True or false the boundaries between the five areas of chemistry are not firm

One or more substances changing into one or more substances is an example of a

The difference between the atomic number of an element and the element’s atomic mass is the number of ions.

*will mark you brainliest + 15 points ** why does the equilibrium of a system shift when the pressure is increased? a. to maximize the stress on the system b. to stop restoring equilibrium to the system c. to increase the total moles of gas in the system d. to decrease the total moles of gas in the system