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: How much heat Q is required to change 24.0 g of ice at –4.50°C to 24.0 g of steam at 136°C? Q = J

A: The heat capacity is the ratio of the energy supplied in the form of heat to the rise in the…

Q: Suppose that 1.11 g of rubbing alcohol (C3H8O)evaporates from a 70.0 g aluminum block. Aluminum has…

A: This question requires manipulation of units. At first, calculate the no. of moles of rubbing…

Q: How much energy is needed to boil 45.0g of water at its boiling point? Water's heat of vaporization…

A: Given: Mass of water = 45.0 g. And heat of vaporization of water = 40.65 KJ/mol.

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: (12.7) How much heat is required to heat 28.0 grams of solid ice at -20.0 °C to liquid water at 98.0…

A: The conversion of state of a matter will require the heat. It can be obtained by the summation of…

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: 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: A 22.5-g sample of ice at 0.0 oC is added to 100.0 g of warm water at 35.0 oC, and the final…

A: Given : Mass of ice = 22.5 g Initial temperature of ice = 0.0 oC Final temperature of mixture =14.0…

Q: A student is asked to calculate the amount of heat involved in changing 10.0 g of liquid bromine at…

A: Given: Amount of liquid bromine = 10.0 gTinitial = 22.5°CTfinal  = 59.0°CSpecific heat of bromine =…

Q: The heat of vaporization of water is 40.66kl/mol. How much heat is absorbed when 2.98g of water…

A: Heat of vaporization is amount of heat which converts water from liquid state to the vapour phase.…

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: 115.4 g of water, H2O, (molar mass is 18.02 g/mol) was heated from -11.54 °C to 135.72 °C. The…

A: The specific heat of a substance is the amount of heat required to raise the temperature of a…

Q: Calculate the amount of energy (in kJ) necessary to convert 357 g of liquid water from 0°C to water…

A: The energy necessary to elevate temperature of any given entity by 1 unit is termed as its "specific…

Q: Calculate ΔU (in joules) for the vaporization of 1.00 g of H2O at 100.°C and 1.00 atm pressure. The…

A: Mass of water = 1.00 g Temperature = 1000C=373 K Pressure = 1.00 atm ∆Hvap = 2260 J/g

Q: 72.3 g of ice at -15.0°C has heat energy added to it until it becomes steam at 145°C. Calculate the…

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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 substance has a molar mass of 82.95 g/mol. A 33.5g sample of this substance absorbs 5.114 kJ when…

A: Molar heat of fusion :- The amount of heat absorbed when one mole of a substance changes from solid…

Q: Find ΔE, ΔH, q, and w for the change in state of 1.0 mol H2O(l ) at 80 °C to H2O( g) at 110 °C. The…

A:

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: How much energy is required to vaporize 158 g of butane (C 4H 10) at its boiling point, if its ∆H…

A: Formula for energy required vaporized = moles × ΔHVap

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

A:

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: Find ΔUΔU for the change in state of 1.0 molH2O(l) at 80 ∘C to H2O(g) at 112∘C. The molar heat…

A: Here the transition can be divided into three parts as below H2O (l, 80℃)-------->H2O (l, 100℃)…

Q: Two 20.0 g ice cubes at -18.0 C are placed into 225 g of water at 25.0 "C. Assuming no energy is…

A: Given data: The mass of Two 20.0 g of ice mass = 40.0 g Temperature of ice = -18.0 °C The Mass of…

Q: energy

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

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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…

A:

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: How much heat is required to vaporize 54.9g of acetone at its boiling point? The heat of…

A:

Q: The following information is given for benzene, C6H6, at 1atm: boiling point = 80°C AHvap = 0.393…

A:

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

A:

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 required to vaporize 48.7 g of dichloromethane at its boiling point. (31.6…

A: We need to find the energy required to vaporize.  Mass = 48.7 g Boiling point = 31.6 kJ/mol

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

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

A:

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: A 5.00 g sample of water vapor, initially at 155*C is cooled at atmospheric pressure, producing ice…

A:

Q: Calculate the mass of ice required to cool 181 mL of beverage from 24.6 °C to 0.0 °C. Assume a…

A: First find the heat lost (q) by the beverage. Then using the obtained “q” value and given enthalpy…

Q: Calculate the energy (in kJ) required to convert 175 g of water from ice at -25.5 °C to liquid water…

A: Given, amount of water =175 gwe are asked to calculate the energy (in kJ) required to convert 175…

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: The heat of vaporization of water at the normal boiling point, 373.3K, is 40.66kJ/mol. The specific…

A: For any specific compound that possess an amount of 1.0 , the heat energy (q) that is required for…

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…