How much heat is required to convert 47.0 g of ethanol at -142 °C to the vapor phase at 78 °C?

Q: a) Arrange the following according to increasing melting point. Explain. MgO CO; O2 H;O b) Explain…

A: a) Melting point is defined as the equilibrium temperature at which a solid converts into To predict…

Q: What amount of heat (in kJ), is required to convert 29.3 g of an unknown solid (MM = 83.21 g/mol) at…

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Q: (a) If 83.0 g of ice at 0.0oC is placed in 235mL of water at 28.0oC, find the final temperature of…

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Q: How much energy is absorbed or released when 23 g of carbon dioxide (Hfus =8.647 kJ/mol, Hvap =…

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Q: 15. Calorimetry a. How much heat needs to be taken from 0.5 kg of ethyl alcohol as a gas at its…

A: Q = mc∆T   Q = heat energy (Joules, J), m = mass of a substance (g)   c = specific heat (units…

Q: The Δ?vap of a certain compound is 24.93 kJ · mol−1 and its Δ?vap is 70.25 J · mol−1· K−1. What is…

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Q: What gas law states that pressure and temperature are directly proportional at constant volume and…

A: At constant volume and moles formula is   P1/T1 = P2/T2

Q: 3.) How much heat (J) is required to convert a 90.10 g sample of ice at –45.0°C into to water at…

A: First the compound must be taken to the O℃ then it should melt . In these two step heat is required…

Q: The specific heat of ice is 2.100 kJ/kg °C, the heat of fusion for ice at 0°C is 333.7 kJ/kg, the…

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Q: The specific heat of ice is 2.10 kJ/kg °C, the heat of fusion for ice at 0°C is 333.7 kJ/kg, the…

A: Heat loss by steam should be equal to heat gain by ice.  Heat change in same phase=ms∆T Heat change…

Q: 83. Solid iodine has a vapor pressure sublime into a 500 mL flask at this te constant temperature,…

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Q: The enthalpy of vaporization of Substance X is 17.0 -156. °C. Round your answer to 2 significant…

A: Here, we have to use the Clausius-Clapeyron equation to find the vapor pressure of X at . The…

Q: Based on the thermodynamic properties provided for water, determine the energy change when the…

A: Mass of water = 0.350 kg = 350 g Molar mass of water = 18 g/mol Moles of water = 350 g / 18 g/mol =…

Q: The specific heat of ice is 2.10 kJ/kg∙°C, the heat of fusion for ice at 0°C is 333.7 kJ/kg, the…

A: Given : Specific heat of ice = 2.10 KJ /Kg°c Heat of fusion for ice at 0°C  = 333.7 kJ/kg specific…

Q: An organic solvent with a molar mass of 56.45 g/mol have a normal boiling point of 45.0 °C and a…

A: According to the question we have, Mass of liquid is given by = 24.0 g Specific heat capacity of the…

Q: What will the final temperature be if you add 400 KJ of heat to 1.00 L of liquid water at 20°C? The…

A: The heat supplied to water is used for  (i) raising the temperature to 100oC (the boiling point)…

Q: The enthalpy of vaporization of Substance X is 18.0- and its normal boiling point is -93. °C.…

A: Step 1: Convert the initial and final temperatures from °C to Kelvin.Step 2: The relation between…

Q: How many grams of ethanol, C₂H₂OH, can be boiled with 324.1 kJ of heat energy? The molar heat of…

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Q: The vapor pressure of water is 22.6 atm at 101.7 K, and the vapor pressure of water is 68 atm at…

A: Given data is as follows: The vapor pressure P1 of water at temperature 101.7 K = 22.6 atm The vapor…

Q: Calculate the amount of heat energy in kJ, it takes to increase the temperature of 40.0 grams of…

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Q: The specific heat of mercury is 0.140 J/g°C. Calculate the heat necessary to raise the temperature…

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Q: Substance X is known to exist at 1 atm in the solid, liquid, or vapor phase, depending on the…

A: Given the melting point of the substance, X = 70. oC Given the heating of the substance X starts at…

Q: For water, specific heat values for the solid and liquid phase are 2.00 J/gC and 4.18 J/gC…

A: Introduction: Phase diagram is shows the relationship of physical states of a substance under…

Q: Use the thermodynamic data in the table below to calculate how much heat in kJ is required to change…

