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A thick surrounding cover of invar, whose expansivity and compressibility are almost negligible, is made to fit quite approximately a metal for which α=4.5 ×10^-5  K^-1 and βT=1.0 ×10^-11  N^-1  m^2. The initial temperature and pressure of the metal piece are 300  K and 1  atm, calculate (a) the final pressure if the temperature is raised to 308  K, (b) rise in pressure if the temperature changes to 303  K, and (c) the temperature of the system if it can withstand a maximum pressure of 10^8 Nm^-
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