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Manipal Engineering Manipal Engineering Solved Paper-2014

  • question_answer
    At 298 K the entropy of rhombic sulphur is 32.04 J/mol K and that of monoclinic sulphur is 32.68 J/mol K. The heat of their combustion are respectively-298246 and -297948\[x+y+z=6,x+2y+3z=10\].\[x+2y+\lambda z=\mu \] for the reaction; rhombic \[\lambda =3,\mu \ne 10\] will be

    A) 107. 28 J              

    B)  10.728 J

    C)  107.28k J            

    D) 10728 J

    Correct Answer: A

    Solution :

    \[\frac{\alpha }{n}-1+\alpha \] \[_{Z}^{A}X\] \[_{Z-2}^{A-4}X.\] \[_{Z}^{A}X=253u\]


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