How much heat energy is required to melt 245.3 g of HBr? The molar heat of fusion of HBr is 2.41 kJ/mol. kJ

Q: The heat of vaporization of water is 40.66 kJ/mol. How much heat is absorbed when 2.02 g of water…

A: Given,  Heat of Vaporization of water, ∆Hvap = 40.66 kJ/mol  Mass of water, m = 2.02 g

Q: How much energy in calories is absorbed when 50.0 g of ice cubes melt? The heat of fusion of H 2O is…

A: Given, Mass of the ice is 50.0 g Heat of fusion of H2O, ∆Ho = 79.7 cal/g Formula Used, q = m. ∆Ho…

Q: How much heat is released when 450 grams of water at 22.3 °C freeze? The heat of fusion of water is…

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Q: From the data below, calculate the total heat (in J) needed to convert 25.00 g of ice at –8.00°C to…

A: Since we want to convert ice at -8 oC to liquid at 0.350 oC Hence the process will involve below…

Q: How much heat energy is required to melt 15.2 moles of ice? ΔHfusion= 6.01 kJ/mol

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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: The molar heat of fusion of benzene (C6H6) is 9.92 kJ/mol. Its molar heat of vaporization is 30.7…

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

Q: 120 grams of ethanol are cooled from 90.0°C to 73.4° C. What is the heat change (in Joules)?…

A: Given data : Mass of ethanol = 120 g Ethanol heat of vaporization  ΔH(vap) = 38.6 kJ/mol = 38600…

Q: energy in kJ

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Q: What quantity of heat would be required to melt 15 g of ice at 0°C? The heat of fusion of ice is 335…

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

Q: How much heat is required to melt 455.6 g of HBr? The mole heat of fusion of HBr is 2.41 kJ/mol  q=…

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Q: how much heat does it take to melt 76.5 g, heat of fusion is 49.0 cal/g heat of vaporization is 1212…

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Q: From the data below, calculate the total heat (in J) needed to convert 30.00 g of ice at −4.50°C to…

A: Given m.p. at 1 atm: 0.0°C   ΔH°fus : 6.02 kJ/mol c liquid:  4.184 J/g ·°C   csolid: 2.09…

Q: How much heat energy is required to melt 126.0 g of HBr? The molar heat of fusion of HBr is 2.41…

A: Given   mass of HBr = 126 gram  Molar Heat of Fusion    = 2.41 KJ/ mol  Energy required to melt 126…

Q: The heat of fusion of pure silicon is 43.4 kJ/mol. How much energy (kJ) would be needed to melt…

A: The amount of heat required to change 1 g of solid to liquid at the same temperature is known as…

Q: If a substance has an enthalpy of fusion of 150 J/mol, how much heat is required to melt 0.500 moles…

A: Enthalpy of Fusion is the enthalpy change that takes place or the heat absorbed when a phase of…

Q: How much energy is required to melt 135 grams of frozen ethanol? Ethanol heat of vaporization is…

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Q: How much heat is needed to melt 466 g of silver that is at 22.3 ºC?

A: Given that : Mass of Silver = 466g Initial temperature (T1) = 22.3°C Melting point of Silver (T2) =…

Q: How much heat is absorbed by 100mL of boiling water? The molar heat of vaporization of water is…

A: The heat of vaporization of water is 40.7 kJ/mol, which states that 40.7 kJ of heat will be absorbed…

Q: Heat of Fusion and Heat of Vaporization Worksheet Q= mH, Q= mH, Q= mH. Q = heat energy (3) m = mass…

A: #1: Initially, the ice is at 0.00 oC and we have to melt the ice and convert to water at 0.00 oC.…

Q: What mass (in grams) of CCl2F2 (heat vaporization = 289 J/g) must evaporate in order to freeze 237 g…

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Q: Calculate how much energy, in kJ, is required to melt a 25.00 g ice cube, that has an initial…

A: The melting point of the ice cube is 0o C. The total energy, required to melt the ice, is calculate…

