Calculate the amount of heat released (in kilojoules) when 68.0 g of steam at 124°C is converted to asolid at a solid at 20° Assume Cs of H2O (s) is 2.09 J/g °C, 4.184 J/g °C over the entire liquid range andC, steam is 1.99 J/g °C, AHmelting = 6.01 kJ/mol and AHvap = 40.67 kJ/mol (Remember AH is a statefunction)-2840 kJ-3047 kJ+3047 kJ-3.047 kJ2.840 kJ+2840 kJ

Given information:- Mass of steam = 68.0 g- Initial temperature of steam = 124°C- Final temperature…

Answered: Calculate the amount of heat released…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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What amount of heat, in kJ, is required to convert 1.60 g of water at 67.0 °C to 1.60 g of steam at 100.0 °C? (specific heat capacity of water = 4.184 J/g °C; AHvap = 40.7 kJ/mol) %3D
How much heat is released when 105 g of steam at 100.0 C is cooled to ice at -15.0 C? The enthalpyof vaporization of water is 40.67 kj/mol, the enthalpy of fusion for water is 6.01 kj/mol, the specific heatcapacity of liquid water is 4.18 J/g C and the specific heat capacity of ice is 2.02 J/g C.(q heating = m x C x ΔT, q phase change = ΔH vap x n)
Under normal atmospheric pressure, nitrogen boils (and condenses) at - 196°C. When 7.7 g of nitrogen gas at -196°C was put into a dewar flask nitially at -260°C, their temperatures reach -210°C. If the specific heat capacity and heat of vaporization of nitrogen are 1.04 J/g-°C and 200 J/g, espectively, determine the heat capacity of the dewar flask.
What amount of heat, in kJ, is required to convert 3.90 g of water at 67.0 °C to 3.90 g of steam at 100.0 °C? (specific heat capacity of water = 4.184 J/g • °C; ∆Hvap = 40.7 kJ/mol)
The following information is given for n-pentane, C5H12, at 1atm: AHvap(36.2 °C) = 25.8 kJ/mol boiling point specific heat liquid = 36.2 °C = 2.28 J/g °C At a pressure of 1 atm, normal boiling point of 36.2 °C. kJ of heat are needed to vaporize a 25.5 g sample of liquid n-pentane at its
How much energy is needed to turn 10.0 g of water at 25°C to steam ( = 6.01 kJ/mol; = 40.76 kJ/mol; c = 75.3 J/mol • °C)?
Steam at 100oC was passed into a flask containing 276.87g of water at 21oC, where steam condensed. How many grams of steam must have condensed if the temperature of water in the flask was raised to76.1oC? The heat of vaporization of water (delta H) at 100oC is 40.7 kJ/mol and the specific heat is 4.18 J/g.oC.
What amount of heat, in KJ, is required to convert 2.10 g of water at 67.0 C to 2.10 g of steam at 100.0 C ? (Specific heat capacity of water = 4.184 J/g. C; Hvap= 40.7 KJ/mol)
8.) AHvap is a way to measure intermolecular forces quantitatively. Calculate the amount of energy (in kilojoules) needed to cool 550 g of water vapor from 150°C to -20°C. Assume that the specific heat of water is 4.184 J/g °C over the entire liquid range and the specific heat of steam is 1.99 J/g °C. The AHvap for water is 40.79 kJ/mol. The AHfus 6.01 kJ/mol. The specific heat of ice is 2.01 J/g °C
Substance C has a normal boiling point of 89.3 ºC, and an enthalpy of vaporization of 31.3 kJ/mol. How many kilojoules of heat is required to change 3.675 mol of C from a liquid at 89.3 ºC to a gas at 89.3 ºC?
Suppose that 0.87 gg of water condenses on a 85.0 gg block of iron that is initially at 20 °C.C. If the heat released during condensation goes only to warming the iron block, what is the final temperature (in oC) of the iron block? (Assume a constant enthalpy of vaporization for water of 44.0 kJ/mol and a heat capacity for iron of 0.449 J/(g-oC).) Express your answer in degrees Celsius to two significant figures.
The following information is given for benzene, C6H6, at 1atm: AHvap(80.1 °C) = 30.7 kJ/mol boiling point = 80.1 °C specific heat liquid = 1.74 J/g°C At a pressure of 1 atm, boiling point of 80.1 °C. kJ of heat are needed to vaporize a 40.2 g sample of liquid benzene at its normal

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