How much heat is transferred when 100.0 g of CaO reacts with carbon to form CaC2 and CO?

Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.

Condensation happens when water vapor cools. true or false? ?

What are some natural measures of time