How many elements are in Li2SO4?how many elements are in li2s 04 how many elements are in li2s 04

What are the spectator ions in 2h+ + so42- + ca2+ + 2r → caso4 + 2h+ + 21?

*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

This classification of drug typically changes the brain's chemistry and reduces its ability to create its own endorphins.