Please help i have a huge chem test!

What is lincoln's purpose in writing this speech? question 1 options: to stress the difficulties of war to honor those who died in the war to call for an end to the war to call the country to join a new war

Aphysical reaction is a process in which one or more reactants change into one or more products with different properties. select the best answer from the choices provided t f

If 1.8 l of water is added to 2.5l of a 7.0 m koh solution, what is the molarity of the new solution