Answer:
wow, that sounds very painful I wonder why she did it...?
Explanation:
Answer:decreases
Explanation:don’t ask questions
A conclusion is basically something over all you wrote. So basically what you can do for a conclusion is maybe write something about each paragraph(s) but make it short sorry if this is bad :(
Answer:
Energy is needed to break the bonds of H-H in H2 and Cl-Cl in Cl2
Energy is released when the H-Cl bonds form.
Explanation:
During a chemical reaction, energy is needed to break the bonds between reactants in order for reactants to recombine with each other to form products.
According to the collision theory, chemical reactions occur when reactant particles of appropriate activation energy collide with each other to form the products. This implies that energy must be absorbed in order to break Cl-Cl and H-H bonds in the reactants so that they can collide to form HCl. As the new bond is formed in the product, the excess energy absorbed by the reactants is given off.