12g of magnesium ribbon was heated in a crucible. At the end of the reaction 20g of magnesium oxide had been produced. What mass of oxygen had reacted with the magnesium?

What must happen before a body cell can begin mitotic cell division

What is the value of keq for the reaction expressed in scientific notation

Vi limitens. vastery test select the correct answer. which statement explains why large atoms are more reactive than small atoms? a. large atoms have valence electrons farther from the nucleus and lose them more readily. b. large atoms have greater ionization energy, which they can utilize during a reaction. c. large atoms have a greater number of electrons that they can lose during a reaction. d. large atoms have more energy levels, so they have more energy to pass on in a reaction. reset next