N2 + 3H2 3H2 -> 2NH3 A H = -92.2 kJ
During the above reaction, energy is -
A) absorbed
B) created
C) destroyed
D) released ​

What is the force of attraction between the particles in a salt crystal

Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?

Use the periodic table to complete this equation that represents nuclear fission processesun - ba c 3 n