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

What lessons does the history and study of the periodic table offer to other fields of science, and the pursuit science more generally

When a chemist collects hydrogen gas over water, she ends up with a mixture of hydrogen and water vapor in her collecting bottle if the pressure in the collecting bottle is 97.1 kilopascals and the vapor pressure of the water is 3 2 kilopascals, what is the partial pressure of the hydrogen?

Is ice cream a mechanical mixture or solution why?