he organic compound n-hexane, C6H14, boils at 69.0°C. What is its molar heat of vaporization in kilojoules per mole if its vapor pressure at 20°C is 131  torr?

Q: Calculate the total amount of energy (in kJ) necessary to raise the temperature of 2.00 L of ethanol…

A: Ethanol (Liquid) at 18 oC ---> Ethanol (liquid) at 78.3 oC ---> Ethanol (vapor) at 78.3 oC…

Q: how much energy (in kcal) is required to convert 122.2 g of benzene (c6h6) from a liquid to a gas,…

A:

Q: A refrigerator cools by evaporating liquefied dichlorodifluoromethane, CCl2F2. How many kilograms of…

A: The mass of water is 525 g and the molar mass of water is 18.02 g/mol. Using the relation between…

Q: Calculate the heat change in joules for freezing 235 gg of water at 0 ∘C∘C.

A: Given that 235 g of water has to freeze at zero degree Celsius.The enthalpy of fusion for water is…

Q: What is the enthalpy change in kJ when 276.6 g of steam condenses into water at 100. °C? The…

A: Given: Mass = 276.6 g Enthalpy of vaporization = 45.6 kJ/mol

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: How much heat is required to convert 49.5 g of ethanol at − 153 ∘C to the vapor phase at 78 ∘C?…

A: The question is based on the concept of Hess's law.   It states that the net enthalpy change during…

Q: H2O has a ΔHvap = 40.8 kJ/mol and a ΔHfus = 6.02 kJ/mol. The specific heat capacity of ice is 2.11…

A: The amount of heat absorbed to elevate the temperature of ice (Q1) at -42oC to 0oC is equal to…

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: water boils at higher temperature under higher pressure (pure substance

A: This is multiple questions. According to Guidelines, in multiple questions, we can only solve the…

Q: An instant pot pressure cooker has become popular in recent years. Given that the enthalpy of…

A: ∆Hvap of water = 40.67 kJ/mol Boiling conditions of water are T1 = 373.15 K (100˚C) and P1 = 1 atm…

Q: How much heat (in kJ mol–1 to two decimal places) is required to vaporize 2.5 moles of benzene…

A:

Q: A student prepared a graph based on the vapor pressure of a liquid over a range of temperatures. The…

A: Given: y=-1941x + 10.6 To find: Heat of vaporization

Q: A 26.2-mL sample of benzene at 26.1°C was cooled to its melting point, 5.5 °C, and then frozen at…

A: Write the formula to calculate the heat change due to the change in temperature. H=ms∆t Where H is…

Q: How long would it take for 1.50 molmol of water at 100.0 ∘C∘C to be converted completely into steam…

A: Enthalpy of vaporization of water (delta Hvap) = 40650 J/mol Given,  Moles of water heated = 1.50…

Q: A 0.547 g0.547 g sample of steam at 104.3 °C104.3 °C is condensed into a container with 4.82 g4.82 g…

A: The mixing of steam and water involves the loss of heat energy by steam which will be gained by…

Q: how many joules of heat are required to heat 25.0 g of ethyl alcohol from the prevailing room…

A: Given, mass of ethyl alcohol is 25.0g, initial temperature is 22.50C, final temperature is 78.50C.…

Q: If it requires 70.4 kJ of heat to boil 1.60 moles of water, what is its enthalpy of vaporization?

A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and…

Q: Sulfur dioxide is produced in enormous amounts for sulfuric acid production. It melts at −73.0°C and…

A: The number of moles of sulphur dioxide is calculated as,

Q: An instant pot pressure cooker has become popular in recent years.  Given that the enthalpy of…

A: Given data set: Atmospheric pressure (P1) = 1 atm The pressure inside instant pot cooker (P2) = 3.38…

Q: Based on the thermodynamic properties provided for water, determine the amount of energy needed for…

A: Given that : Mass of water (m) = 2.60 kg Initial temperature = -3.00°C Final temperature = 61.0°C

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

A:

Q: The enthalpy of vaporization of CO2(l) is 9.8 kJ/mol. Would you expect the enthalpy of vaporization…

A: Enthalpy of vaporization is the heat required by the liquid or solid to vaporize. This heat does not…

Q: 578,070 J of heat is required to raise the temperature of 15.0 moles of liquid methanol, CH3OH, from…

A:

Q: A 0.532 g0.532 g sample of steam at 106.4 °C106.4 °C is condensed into a container with 5.60 g5.60 g…

A: Given- Mass of steam = 0.532 g Mass of water = 5.60 g Initial temperature of steam = 106.4 °C…

Q: A liquid at 20.0 °C exhibits a vapor pressure of 0.555 atm. The liquid is heated to 60.0 °C. What is…

A: Clausius Clapeyron equation is Where P1 is vapour pressure at temperature T1 P2 is vapour pressure…

Q: What is the resulting temperature when 100 g of water at 75°C is mixed with 30 g of ice at 0 °C?…

A: Mass of water =Mw = 100 g Temperature of water Tw = 75°C Specific heat of water =cw =  4.184 J/g°C…

Q: How much heat, in joules and in calories, must be added to a 89.1 g chromium block with a specific…

A: The relationship between the amount of heat of a substance and mass, specific heat, and change in…

Q: A liquid has a ΔH°(vaporization) of 33.3 kJ/mol and a boiling point of 125°C at 1 atm. What is its…

A: Vapor pressure is a thermodynamic equilibrium with its concentration at temperature is a closed…

Q: Calculate the heat required to bring 10.0 g CCl2F2 from -29.8 °C as a liquid to the gas phase at…

A: It is given that 10 g of CCl2F2 is at -29.8°C initially that is its boiling point and is change into…

Q: A 22.5-g sample of ice at 0.0°C is added to 100.0 g of warm water at 35.0°C, and the final…

A:

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

A: Given data mass of water = 0.450 kg Initial temperature of water : T1=103°C Final temperature of…

Q: Given that a 10.0g sample of ice at 0.0 degrees celsius melts and then the resultant water proceeds…

A: Note: As per our code, we are allowed to answer only the first question when a collection of…

Q: If 31.5 g of LiBr are dissolved 350.0 g of water at 20.0 °C in an insulated container, a temperature…

A:

Q: Calculate the heat required to bring 10.0 g CCl2F2 from -29.8°C as a liquid to the gas phase at…

A: Heat is the type of energy that is exchanged between various temperature environments or objects…

Q: The enthalpy for boiling water is 40.7 kJ/mol. What is the quantity of heat (in kJ) required to boil…

A: The question is based on the concept of chemical thermodynamics. we have to calculate how much heat…