Q: a. Calculate the heat required to melt 5.87 g of benzene at its normal melting point. Heat of fusion…

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Q: How much heat is needed to melt 2.5 grams of ice given that water has a heat of fusion of 6.0…

A: Sine we know that  Heat needed to melt ice = number of mole of ice × heat of fusion  So we will find…

Q: How much heat must be added to a 2-kg block of ice at -5°C to change it to water at 10°C? C of ice =…

A: Specific heat capacity of water: 4.184 J/(g oC) Specific heat capacity of ice: 2100 J/(kg oC) Latent…

Q: How much energy (in KJ) does it take to melt 25.0 grams of ice?  ^Hfus = 6.02 kJ/mol ^Hvap = 44.0…

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Q: Calculate the amount of heat needed to convert 35.05 g of liquid water at 100°C to a gas. The molar…

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Q: The heat of fusion of pure silicon is 43.4 kJ/mol. How much energy would be needed to melt a 5.24-g…

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Q: What quantity of heat (in kJ) would be required to convert 12.9 g of ice to water at 0.00°C? (∆Hfus…

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Q: From the data below, calculate the total heat (in J) needed to convert 15.00g of ice at −5.75°C to…

A: Determine heat released when temperature is increased from -5.75oC to 0oC ice:

Q: What is the total heat required to convert 5 moles of ice at 0 °C to liquid water at 0 °C given the…

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Q: How much heat must be added to a 2-kg block of ice at -5°C to change it to water at 10°C? C of water…

A: The mass of the water sample is = 2 kg = 2000 g The initial temperature of the water is = -5oC The…

Q: Vanadyl trichloride (VOCl3) is a liquid that is used as a catalyst in the manufacturing of…

A: Given data : Mass of VOCl3 = 21.34 g Molar mass of VOCl3 = 173.3 g/mol melting point: -77°C  boiling…

Q: How are boiling points affected by intermolecular forces? Why are heats of vaporization always…

A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…

Q: Calculate the amount of heat required to change 50.0 g ice at -20.0 °C to steam at 135 °C. (Heat of…

A: Concept Introduction: The amount of heat involved in a process without changing the phase can be…

Q: The enthalpy of fusion of ice (AHfus) is 6.0 kJ/mol at 0 °C. This means kilo joules of heat energy…

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Q: Liquid ammonia (boiling point = –4°C) can be used as a refrigerant and heat transfer fluid. How much…

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Q: How much heat energy is needed to melt 750.0g of ice? 2.505 x 105 kJ 7.500 x 104 kJ 5.005 x 19 kJ…

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Q: The heat of vaporization of water is 40.66 kJ/mol. How much heat is absorbed when 3.40 g of water…

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

Q: The heat of fusion for naphthalene is 0.148 kJ/g. Calculate the heat energy in joules required to…

A: Given: Heat of fusion for naphthalene = 0.148 KJ/g Mass of naphthalene = 43.25 g

Q: How much heat energy is required to melt 858.3 g of HBr? The molar heat of fusion of HBr is 2.41…

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Q: Compounds like CCl2F2 are known as chlorofluorocarbons,or CFCs. These compounds were once widely…

A: Given The heat of vaporization of CCl2F2 is 289J/g. The mass of water is 200g. The heat of fusion of…

Q: Calculate the energy in the form of heat (in kJ) required to change 76.9 g of liquid water at 25.2…

A: Given:  mass = 76.9 g Heat of fustion = 333 kJ heat capacity of water = 4.184 J/g°C heat capacity of…

Q: What amount of heat must be added to melt 54.06 g of ice at 0 °C and increase the temperature to…

A: Since the ice is initially at 0 oC. Hence it will need energy to just melt at 0 oC. And once the ice…

Q: The heat of fusion for CO2 is 8.35 kJ/mol. How much heat is needed to melt 2g of CO2?

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Q: How much heat energy is required to melt 769.5 g of HBr? The molar heat of fusion of HBr is 2.41…

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