(a) Why is the heat of fusion (ΔHբᵤₛ) of a substance smallerthan its heat of vaporization (ΔHᵥₐₚ)?(b) Why is the heat of sublimation (ΔHₛᵤ₆ₗ) of a substancegreater than its ΔHᵥₐₚ?(c) At a given temperature and pressure, how does the magni-tude of the heat of vaporization of a substance compare with thatof its heat of condensation?

Q: p.101edu.co Question 27 of 30 What amount of heat (in kJ) is required to convert 27.5 g of an…

A: Given Mass of unknown solid = 27.5 g T1 = -5°C T2 = 52.3°C

Q: Compound Z has a heat of vaporization of 155.9 J/g, a specific heat capacity of 2.08 J/gºC, and…

A: Given, Boiling point = 72.1 °c □Hvap = 155.9 J/g C(l) =  2.08 J/g-°c Mass of. Z(m) = 562.4 g

Q: A piece of solid lead weighing 45.2 g at a temperature of 317 °C is placed in 452 g of liquid leadat…

A: First, the heat required to melt 45.2 grams of lead is calculated as follows,

Q: A substance has a triple point at -24.5 °C and 225 mmHg. What is most likely to happen to a solid…

A: Phase diagram combine plots of pressure versus temperature for the liquid-gas, solid-liquid,…

Q: Two students measure the vapor pressure of the same unknown organic liquid and compare results. The…

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Q: Liquid cyclohexanone (C6H100) has a normal boiling point of 155 °C and liquid cyclopentanone (C5H8O)…

A: As we know, Higher the boiling point,  more stronger is intermolecular interaction between molecules…

Q: cry 8°F Clear X app.101edu.co Substance CsHs (9) O: (g) CO₂ (g) H₂O (g) b Answered: Ice cubes at 0°C…

A: A combustion reaction refers to a reaction in which a fuel reacts with an oxidizing agent to release…

Q: calculate the quantity of energy in kj required to change 73.92 grams of liquid water at 38.8…

A: The liquid water is heated to raise the temperature from 38.8 to 100 degree Celsius. Then conversion…

Q: How much heat is required to evaporate 100.0g of liquid ammonia, NH3, at its boiling point if it's…

A: When a liquid converts into a vapor state it absorbs heat. The amount of heat absorbed when one mole…

Q: A 36.0 g sample of liquid water at 100.0oC is heated to 145.0 oC.   How much heat does the water…

A:

Q: The boiling point of liquid E is 30.5 °C at 1 atm (760.0 torr). Its vapor pressure at -25.5 °C is…

A: It is an application of  Clasius Clapyeron equation  Here we are required to find enthalpy of…

Q: (a) Why is the heat of fusion (ΔHfus) of a substance smaller than its heat of vaporization…

A: The energy required for one unit of a solid to melt without changing its temperature is known as…

Q: What amount of heat (in kJ) is required to convert 19.3 g of an unknown liquid (MM = 67.44 g/mol) at…

A: Here , heat is used in three steps , 1)  in rising of temperature of liquid till boiling point. 2)…

Q: How many grams of ice can the amount of heat required to raise the temperature of 3.50 moles of…

A: Given data,Moles of water=3.50moles∆T=50.0oC∆Hm=6.01kJ/mol

Q: At 100.000C, the Vm of vapor water is 30.20 L/mol and that of liquid water is 0.0188 L/mol. (a)…

A: Given: Molar volume of vapor= 30.2 L/mol Molar volume of liquid water = 0.0188 L/mol Boiling point,…

Q: What information about water is needed to calculate theenthalpy change for converting 1 mol H2O(g)…

A: Since for the above process we first need to convert H2O (g) to H2O (l) and than cool it to  80 °C…

Q: Acetone, (CH3)2CO, is a colorless and highly flammable liquid commonly used as a solvent in the…

A:

Q: how much energy must be absorbed or released as heat to change 87.0 g of liquid propanone at 25.00°C…

A: The solution is as follows:

Q: The AHvap of xenon is 12.57 kJ · mol- and its ASvan is 76.15 J . mol¬1 . K-!. What it the boiling…

A: The ∆Hvap. of xenon is 12.57 kJ mol-1 and its ∆Svap. is 76.15 J/mol K What it the boiling point of…

Q: how many moles of water are present if 53.3 kJ of heat are required to melt a sample of ice at 0°C?…

A: • The melting of ice can be represented as,                  H2O(s) → H2O(l)    • The values…

Q: Suppose that 117.2 J of heat energy is required to completely vaporize 4.3 g of a pure liquid. If…

A:

Q: In an experiment, 10.0 g of ice at -20°C is converted into steam with a temperature of 110°C. How…

A: Given mass of water ice, m = 10.0gThe energy required in each process which will take place during…

Q: How much heat is released ( in J) when 54.0 g of water at 10.0 °C is cooled to form ice at - 10.0…

A: Given the mass of water, m = 54.0 g  The initial state is water at 10.0 oC.  The final state is ice…

Q: The normal boiling point of mercury at one bar pressure (Hg) is 356.7 ℃. At what temperature (in ℃)…

A:

Q: Use the phase diagram for methane, CH4, shown in Figure11.30 to answer the following questions. (a)…

A: Since you have posted a question with multiple sub-parts, we will solve first three subpartsfor you.…

Q: The heat capacity, Cp, of liquid carbon disulfide is a relatively constant 78 J/(mol K). However,…

A: Solution In this question we use Third Law of Thermodynamics it tells us that as T → 0 K, S → 0.…

Q: he organic compound n-hexane, C6H14, boils at 69.0°C. What is its molar heat of vaporization in…

A: We have to calculate the molar heat of vaporization.

Q: What amount of heat (in kJ) is required to convert 12.2 g of an unknown liquid (MM = 83.21 g/mol) at…

A: We have to calculate the total heat required.

Q: Based on the data below, what mass of propane must be burned to supply the heat required to vaporize…

A: Enthalpy of vaporization (∆Hvap) :-  The enthalpy change involved when one mole of a liquid undergo…

Q: How much energy is required to vaporize 188 g of butane (C 4H 10) at its boiling point, if its ΔH…

A:

Q: What does not correspond to the molar heat of fusion? O AHfus O the heat absorbed by one mole of a…

A:

Q: Naphthalene, better known as “mothballs,” has bp=218∘C and ΔHvap=43.3kJ/mol. What is the entropy of…

A:

Q: What amount of heat (in kJ) is required to convert 29.3 g of an unknown solid (MM = 67.44 g/mol) at…

A: When a certain amount of heat is added to a system, the temperature associated with that system is…

Q: The AHvap of a certain compound is 34.40 kJ · mol-1 and its ASyap is 60.47 J · mol-! . K-1. What is…

A:

Q: Calculate the energy required to melt 1.50 kg of benzene at 5.5 degrees Celceius (the normal…

A: The amount of heat required for a solid substance to melt at its melting point is known as the heat…