Ammonia (NH3(g), AH = 45.9 kJ/mol ) reacts with oxygen to produce nitrogen and water (H2O(9), Hp = -241.8 kg
according to the equation below.
4NH3(g)+302(g) → 2N2(g) +6H2O(9)
What is the enthalpy of the reaction?
Use A Hexn=(He products) - ( Hireactants).
-3,572.1 kJ
-1,267.2 kJ
1,267.2 kJ
3,572.1 kJ

some of the qualities most frequently associated with the baroque are grandeur, sensuous richness, drama, vitality, movement, tension, emotional exuberance, and a tendency to blur distinctions between the various arts.

the electrical  conductivity  of asolution  of an electrolyte is measured by determining the resistance of thesolution  between two flat or cylindrical electrodes separated by a fixed distance.

2b2t

explanation:

2b2t

a gas, having a molecular weight of 13 kg/kmol and a kinematic viscosity of 0.25 cm2/s, flows through a pipe 0.25 m internal diameter and 5 km long at the rate of 0.4 m3/s and is delivered at atmospheric pressure.