In a chemical reaction, the difference between the potential energy of the products and the potential energy of the reactants is equal to the

(1) activation energy

(2) entropy of the system

(3) heat of fusion

(4) heat of reaction

Which element configuration is 1s2 2s2 2p6 3s2 3p5

How do particles of solids, liquids, and gases differ?

If 50% of radioactive element remains after 4000 years what what is the half life

What occurs in solvation? A.) Solvent molecules surrounds solute ions. B.) Ionic compounds are formed C.) Solute ions separate from solvent molecules. D.) Solvent molecules bind covalently to solute molecules.

What can you logically conclude about the relationship between full moon and lunar eclipse? A.) A lunar eclipse never occurs during a full moon. B.) A lunar eclipse occurs during all full moons. C.) A lunar eclipse can only occur during a full moon.

If the sum of the mass of the reactants is 12.5 what would be the sum of the products be? And explain how you know this

Name 5 types of alloys

What is the 3 types of matters

A sunflower turns its head toward sunlight. What triggers this behavior in a sunflower? gravity phototropism presence of nutrients presence of water

Enter your answer in the provided box. A sample of an unknown gas effuses in 14.5 min. An equal volume of H2 in the same apparatus under the same conditions effuses in 2.42 min. What is the molar mass of the unknown gas