Question

Complete the reaction: C₆H₅NH₂ +Br₂ (aq) →

Answer 1

At 25°C, when 1.00 g of sulfur is burned at constant pressure in excess oxygen to give SO2(g), 9.28 kJ of heat is liberated. What is the enthalpy of formation of SO2(g)?


-298 kJ/mol

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At constant pressure and 25°C, what is DH° for the following reaction 

2C 2H 6( g) + 7O 2( g) ® 4CO 2( g) + H 2O( l)

if the complete consumption of 11.3 g of C2H6 liberates -586.3 kJ of heat energy?

.
-441 kJ (this was the correct answer but marked wrong on the homework)

-3120 kJ

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Terms in this set (273)

At 25°C, when 1.00 g of sulfur is burned at constant pressure in excess oxygen to give SO2(g), 9.28 kJ of heat is liberated. What is the enthalpy of formation of SO2(g)?

-298 kJ/mol

At constant pressure and 25°C, what is DH° for the following reaction 

2C 2H 6( g) + 7O 2( g) ® 4CO 2( g) + H 2O( l)

if the complete consumption of 11.3 g of C2H6 liberates -586.3 kJ of heat energy?

. 
-441 kJ (this was the correct answer but marked wrong on the homework)

-3120 kJ

Given the thermochemical equation

2Al(s) + mc027-1.jpgO2(g) ® Al2O3(s); DH = -1676 kJ

find DH for the following reaction.

2Al2O3(s) ® 4Al(s) + 3O2(g)

3352 kJ