PLZ 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 react in the given reaction is ?
kilojoules.
Answer must be in the form of 3 significant figures!

Write a brief passage describing a neutral atom of nitrogen-14 (n-14). describe the number of protons, neutrons, and electrons in the atom, where each type of particle is located, and how the terms atomic number, mass number, and atomic mass are related to the particles. use the periodic table to you. 14 protons and eletrons since its a neutral atom

Suppose you wanted to make 100 grams of water. what is the molar mass of water (h2o)?

How is the atomic number of a nucleus changed by alpha decay