Which of these changes involve forming or breaking new bonds?

a-rusting and cuting

b-boiling and melting

c-burning and digesting

d-burning and melting

Which coefficients are required to correctly balance this equation? C2H2+O2 CO2+H2O

Balanced chemical for hydrochloride acid and sodium hydroxide

Miriam notices when she goes to the beach that sometimes the water rises as high as the pier. At other times of the day, the water barely covers the pillars under the pier.

Convert 1.22 mol sodium to grams

Why does one Oxygen atom bond with two Hydrogen atoms to form water? Why don't they bond in a different ratio?

How does phosphorus enter the human body?

When a reaction occurs between atoms with ground state electron configuration 1s2 2s1 and 1s2 2s2 2p5 the predominant type of bond formed is

How does heat transfer takes place between any two systems?

Hydrate name of CaCl2 * 8 H2O

Calculate the heat evolved from a mixture of 14.1 l of sulfure dioxide