Carbon and oxygen bond to form carbon dioxide. what is the chemical formula for each of the reactants? a. c2 and o b. c2 and o2 c. c and o2 d. co2 and o2

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.

All motion is caused by force? true or false

No copying 15 pts how does a free-body diagram tell you about the net force on an object?