation of a chemical reaction, in which the reactants and products…

Q: Determine the equilibrium vapor pressure of germanium metal at 326.0 °C. The standard enthalpy of…

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Q: Which of the statements describe limitations or safety concerns of this interactive? O The…

A: The statement that describes limitation is  "The interactive assumes that the temperature of a solid…

Q: The ∆G° of vaporization for butane at 298 K and 1.00 atm is -2.125 kJ/mol. Calculate the pressure of…

A: The equilibrium is Butane(l)↔Butane(g)

Q: Binary phase diagram of an aluminum – silicon mixture Data: Tmelt(Al) = 660 °C Tmelt(Si) = 1412 °C…

A:

Q: Which of the following statements is true regarding the process of mixing of two ideal gases A and…

A: Entropy is a measure of the randomness of the system. The entropy of a mixture of gases is always…

Q: 2) The normal boiling point of benzene is 80.1 °C and the heat of evaporation (AH°vap) is 30.7…

A:

Q: Determine

A: When Ammonium nitrate NH4NO3 added into Water than ionic bond between cation and anion broken by…

Q: A quantity of methyl acetate is placed in an open, transparent, three-liter flask and boiled long…

A: The effect of pressure and temperature is measured by Boyle’s law and Charles's law respectively.…

Q: Graphite, an allotrope of carbon, is converted into cubic diamond through a process that may take a…

A: We know, The activation energy refers to the minimum energy that reactants must possess before they…

Q: is often interpreted as a measure of the disorder or randomness of a system. It is a representation…

A: Fill in the blank

Q: At a steelworks, molten iron is heated to1500° Celsius to remove impurities. It is most accurate to…

A: Correct answer is : (v) all three of these. Molten iron contains a large amount of (i)…

Q: Use the phase rule to discuss the form of the phase diagram of sulfur, which has two solid phases,…

A: The phase diagram is a graphical portrayal of the actual conditions of a substance under various…

Q: 9. (1.5') Experiments in AFM requires the use of clean metallic surfaces for substrates. A simple…

A: Hydrocarbons are generally non polar in nature . They are hydrophobic means they tends to remain…

Q: Obtain the melting point and boiling point for benzene and ammonia from ahandbook and answer the…

A: a. The melting point of benzene is 5.5°C. The temperature of an ice-salt water bath is less than the…

Q: The vapor pressure of methanol at 25°C is 123 Torr and its enthalpy of vaporization is 35.3 kJ/mol.…

A: Clausius-Clapeyron equation: This equation relates to the change in pressure with respect to change…

Q: The melting point of ice decreases as pressure increases. Use the pressure dependence of chemical…

A:

Q: The following is a table of water vapor pressure in millibar (mbar) vs Temp in oC.  In your own…

A: We are given the vapor pressure of water (in mbar) at different temperature values in increasing…

Q: Determine the percentage of vacancies in copper at 800 0C

A: Vacancy is a defect in which an atom is missing from the lattice sites. The energy required to form…

Q: Using the following data for the borax thermodynamics lab, calculate the Ksp of the borax solution,…

A: The relationship between free energy (ΔG), enthalpy (ΔH), entropy (ΔS) and the equilibriumconstant…

Q: At a particular temperature, the vapour pressure of acetone is 0.2482 bar. Suppose the temperature…

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Q: Calculate ΔG at 298 K for a mixture of 1.0 atm N2, 3.0 atm H2, and 0.50 atm NH3 being used in the…

A: Given reaction,        N2(g) + 3 H2(g)⇌ 2 NH3(g)

Q: One statement is not true for the physical transition from H20(s) to H20() at constant pressure. А.…

A: when the ice consumes (heat) energy, which allows a transition to occur, melting ice is an…

Q: 1. crystallization are there in 0.2 mole of sodium sulphate Na, SO.. 10H,0? (A) 0.2 (B) 2 (C) S (D)…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Hello, good day! May I ask for help in solving this following problem: At 20 degrees C, the vapor…

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Q: What are the standard conditions for ?Hf for solids, liquids, and solutions , i.e. What temperature,…

A: The standard enthalpy of formation (ΔHf°) is the enthalpy change when exactly 1 mol of a compound is…

Q: ) For the phase change Br2(1) → Br2 (g), AH°= +31.0 kJ/mol and AS°= +92.9 J/mol.K. Assuming that AH°…

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Q: The enthalpy of the fusion of metal Cesium is 13.5 kJ/mol at the melting point of 28.5 oC. Calculate…

A: Since the relationship between the entropy change of fusion process (i.e solid to liquid conversion…

Q: An iron ore sample contains Fe; O, together with other substances. Reaction of the ore with CO…

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Q: How much energy must be removed from a 125 g sample of benzene (molar mass = 78.11 g/mol) at 425.0 K…

A: Total heat released = 67.67kJ.  Negative sign show release of energy.

Q: In a binary mixture, the density of ethanol is 0.7880 g cm-3 at 20.00C. Its equilibrium vapor…

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Q: what is the ideal condition for re-crystallization? what are the factors to consider? explain

A: Following are the ideal conditions for recrystallization.

Q: Using ståndard the thermodynamic properties shown below estimate the normal boiling point of carbon…

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Q: Vapor pressure of water at 80c is 0.4675. Calculate in KPa

A: Answer :- 46.19 in KPa

Q: The equilibrium vapor pressure of liquid hydrogen at 16 K is 0.213 bar. The standard (1 bar) boiling…

A: