Silver, Water and Aluminum Pretend you have 267 g of each of the followingsubstances is initially at 21.6°C. What is the finaltemperature of each of these substance after theyabsorb 0.735 kJ of heat? Use the data in Table 6.4from the textbook. Since the volumearea of its base times itsAx AA is actually the change in thevolume (AV) that occurs during the ex-pansion. Thus, the expression for workAV is the final volume minus the initialvolume, V-V, or V-V1. so during anexpansion AV is positive and the workis negative, in agreement with the con-vention that if the system (the expandinggases) does work on the surroundings,its sign is negative.Volume changeChoes sectionalIntial etateFinal stateA RIGURE 6.6 Piston Moving Within aCylinder Against an External PressureEXAMPLE 6.4PRESSURE-VOLUME WORKae a haon, you must do pressure-volume work on the surroundings, If vou inflate a balloon from a volume of 0.100 Lto 1.85 L against an external pressure of 1.00 bar, how much work is done (in joules)?SORT You know the initial and final volumes of theballoon and the pressure against which it expands. Thehalloon and its contents are the system.GIVEN: V = 0.100 L, V, = 1.85 L, P = 1.00 bar%3DFIND: wSTRATEGIZE The equation w -PAV specifies the CONCEPTUAL PLANamount of work done during a volume change againstan external pressure.P, AVSOLVE To solve the problem, compute the value of SOLUTIONAV and substitute it, together with P, into the equation.%3D= 1.85 L – 0.100 L= 1.75 Lw = -PAVConvert the units of the answer (bar L) to J using100 J 1 bar L.= -1.00 bar X 1.75 Lf 001 bar L3 -1.75 barL XCHECK The unit J is correct for work. The sign of the work is negative, as it should be for an expansion: Work is done on thesurroundings by the expanding balloon.= -175 JFOR PRACTICE 6.4When fuel is burned in a cylinder equipped with a piston, the volume expands from 0.255 L to 1.45L against an externpressure of 1.02 bar. In addition, 875 J is emitted as heat. What is AU for the burning of the fuel?

Given information, Mass of substance = 267 g Initial temperature (T1) = 21.6°C Amount of heat…

Pretend you have 267 g of each of the following substances is initially at 21.6 °C. What is the final temperature of each of these substance after they absorb 0.735 kJ of heat? Use the data in Table 6.4 from the textbook.

Pretend you have 267 g of each of the following substances is initially at 21.6 °C. What is the final temperature of each of these substance after they absorb 0.735 kJ of heat? Use the data in Table 6.4 from the textbook.

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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