Calculate the heat energy required

Q: Calculate the energy needed to convert 400. g of ice at -50.0 °C to steam at 180.0 °C. The heat of…

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Q: The heat of vaporization of water at 100°C is 40.66 kJ/mol. Calculate the quantity of heat that is…

A: Given,mass of steam water = 5.00 gThe heat of vaporization of water at 100 oC = 40.66 kJ/mol

Q: 0.5000 moles of steam at 200°C was chilled in a ultra-low temperature freezer to -90°C. If the heat…

A: It is given that steam is chilled from an initial temperature of 200°C to the ice at -90°C,

Q: Refer to this data table: Specific heat of: Molar heat of fusion of ice 6.01 kJ/mol. ice 2.03 J/g…

A: Given, Specific heat of Ice = 2.03 J/g°C Steam = 1.99 J/g°C Water = 4.184 J/g°C Molar heat of fusion…

Q: Calculate the heat required to convert 18.6 g of propyl alcohol, C3H8O, from a solid at -150°C into…

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Q: Calculate the amount of energy (in kJ) necessary to convert 257 g of liquid water from 0°C to water…

A: In starting we have 257 g of liquid water at 0°C , molar heat of vaporization (Hvap) of water is…

Q: Calculate the energy needed to convert 300. g of ice at -50.0 °C to steam at 220.0 °C. The heat of…

A: Given data,Mass of ice=300gInitial temperature=-50oC=-50+273=223KFinal…

Q: bon disulfide, CS2, is a volatile, flammable liquid. It has a vapor pressure of 340. his substance?…

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Q: Calculate the amount of heat in kilojoules needed to convert 51.44 g of ice at 0°C to gas. The molar…

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Q: How much energy in kJ would it take to heat up 25.23 g of water at 35 degrees C until it completely…

A: By help of specific heat of water, we can determine the energy -   Q = m C ∆T    where - Q = Heat…

Q: Determine the total amount of energy required to heat 17.5 g of ethanol at -90.0 °C to ethanol vapor…

A: The mass of one mole of ethanol is 46 g/mol. This implies that 17.5 g of ethanol constitutes 0.38…

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: A substance has a melting point of 20°C and a boiling point of 150°C. The latent heat of fusion of…

A: Given, Some amount of water at 70°C is added to 0.50kg of a substance which is at 16°C. Final…

Q: How much energy is needed to convert 64.2 grams of ice at 0.00°C to liquid water at 75.0°C? specific…

A: 64 g ice, first  ice at 0℃ fused to Water at 0℃.  Heat energy(q1)= m × ∆Hf Here, m= mass of ice=64g…

Q: How much energy is required to heat 1.50 moles of dichloromethane (CH3Cl2) from 30 °C to 60 °C? The…

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

Q: Calculate the heat absorbed when 596 g of ice at −13.0°C melts and then the water is converted to…

A: It is given that 596 g of ice at -13°C is converted into steam up to 225°C, and the specific heat of…

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: The heat of fusion of water is 79.9 cal/g, the heat of vaporization of water is 540 cal/g, the…

A: The heat required to raise the temperature of a substance can be calculated using the formula: q = m…

Q: Part B How much heat is required to convert 21.5 g of ethanol at -150 °C to the vapor phase at 78…

A: mass of ethanol = 21.5 gram Initial temperature : To=-150 °C melting point: Tm=-114 °C boiling…

Q: 12. How much energy is needed to change a 47 g cube of ice from -29 °C to liquid water, at 29 °C?…

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Q: The chlorofluorocarbon C2Cl3F3 has a normal boiling point of 47.6°C. The specific heats of and…

A: NOTE : There are some typo error in the questions. Please find below the corrections. 1) It will be…

Q: How much heat (in kJ) is required to convert 428 g of liquid H2O at 22.7°C into steam at 154°C?…

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Q: A 21.3-g sample of ice at -14.6°C is mixed with 118.4 g of water at 80.0°C. Calculate the final…

A: Given: m1=mass of ice=21.3 gm2=mass of water=118.4 gT1=initial temperature=-14.6oCT2=final…

Q: Calculate heating ice from -10. To 0.0C. Using the information below: What is the heat in Joules…

A: What is the heat in Joules required to convert 25g of -10.C ice into 150C steam? Given data : Heat…

Q: How much heat energy is required to convert 39.6 g of solid ethanol at -114.5 °C to gaseous ethanol…

A: When there is a phase transition taking place then heat energy is calculated using heat of…

Q: The heat of vaporization of an organic solvent is 39.8kJ/mol. Find the temperature in degrees…

A: The variation of vapor pressure of a liquid with respect to temperature is given by…

Q: Given that the specific heat capacities of ice and steam are 2.06 J/g Celsius and 2.03 J/g Celsius,…

A: In condensation, heat must be released, the sign for Q (heat evolved) is negative. The energy of…

Q: Calculate the amount of heat required to heat 25.0 g of water at 80.0°C to obtain steam at 100 °C.…

A: There are two processes involved here: 1. Heating water from 80°C to 100°C 2. Phase transition of…

Q: How much heat (in kJ) is required to heat 55.9 g of ice at -10.6 oC to steam at 124.7 oC? Specific…

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Q: The melting point of certain substance is 70oC, its normal boiling point is 450.0oC, its heat of…

A: melting point = 70oC normal boiling point = 450oC heat of fusion = 30 cal/g heat of vaporization =…

Q: Lauric acid (C12H24O2) is 32.86 kJ/mol and enthalpy of ol. The melting point is 43.2°C. How much…

A: Given data are as follows Melting point =43.2 0C Heat capacity of solid= 2.15 J/g0C Heat capacity…

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

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Q: The normal melting point of aluminum is 655 0C and the normal boiling point is 2425 0C. The molar…

A: The aluminum gas undergoes the following as the temperature is decreased from 3732.78oC to 78.1oC…

Q: Boiling point = 78.3 oC Critical temperature = 243 oC Critical pressure = 63.0 atm Density = 0.789 g…

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Q: Under normal atmospheric pressure, nitrogen boils (and condenses) at - 196oC. When 7.7 g of nitrogen…

A: The Boiling point of nitrogen = -196°CMass of nitrogen = 7.7 gThe Initial temperature of nitrogen…

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: If a particular liquid has a normal boiling point of 338.0 K and a vapor pressure of 75.0 mmHg at…

A: Hi, as you have posted multiple questions and have not mentioned which question you want us to solve…

Q: How much heat (in kJ) is required to heat 55.9 g of ice at -20.7 oC to steam at 118.3 oC? Specific…

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