What amount of heat, in kJ, would be involved in condensing 19.1 g of CH-ОН? (ДНvaр %3D 38.0 kJ/mol)

Q: If an 4.7 g piece of water ice at -15C has 582 calories (enough to liquify it) added to it what…

A: Consider the given information is as follows; Mass of water ice = 4.7 g Amount of heat (Q) = 528…

Q: 18) Ethyl chloride, C2H5C1, is used as a local anesthetic. It works by cooling tissue as it…

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Q: Calculate the heat, in kJ, that would be involved in condensing 18.5 g of CH3OH. (AHvap = 38.0…

A:

Q: What amount of heat, in kJ, would be involved in condensing 11.2 g of CH₃OH? (∆Hvap = 38.0 kJ/mol)

A: Weight=11.2g ∆Hvap=38.0kJ/mol Molar mass of CH3OH=32.04gm/mole

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Q: How much heat is required to vaporize 25.3 gg of water at 100 ∘C∘C? (ΔHvap(H2O)=40.7kJ/mol)

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A: The initial temperature of diethyl ether is 20 oC  and final temperature is 136 oC. The boiling…

Q: The enthalpy for boiling water is 40.7 kJ/mol. How much heat (in kJ) is required to boil 304.1 g of

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

Q: What amount of heat, in kJ, is required to vaporize 115.0 g of ethanol (C2H5OH)? (Hvap = 43.3…

A:

Q: How much energy is released when 34.8 g of water freezes? The heat of fusion for water is 6.02…

A: The Given data- The mass of water = 34.8 g. The heat of fusion = 6.02 kJ/mol. to determine = The…

Q: What amount of heat, in kJ would be involved in condensing 18.8 g of CH₃OH (ΔHvap = 1.21 kJ/g)

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Q: Determine the amount of heat required to convert 65.25 g of solid Ca at 651°C into liquid Ca at…

A: Answer :

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

A: When heat is given to water, the temperature of water will increase.this increase in temperature is…

Q: You have a 4 kg block of ice at 0 °C. a) How much heat is required to melt this block of ice? b)…

A: Given that, The mass of the ice block is m = 4 kg. The temperature is T = 0°C = 273 K. We have to…

Q: What amount of heat, in kJ, would be involved in condensing 22.8 g of CH₃OH? (∆Hvap = 38.0 kJ/mol)

A: Given: The mass of CH3OH, (m)= 22.8 g The molar mass of CH3OH, (M)= 32.04 g/mol. The number of moles…

Q: How much heat will 325.0 g H2O at 15.0 oC absorb if the temperature in increased to 90.0 oC? The…

A: Solution

Q: 32. How much heat (in kJ) is absorbed in the process of making 0.813 mol of CF₄ from the following…

A: The answer to both the questions are given as:

Q: A 0.186 mol sample of liquid propanol (60.09 g/mol) is heated from 24.4°C to 324.9°C. The boiling…

A: Answer: Heating of liquid propanol is a 3 step process: 1. Heating of liquid propanol up to its…

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: Calculate the heat, in kJ, that would be involved in condensing 14.3 g of CH₃OH. (∆Hvap = 38.0…

A: The objective of this question is to calculate the heat involved in condensing a given amount of…

Q: The heat of fusion of pure silicon is 43.5 kJ/mol. How much energy would be needed to melt a 5.24-g…

A: Mass of silicon= 5.24g MOLAR mass = 28g/mol Mole= mass÷molar mass=  5.24÷28= 0.18mole 1 mole Si…

Q: Consider the following selected properties of water: Density (liquid water): d = 1.00 g/mL Heat of…

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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: What amount of heat, in kJ, would be involved in condensing 23.1 g of CH₃OH? (∆Hvap = 38.0 kJ/mol)

A: Given, The amount of heat, in kJ, would be involved in condensing 23.1 g of CH₃OH? (∆Hvap = 38.0…

Q: What amount of heat (in kJ) is required to convert 26.6 g of an unknown solid (MM = 92.14 g/mol) at…

A: Given : Initial temperature of solid = -115oC Final temperature of solid = 32.3 oC Mass of solid =…

Q: What amount of heat, in kJ, would be involved in condensing 15.3 g of CH₃OH? (∆Hvap = 38.0 kJ/mol)…

A: The Enthalpy of vaporization (∆Hvap) and the Enthalpy of condensation (∆Hcond) both are equal and…

Q: The heat of vaporization for ethanol is 0.826 kJ/g0.826 kJ/g. Calculate the heat energy in joules…

A:

Q: What amount of heat, in kJ, would be involved in condensing 18.0 g of CH₃OH? (∆Hvap = 38.0 kJ/mol)

A:

Q: Four liquids are described in the table below. Use the second column of the table to explain the…

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Q: A 45.0 g chunk of ice at -12°C absorbs 12.0 kJ of heat. How many grams of ice melt? sp heat of ice…

A: Ice is at -12°C and it can not melt at this temprature For ice to melt temperature should be 0°C…

Q: Which amount of heat in kJ is required to vaporize 146.20g of ethanol C2H5OH.

A: Number of moles = mass/molar mass  Molar mass of ethanol is 46.07 g/mol

Q: Calculate the amount of heat needed to melt 2.00x10 g (35.81 mol) of iron at its melting point…

A: Given ,  Moles of iron =35.81 mol  Melting point of iron =1809 k  ∆H(fus) =13.80 kj/mol We have to…

Q: . How much heat must be removed from 15.5 g of water at 90.0°C to cool it to 43.2

A: q=m.c.∆T q= heat  m=mass C.=heat capacity ∆T= difference in temperature

Q: What amount of heat, in kJ, would be involved in condensing 12.0 g of CH₃OH? (∆Hvap = 38.0 kJ/mol)

A: What amount of heat, in kJ, would be involved in condensing 12.0 g of CH₃OH?

Q: The following graph shows the heating curve for methane, CH4. 140 AHvap= 8.2 KSmol 130 100 "A A…

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Q: Calculate the energy required to convert all 35 g of ice at -27 C to water at 76 oC. Possible…

A: We have to calculate the heat needed to convert 35 g ice at -27°C to water at 76°C

Q: Can someone help me like explain how to do these I keep getting them wrong please?   1.)Answer the…

A: Heat of vaporization : It is defined as the amount of heat energy required to turn 1g of a liquid…

Q: Which of the following processes would absorb the most amount of heat energy (for 1 g of H20)? a)…

A: Fusion: It is process of conversion of solid into liquid state Condensation: It is process of…

Q: What amount of heat, in kJ, would be involved in condensing 17.6 g of CH₃OH? (∆Hvap = 38.0 kJ/mol)

A:

Q: The melting point of calcium is 851 C, it's solid-state specific heat (Csolid) is 0.632 J/gC, and…

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Q: How much heat energy must be removed from 1.2 g of lead (specific heat = 0.128 J/g ºC) to cool it…

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Q: how much heat is needed to boil 63 g of ethanol if the latent heat of vaporization of ethanol is 838…

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Q: What amount of heat, in kJ, would be involved in condensing 12.8 g of CH₃OH? (∆Hvap = 38.0 kJ/mol)

A: Mass of CH3OH = 12.8 gm  Molar mass of CH3OH = 32 gm/mole  Number of moles of CH3OH = 12.8/32 = 0.40…

Q: How much heat is required to vaporize 35.8 gg of water at 100 ∘C∘C? (ΔHvap(H2O)=40.7kJ/mol

A: The amount of energy required to vaporize water to vapor is defined as latent heat of vaporization.…

Group 14 Elements

The following elements come under group 14 of the periodic table.