HELP what characteristics of an object is doubled has the greatest effect on the gravitational force between them.

a. their speed of motion

b. their masses

c. their distance from each other

d. their inertia

Idon’t understand this page, can someone ?

When you perform this reaction, what could remain at the end of the reaction? check all that apply. excess reactant aqueous copper chloride excess reactant aluminum oxygen product solid copper carbon dioxide product aqueous aluminum chloride water

Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.