specific heat at constant pressure Cp of an ideal gas is related to enthalpy y C

Question

specific heat at constant pressure Cp of an ideal gas is related to enthalpy y Cp -dhdT where h is enthalpy and T-absolute temperature. The following lpies are provided for carbon dioxide (CO2) at several temperatures. r(k) 1000.00 mol 27346 00 479.00 7586 00 745.00 Write h and T in a Matlab vector form. Plot h v/s T What is the value of T(2)? Choose (or enter) the value of Cp (rounded to econd decimal points) at this temperature if Cp = (h(itl )-h(i-1 ) ) / (TG+1 )-TG-1 Note: The atomic weight of the carbon dioxide is 44g/mol Choices 1163 64 JKgK 1163 64 Jmol- Attempts o l

Explanation / Answer

[1]

h = [27346 32479 37586 42745];
T = [700.00 800.00 900.00 1000.00];

[2]
clc;
clear all;
h = [27346 32479 37586 42745];
T = [700.00 800.00 900.00 1000.00];

plot(h,T);

[3] Cp = (32479 - 27346) / (800.00 - 700.00)
             = 5133 / 100
            = 51.33 J/mol-k

==> Option [C]

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