How many kJ of heat are needed to completely vaporize 50.0g of water at 100°C?

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: 2. How much heat must be added to 110.0 g of ice at -18.0°C to change it to water at 47.5°C ? (Cice…

A: The following formula is used to calculate the required heat.

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: help would be appreciated

A: Given, Mass of NaCl = 67 g Heat of fusion of NaCl, △Hfus = 30.2 kJ/mol Molar mass of NaCl = 58.44…

Q: The molar heat of vaporization of water at 25 °C is +43.9 kJ/mol. How many kilojoules of heat would…

A: Given, The molar heat of vaporization of water at 25°C is +43.9 kJmol

Q: 5. What amount of heat is required to warm 1.5 kg of ice at -15.0°C to steam at 150.0°C? Assume the…

A: This is a reversible phase type question. To convert from one phase to another but at constant…

Q: When 10 mL of water is heated from room temperature of 25oC to super steam at 120oC, how much heat…

A:

Q: How much energy in kJ would it take to heat up 34.823 g of water at 47.8 degrees C until it…

A: Mass of water = 34.823 gm  Moles of water = 34.823/18 = 1.94 moles  Initial temperature = 47.8°C…

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: How much heat is released if 5.4g of steam at 105 degrees C is condensed into 90 degrees C liquid…

A: Heat is released in 3 steps . Conversion of steam  105℃ to 100℃  Conversion of steam to water at…

Q: 8) If the heat of fusion for water is 80. cal/g, how many calories are needed to melt 45.0 g of ice…

A: The heat of fusion for water is 80 cal/g. It is required to calculate the calories needed to melt 45…

Q: How much energy is removed when 45 grams of ethanol condenses to liquid? Ethanol heat of…

A: Given : Mass of ethanol condensed = 45 g Molar mass of ethanol = 46 g/mol. And heat of vaporisation…

Q: 3. Calculate the heat needed to convert 15 g of ice at -10 degrees Celsius to liquid water at 30…

A: Given data mass of ice : m = 15 g Initial temperature : T1 = - 10 oC Final temperature : T2 = 30 oC…

Q: How much energy (heat) is required to convert 72.7 gram of ice at -12.0 ° C to steam at 125 ° C?

A: Mass of ice = 72.7gram Temperature of change of ice to steam -12.0°C to 125°C  We have calculate…

Q: Estimate the molar heat of vaporization of a liquid whose vapor pressure doubles when the…

A: Clausius Clapeyron equation-This gives relation between pressure and temperature if enthalpy of…

Q: how to calculate the amount of heat that will vaporize 4250 g of water at 100oC (Specific heat of…

A: given, mass of water = 4250 g We need to calculate heat needed to vaporize 4250 g water at 100oC

Q: How many J of energy must be removed when 126.0 g of steam, at a temperature of 163.0°C, is cooled…

A:

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: The molar heat of fusion for water is 6.02 kJ/mol and its molar heat of vaporization is 40.6 kJ/mol.…

A: Molar heat of vaporization is basically that energy which is required for conversion of one mole of…

Q: how many joules of heat are needed to completely vaporize 24.40 grams of water at its boiling point?…

A: Given that: mass of water = 24.40 g Hvap=40.6 kJ/mol To find: Joules of heat?

Q: The energy that must be added to convert exactly 1 g of solid to liquid at the melting point…

A: Latent heat is defined as the heat required to change the state of 1gram of matter,without changing…

Q: The greater the molar heat of vaporization of a liquid, the greater its vapor pressure. Is this true…

A: We are authorised to solve only one question at a time. Please post rest of the questions…

Q: The heat of vaporization for CH4 is 152 cal/g. How much heat is needed (in calories) to vaporize 0.4…

A: The heat of vaporization for CH4 is = 152 cal/g The amount of heat is needed (in calories) to…

Q: How much heat, in J, is required to bring a mixture of 0.500 g liquid water and 0.500 g ice at 0 C…

A: Heat capacity of wtar = 4.18 J/g°C Latent heat of ice = 334 J/kg Total heat reqire = latent heat…

Q: Some chemistry students are trying to identify an unknown substance. They obtain the heating curve…

A: Heat versus temperature graph shows all states of any substance with all temperatures.

Q: does LiF have a higher vapor pressure at 25oC than H2S?

A: FALSE - LiF will have higher vapor pressure at 25 degree C than H2S Note: LiF has strong electro…

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

A:

Q: ow much heat energy is needed when 8.29 g of water vaporizes at 373 K? The enthalpy of condensation…

A: To determine the amount of heat energy required to vaporize 8.29 g of water at 373 K.

Q: How much water at its boiling point can be vaporized by adding 1.50kJ of heat?

A: Given that, q =  1.5 kJ heat is added to water at boiling point 1000C. Heat of vaporization of water…

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: After swimming in a pool or lake, the air feels cool because heat is required to evaporate the water…

A: Heat, energy transmitted from one body to another because of a temperature differential. When two…

Q: 1. How much heat would be needed to boil 285g of H;O? 2. When water freezes, energy is released. How…

A:

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

A:

Q: How much energy does it take to turn 10.0g of liquid benzene (C6H6) into a gas at the boiling point?…

A: Given: mass of liquid benzene=10 g  heat of vaporization= 405 calg

Q: How much energy (in kJ) is needed to convert 50.0 g of ice at -10.0 ºC to liquid water at 0.0 ºC?

A: M=50 gm=0.05kg  we raise the temperature of 0.05kg of ice at -10C to 0C. The heat capacity of ice,…

Q: what quantity of heat would be required to vaporize 2.30g of aluminum at its normal boiling point?

A: the answer is follows as :

Q: At a pressure of 1 atm, kJ of heat are needed to vaporize a 38.7 g sample of liquid benzene at its…

A:

Q: .. How much heat is needed to change 3 g of water to steam?

A: Conversion of water to steam is a phase change process. We would use heat of vaporisation of water…

Q: How much energy is released when 65.8 g of water freezes?

A: At constant temperature when 1 kilogram of a solid is converted into liquid then heat released is…

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: Is energy (or heat) absorbed or released when vaporizing 50.0 g of water?

A:

Q: How many calories of heat are needed to vaporize 500g of water at 100 ᵒ C?

A:

Q: 2. Assume the total heat of vaporization (per gram) of water can be usec to supply the energy needed…

A: Literature value for the enthalpy of vaporization of water = 2260 J/g

Q: How much heat is required to melt a 10.0g ice cube at -15°C?

A: Given: Mass of the ice cube= 10 g Final temperature = -15°C Standard data Specific heat of the…

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: What is the heat of vaporization(kj/mol) if it takes 3452 J of heat to completely vaporize 2.68…

A: Consider the given information is as follows; Heat of vaporization = 3452 J = 34521000 kJ=3.452 kJ…

Q: How much energy would need to be added to 930.g of ice at 0.0°C to turn it into liquid water at…

A:

Q: Suppose that 0.95 g of water condenses on a 75.0 g block of iron that is initially at 22°C. If the…

A: Given, mass of water =0.95 g         Mass of iron block=75 g       Enthalpy of vaporization of water…

Q: How much energy is released when 65.8g of water freezes

A: First convert the given grams to moles.