Calculate (in kj) the standard enthalpy change
Calculate (in kJ) the standard enthalpy change, , for the hydrogenation of ethyne (acetylene) to ethane: H-C≡C-H(g) + 2H2(g) → H3C-CH3(g)
Bond: C-C C≡C C-H H-HBond energy (kJ/mol): 347 839 413 432
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A long cylindrical rod of diameter 200 mm with thermal conductivity of 0.5 W /m K experienced uniform volumetric heat generation of 24,000 W /m3.
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