Question

What is the enthalpy change for the combustion of 1.44 g C4H10 in excess oxygen?

 Question 17

 What is the enthalpy change for the combustion of 1.44 g C4H10 in excess oxygen?

 C4H10 (g) + 13 O2(g) ............... 8 CO2(g) + 10 H2O(g) H° =-3788 kj

 a.-22.6k

 b.-93.9 k

 c.-1.32 x 103 kj

 d.-46.9 k

 e.-2.63 x 103 kj


Question 18

 Use VSEPR Theory to predict the X-A-X angles for the following compounds:

 CO2, GeF4, BCI3

 a.180°, 109.5°, 120°

 b.180°, 90°, 120°

 c.109.5°, 109.5°, 109.5°

 d.109.5°, 90°, 90°

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