HELP Given:

N2 + 3Cl2 → 2NCl3, ΔH = 464 kJ/mol

Use the given bond energies and the periodic table to calculate the energy change in the reaction.

The ΔH when 85.3 grams of chlorine reacts in the given reaction is

kilojoules.

He table below gives the atomic mass and relative abundance values for the three isotopes of element m. relative abundance (%) atomic mass (amu) 78.99 23.9850 10.00 24.9858 11.01 25.9826 what is the average atomic mass (in amu) of element m? 2.86 5.36 24.30 24.98