HOW much energy is necessary to vaporize 22.4 g of NH,(/) (boiling point = -33.4 °C) that is initially at a temperature of -54.0 °C? Specific heat capacity, NH,(/): 4.7 J/(g C) Specific heat capacity, NH,(g): 2.2 J/(g C) Heat of vaporization 23.5 kJ/mol Molar mass 17.0 g/mol 39 kJ 340 kJ 590 kJ 6.3 kJ

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

A: Use calorimetry principle to get answer Heat flow from high temperature to low temperature. Heat=…

Q: The following information is given for ether, C,H5OC,H5, at latm: boiling point = 34.6 °C AHvap(34.6…

A: Data given: Boiling point of ether, C2H5OC2H5 = 34.6 °C ΔHvap (34.6 °C) = 26.5 kJ/mol Mass of sample…

Q: 104. A 685 mL sample of Hg(l) at 20°C is added to a large quantity of liquidN kept at its boiling…

A: Given that : The volume of Hg(l) = 685 mL Initial temperature of mercury = 20°C The specific heat of…

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 is required to vaporize 188 g of butane (C4H10) at its boiling point, if its ΔHvap…

A: Enthalpy of evaporation is defined as the energy required to change an amount of substance from…

Q: The following information is given for silicon at 1 atm: = 2355.00°C   (2355.00°C) = J/g =…

A:

Q: The specific heat capacity of water is 4.180J/g∗K, and water's heat of fusion is 335J/g    ( water…

A: The amount of heat released on cooling titanium tetrachloride from 60oC to 35oC can be determined by…

Q: The enthalpy for boiling water is 40.7 kJ/mol. How much heat is required to boil 1105.1 g of water?

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Q: Q3: The enthalpy of vaporization for water is: AHvop = + 44.0 kJ/mole Calculate the AH for…

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Q: How much energy in kilojoules is released when 25.0 g of ethanol vapor at 93.0°C is cooled to…

A: 43) A mole of substance weighs its molar mass and contain avagadro number of particle  Let the mass…

Q: Ethyl chloride, C2H5CI, is used as a local anesthetic. It works by cooling tissue as it vaporizes.…

A: The molar mass of ethyl chloride is : MC2H5Cl=M2C+M5H+MCl           =[12×2+5×1+35.5]           =64.5…

Q: A 480.5 gram sample of an unknown substance (MM = 92.41 g/mol) is heated from -23.1 °C to 51.8 °C.…

A: The following steps take place,energy absorbed or released to heat the solid from -23.1oC to 17.6,…

Q: A 123.6 gram sample of an unknown substance (MM = 189.50 g/mol) is cooled from 233.0 °C to 147.6 °C.…

A: Given: Mass of sample is 123.6 g. Molecular mass is 189.50 g/mol. Heat capacity of liquid is 1.62…

Q: How much heat energy is required to convert 90.2 g of solid iron at 24 C to liquid iron at 1538 ∘C?…

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Q: Consider the following data for H2O:   Melting Point = 0.0°C Boiling Point = 100.0°C   ΔHfusion…

A: Given: Melting Point = 0.0°C Boiling Point = 100.0°C ΔHfusion = 6.01 kJ/mol ΔHvaporization = 40.8…

Q: 26.2 kl How much energy is needed to vaporize 75.0 g of diethyl ether (C,H,O) at its boiling point…

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Q: How much heat (in kJ) would be required to convert 21.0 g of ice to water at 0°C?

A: Concept: The branch of chemistry that deals with the structure, properties and the reaction of the…

Q: The heat of vaporization of CsHs at 1 atm is 94.4 cal/g. 100 g of CeHs reacted at 80.2°C. Calculate…

A: This question is related to finding out the thermodynamic parameters. Heat of vaporization is the…

Q: 20 g of water is heated at an increase of 2°C per minute. If the amount of water heated for 10…

A: given data -   mass = m = 20-8 = 12 g. c = specific heat capacity = 4.18 J/g. oC temperature = T =…

Q: An ice cube at 0 °C weighing 100.0 g is dropped into 1 kg of water at 20 °C. Does all of the ice…

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Q: nge. Given the following information for ethanol, C2H3OH (at 1 atm), calculate the amount of heat in…

A: The correct answer is given below

Q: 34. The enthalpy of vaporization for N2(1) is 5.56 kJ/mol. How much heat (in J) is required to…

A: Number of moles can be calculated as shown below:

