Answer to Question #55536 in General Chemistry for Aleshia
N2(g) + 3 H2(g) 2 NH3(g)
N ≡ N
a) Use Table 8.4 p 326 in textbook, to estimate the enthalpy change using the bond enthalpy for the reaction. Is it exothermic or endothermic?
b) Calculate the standard enthalpy change for this reaction, using standard enthalpies of
2. A 1.800 g sample of phenol (C6H5OH) was burned in a bomb calorimeter whose total heat
capacity is 11.66 kJ/℃. The temp of the calorimeter plus contents increased from
22.45 to 28.27℃.
a) Write a balanced chemical equation for the bomb calorimeter reaction.
b) What is the heat of combustion/gram of phenol?
c) What is the heat of combustion/mole of phenol?
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