How much heat will be absorbed when 13.7 g of nitrogen reacts with excess O2 according to the following equation? Circle one: Is this reaction endothermic or exothermic? Additionally, rewrite the thermochemical equation in the other format. N 2 + O2 → 2NO ∆H = +180 kJ     What mass of propane, C3 H 8 , must be burned in order to produce 76,000 kJ of energy? Circle one: Is this reaction endothermic or exothermic? Additionally, rewrite the thermochemical equation in the other format. C 3 H 8 + 5O2 → 3CO2 + 4H 2 O + 2200 kJ       How much heat will be transferred when 14.9 g of ammonia reacts with excess oxygen according to the following equation? Circle one: Is this reaction endothermic or exothermic? Additionally, rewrite the thermochemical equation in the other format. 4NH 3 + 5O2 → 4NO + 6H 2 O ∆H = -1170 kJ

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How much heat will be absorbed when 13.7 g of nitrogen reacts with excess O2 according to the
following equation?
Circle one: Is this reaction endothermic or exothermic?
Additionally, rewrite the thermochemical equation in the other format.
N 2 + O2 → 2NO ∆H = +180 kJ

 
 
What mass of propane, C3 H 8 , must be burned in order to produce 76,000 kJ of energy?
Circle one: Is this reaction endothermic or exothermic?
Additionally, rewrite the thermochemical equation in the other format.
C 3 H 8 + 5O2 → 3CO2 + 4H 2 O + 2200 kJ
 
 
 
How much heat will be transferred when 14.9 g of ammonia reacts with excess oxygen according
to the following equation?
Circle one: Is this reaction endothermic or exothermic?
Additionally, rewrite the thermochemical equation in the other format.
4NH 3 + 5O2 → 4NO + 6H 2 O ∆H = -1170 kJ
 
 
 

10. How much heat will be absorbed when 38.2 g of bromine reacts with excess hydrogen according
to the following equation?
Circle one: Is this reaction endothermic or exothermic?
Additionally, rewrite the thermochemical equation in the other format.
H 2 + Br 2 + 72.80 kJ → 2HBr
 
 
 

All in In stoich format!!!
Thank you so much!

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