Q: energy

A:

Q: How much heat is required to vaporize 2.31 mol of methane, CH¼, at its boiling point? The heat of…

A:

Q: 13. How much heat in kJ is needed to warm 31.6 g of ice from 10 °C to steam at 175 °C. The heat…

A: Mass of ice = 31.6 g  Molar mass of ice = 18.00 g.mol-  Delta Hfusion = 6.02 × 103 J.mol-  Delta…

Q: 6.75 When 1 mol of CS,(I) forms from its elements at 1 atm and 25°C, 89.7 kJ of heat is absorbed,…

A: The enthalpy change is a state function and the Hess law states that the change of enthalpy in a…

Q: ow much heat is required to convert 135g of ice at - 15C into water Vapor at 120C? Please explain…

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Q: It requires three steps to convert a 265.0 gram sample of solid ethanol at -141.0°C to into a liquid…

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Q: How much energy does it take to heat a 45.0 g sample of substance X from -10.0 0C to 70 0C? Draw a…

A: The solid X on heating will first get heated up to change its temperature from -10 0C to 5 0C…

Q: An ice cube of mass 65 g is taken from a freezer at -15°C and dropped into 125 cm of water at 85°C.…

A: Since you have posted multiple questions, we are entitled to answer the first only. 1) Given: Mass…

Q: The heat of vaporization of water is 2260 J/g. determine q when 100 g of steam at 100˚C is condensed…

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Q: The enthalpy for boiling water is 40.7 kJ/mol. How much heat is required to boil 820.1 g of water?

A: The given question can be solved by calculation the number of moles present in the given amount of…

Q: How much energy is needed to convert 64.0 grams of ice at 0.00°C to water at 75.0°C?  Specific heat…

A: Given, Specific heat (ice)= 2.10J/(g°C) Specific heat (water)=4.18J/(g°C) Heat of fusion= 333J/g…

Q: The enthalpy for boiling water is 40.7 kJ/mol. How much heat is required to boil 250.1 g of water?

A: Number of moles of any substance can be calculated by dividing the mass withits molar mass which may…

Q: How much heat energy is required to boil 66.7 g of ammonia, NH3? The molar heat of vaporization of…

A: Mass of NH3 = 66.7 g  Molar heat of vaporization = 23.4 KJ/mol

Q: The density of liquid oxygen at its boiling point is 1.14 kg/Lkg/L , and its heat of vaporization is…

A:

Q: Which of the following substances (initially at room temperature) dose require the greatest amount…

A: Higher the boiling point greater will be the amount of heat required to melt 1 mol of solid

Q: How much heat energy is required to boil 23.0 g of ammonia, NH,? The molar heat of vaporization of…

A: Given data: The mass of ammonia m= 23.0 g. The molar heat of vaporization of ammonia = 23.4 kJ/mol.…

Q: B. If 25.0 kJ of heat is lost by 0.500 mol of substance A initially at 110 °C, what is the final…

A: At 110oC the state of the substance is gas. The boiling point of the substance is 78oC. Hence when…

Q: n ice cube tray contains enough water at 22.0oC to make 18 ice cubes that each have a mass of 30.0…

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Q: A 27.1-g sample of ice, initially at 0.0oC, is completely converted into steam at 100.0oC. What is…

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Q: A normal size ice cube has a mass of 50.0 g. How much energy will it take to melt the ice and then…

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Q: 15. In an experiment, 10.0 g of ice at -20°C is converted into steam with a temperature of 110°C.…

A: In the given process the 10.0 g of ice at -20oC is converted into steam at 110oC.

Q: How much heat is required to warm 25.0 g of H2O from a solid at -12ºC to a liquid at 60ºC? ∆Hfus =…

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Q: How much energy in kilojoules is released when 25.0 g of ethanol vapor at 93.0°C is cooled to…

A: Since you have posted multiple questions, we are entitled to answer the first only. Given: Mass of…

Q: Consider the following data for ethanol, C2H5OH: Melting Point = -114°C Boiling Point = 78°C…

A: Given: Melting Point = -114°C Boiling Point = 78°C ΔHfusion = 5.0 kJ/mol ΔHvaporization = 42.6…

Q: The enthalpy for boiling water is 40.7 kJ/mol. How much heat (in kJ) is required to boil 322.1 g of…

A:

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

A: Given, Mass of nitrogen taken = 7.7 g Initial temperature of nitrogen = -196 oC Initial temperature…