I NEN + 3 H-H → 2 H-N
H
H-H 436 kJ/mol
H-N 391 kJ/mol
N=N 914 kJ/mol
Calculate the AH for the reaction above using the given bond energies.
O-124 kJ/mol
0 -97 kJ/mol
O 959 kJ/mol
O 177 kJ/mol

This is a characteristic of the elements in the periodic table that shows a pattern. it may increase or decrease across or down the table.

Which statement correctly describes potassium iodide, ki? there is a one-to-one ratio of potassium ions to iodide ions. potassium gains electrons and iodine loses electrons during the reaction. the lattice is held together by potassium anions and iodide cations.

Draw a line graph showing the relationship between temperature in kelvin as a function of kinetic energy.