() A block of copper at a pressure of atm (approximately 100 kPa) and a tem perature of 5 degrees * C is kept at constant volume. If the temperature is raised to 10 degrees * C what will be the final pressure? () If the vessel holding the block of copper has a negligibly small thermal expan sivity and can withstand a maximum pressure of 1000 atm, what is the highest temperature to which the system may be raised? (Note: The volume expansivity and isothermal compressibility are not always listed in handbooks of data. However, three times the linear expansion coefficient , and is the reciprocal of the bulk modulus B. For this problem, assume that the volume expansivity and isothermal compressibility remain practically constant within the temperature range of to 20 degrees * C at the values of 4.95 * 10 ^ - 5 * K ^ - 1 and 6.17 * 10 ^ - 12 * p_{3} ^ - 1 respectively .)
() A block of copper at a pressure of atm (approximately 100 kPa) and a tem perature of 5 degrees * C is kept at constant volume. If the temperature is raised to 10 degrees * C what will be the final pressure? () If the vessel holding the block of copper has a negligibly small thermal expan sivity and can withstand a maximum pressure of 1000 atm, what is the highest temperature to which the system may be raised? (Note: The volume expansivity and isothermal compressibility are not always listed in handbooks of data. However, three times the linear expansion coefficient , and is the reciprocal of the bulk modulus B. For this problem, assume that the volume expansivity and isothermal compressibility remain practically constant within the temperature range of to 20 degrees * C at the values of 4.95 * 10 ^ - 5 * K ^ - 1 and 6.17 * 10 ^ - 12 * p_{3} ^ - 1 respectively .)
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() A block of copper at a pressure of atm (approximately 100 kPa) and a tem perature of 5 degrees * C is kept at constant volume. If the temperature is raised to 10 degrees * C what will be the final pressure? () If the vessel holding the block of copper has a negligibly small thermal expan sivity and can withstand a maximum pressure of 1000 atm, what is the highest temperature to which the system may be raised? (Note: The volume expansivity and isothermal compressibility are not always listed in handbooks of data. However, three times the linear expansion coefficient , and is the reciprocal of the bulk modulus B. For this problem, assume that the volume expansivity and isothermal compressibility remain practically constant within the temperature range of to 20 degrees * C at the values of 4.95 * 10 ^ - 5 * K ^ - 1 and 6.17 * 10 ^ - 12 * p_{3} ^ - 1 respectively .)
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(a) (JP/dv)7;
(b) (@P/8T'),-
From parts (a) and (b) calculate (dv/ƏT)p.
2.3. The equilibrium states of superheated steam are represented by Callendar's equation,
thus:
rT
V-b =
P.
a
where b, r, a, and m are constants. Calculate the volume expansivity ß as a function
of T and P.
2.4. (a) A block of copper at a pressure of 1 atm (approximately 100 kPa) and a tem-
perature of 5°C is kept at constant volume. If the temperature is raised to 10°C,
what will be the final pressure?
(b) If the vessel holding the block of copper has a negligibly small thermal expan-
sivity and can withstand a maximum pressure of 1000 atm, what is the highest
temperature to which the system may be raised?
(Note: The volume expansivity ß and isothermal compressibility K are not always
listed in handbooks of data. However, ß is three times the linear expansion coefficient
a, and x is the reciprocal of the bulk modulus B. For this problem, assume that the
volume expansivity and isothermal compressibility remain practically constant within
the temperature range of 0 to 20°C at the values of 4.95 × 10~³ K-' and
6.17 x 10-12 Pa-', respectively.)
2.5. A block of copper at a pressure of 1 atm, a volume of 100 cm³, and a temperature of
10°C experiences a rise in temperature of 5°C and an increase in volume of 0.005 cm³.
Assuming the volume expansivity and isothermal compressibility given in Prob. 2.4,
calculate the final pressure.
2.6. Consider a wire that undergoes an infinitesimal change from an initial equilibrium
state to a final equilibrium state.
(a) Show that the change of tension is equal to
AY
dF = -aAYdT +
dL.
(b) A nickel wire of cross-sectional area 0.0085 cm²_under a tension of 20 N and a
Ini soal termo nomer 2.3, 2.4, 2.5 (sistem absenh
juga, info pastinya nanti nyusul)
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