15 which sample of copper has atoms with the lowest average kinetic energy? (1) 10.g at 45oc (3) 30.g at 25oc
(2) 20.g at 35oc (4) 40. g at 15oc

What is the oxidation state of each individual carbon atom in c2o42−?

What changes occur in the reaction indicated by the equation? check all that apply. the hydrogen nucleus loses protons. the oxygen nucleus gains protons. the bond in h2 is broken, and new bonds are formed between hydrogen and oxygen atoms. each electron associated with a hydrogen atom is shared with an oxygen atom.

What is the force of an object when it landed(sitting in the ground)