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Q: the vapor pressure of water at 25 C is 3.13 x 10^-2 atm, and the heat of vaporization of water is 25…

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Q: How much heat is required to convert 25g of ice at -6.0 ˚C to water vapor at 102 ˚C? (ΔHfus =…

A: We know that The specific heat equation is  Q = mC∆T And the heat of fusion/vaporization equation Q…

Q: A liquid has a ΔH°vapof 32.7 kJ/mol and a boiling point of 124°C at 1 atm. What is its vapor…

A: Given: Enthalpy of vaporization (ΔHvap) = 32.7 kJ/mol. Vapor pressure (P1) = 1 atm (normal boiling…

Q: Draw an energy diagram, for this phase change: NH3(l) → NH3(g).

A: An energy diagram is drawn by taking Energy on X-axis and Temperature on Y-axis. During phase…

Q: 22. The molar enthalpy of vaporization of an organic compound is 2kJ/mol, and its normal boiling…

A: The molar enthalpy of vaporization of an organic compound is, ∆Hv=2kJ/mol∆Hv=2000 J/mol The normal…

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: (a) Why is the heat of fusion (ΔHբᵤₛ) of a substance smallerthan its heat of vaporization…

A: a) Heat of fusion does not completely break the intermolecular bond, but rather making the bond…

Q: Calculate the amount of energy required to convert 6.23 moles of ice at -24.67 °C to water at 10.61…

A: Answer:-This question is answered by using the simple concept of calculation of heat energy during…

Q: A particular refrigerant cools by evaporating liquefied CCI 2F 2. How many kg of the liquid must be…

A: Given: Mass of water to be frozen = 525 g. Molar heat of fusion of ice = 6.01 KJ/mol. And molar heat…

Q: Liquid ammonia can be used as a refrigerant and heat transfer fluid. How much energy is required to…

A: Given: Liquid NH3: mass = 25.0 gramsTemperature = -76°C (initial temperature)Cp (liquid ammonia) =…

Q: What amount of heat (in KJ) is required to convert 25.6g of an unknown solid (MM =83.21g/mol) at…

A: Heat will be used in three processes,  1)   rising of temperature of solid till freezing point. 2)…

Q: ounds that are less harmful to the environment. The heat of vaporization of one such used as…

A: Since you have posted a question with multiple questions , we will provide the solution only to the…

Q: Calculate the total amount of heat needed to convert 22.50 g of solid carbon tetrachloride, CC14, at…

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Q: Calculate the heat released when 2.280 L O2 with a density of 1.11 g/L at 25°C reacts with an excesS…

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Q: Butane is a common fuel used in cigarette lighters and camping stoves. Normally supplied in metal…

A: Given, The vapor pressure of butane at 25.0°C is 2.30 atm. The vapor pressure of butane at 126.0 °C…

Q: Study the following phase diagram of Substance X. pressure (atm) A F B E H temperature (K) 0. Which…

A: A typical phase diagram includes one or more axes representing temperature, pressure, and…

Q: What is the heat of vaporization of CCI,?   CCI (1) CCL₂(g); Delta H^ o =?kJ/mol   Use standard…

A: Enthalpy of reaction is calculated by subtracting the enthalpy of product minus enthalpy of…

Q: What is the vapor pressure of Ag at 2365.8 K if its heat of vaporization and boiling point are…

A: boiling point = T1 = 2485.2 K We know that liquid boil at 1 atm pressure So, intial vapor pressure =…

Q: Based on the thermodynamic properties provided for water, determine the energy change when the…

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Q: Consider a sample of 3.21 g of water, which has an equilibrium vapor pressure of 23.8 mmHG at…

A: The objective of this question is to find out the mass of liquid water that will remain when…

Q: 2H2 +N2--> 2NH3 With around 70% of ammonia produced industrially being used to make fertilizers. The…

A: Answer:-This question is answered by using the simple concept of calculation of heat energy required…

Q: Calculate the heat energy released when 16.2 g16.2 g of liquid mercury at 25.00 °C is converted to…

A: Weight  of Hg = 16.2 g Initial temperature of mercury = 250 C

Q: The Δ?vap of a certain compound is 14.17 kJ·mol−1 and its Δ?vap is 93.89 J·mol−1·K−1. What is the…

A: The entropy change accompanying the change in phase from liquid phase to vapor phase is called the…