Multiple Choice
Aluminum oxide can be reduced to aluminum metal using carbon, the other reaction product being carbon monoxide. Determine the enthalpy change when 12.5 g of aluminum is produced by this method.[ H°f(carbon monoxide) = -110.5 kJ/mol; H°f(aluminum oxide) = -1669.8 kJ/mol]
A) 725 kJ
B) 697 kJ
C) 310 kJ
D) 361 kJ
E) 1504 kJ
Correct Answer:
Verified
Correct Answer:
Verified
Q2: The heat of hydration ( <span
Q4: A 0.3423 g sample of pentane, C<sub>5</sub>H<sub>12</sub>,
Q5: When 0.560 g of Na(s)reacts with
Q6: Solid sodium peroxide (Na<sub>2</sub>O<sub>2</sub>)reacts with liquid
Q7: The heat of neutralization of HCl
Q8: The combustion of octane produces heat
Q9: The heat of solution of LiCl is
Q29: The specific heat of gold is 0.129
Q95: When 18.5 g of HgO(s)is decomposed
Q118: The specific heats of water and iron