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Problem Two (Be sure to space answers in a readable manner) A. Calculate the standard heat of formation of acetaldehyde, CH$_3$CHO (g), given the following information. CH$_3$CHO (g) + 5/2 O$_2$ (g) $\rightarrow$ 2H$_2$O(l) + 2CO$_2$ (g) ?H = -1194 kJ ?Hf H$_2$O(l) = -286 kJ ?Hf CO$_2$(g) = -394 kJ B. Substance NH$_4$ClO$_4$(s) Al$_2$O$_3$(s) AlCl$_3$(s) NO(g) H$_2$O(g) ?Hf (kJ/mole) -295 -1676 -704 90.0 -242 Given the information above, calculate the ?Hrxn for the following chemical reaction. 3Al(s) + 3 NH$_4$ClO$_4$(s) $\rightarrow$ Al$_2$O$_3$(s) + AlCl$_3$(s) + 3 NO(g) + 6 H$_2$O(g)

          Problem Two (Be sure to space answers in a readable manner)
A. Calculate the standard heat of formation of acetaldehyde, CH$_3$CHO (g), given the following information.
CH$_3$CHO (g) + 5/2 O$_2$ (g) $\rightarrow$ 2H$_2$O(l) + 2CO$_2$ (g) ?H = -1194 kJ
?Hf H$_2$O(l) = -286 kJ
?Hf CO$_2$(g) = -394 kJ
B.
Substance
NH$_4$ClO$_4$(s)
Al$_2$O$_3$(s)
AlCl$_3$(s)
NO(g)
H$_2$O(g)
?Hf (kJ/mole)
-295
-1676
-704
90.0
-242
Given the information above, calculate the ?Hrxn for the following chemical reaction.
3Al(s) + 3 NH$_4$ClO$_4$(s) $\rightarrow$ Al$_2$O$_3$(s) + AlCl$_3$(s) + 3 NO(g) + 6 H$_2$O(g)

Problem Two (Be sure to space answers in a readable manner)
A. Calculate the standard heat of formation of acetaldehyde, CH3CHO (g), given the following information.
CH3CHO (g) + 5/2 O2 (g) → 2H2O(l) + 2CO2 (g) ?H = -1194 kJ
?Hf H2O(l) = -286 kJ
?Hf CO2(g) = -394 kJ
B.
Substance
NH4ClO4(s)
Al2O3(s)
AlCl3(s)
NO(g)
H2O(g)
?Hf (kJ/mole)
-295
-1676
-704
90.0
-242
Given the information above, calculate the ?Hrxn for the following chemical reaction.
3Al(s) + 3 NH4ClO4(s) → Al2O3(s) + AlCl3(s) + 3 NO(g) + 6 H2O(g)

Added by Dustin C.

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