50 grams of water is placed into a beaker the mass of the beaker is now 115 grams what is the mass of the empty beaker

Which of the following methods uses the decay of atomic particles in an object to find its exact age? a. fossil dating b. geologic dating c. radioactive dating d. relative dating

Describe the interaction that occurs between two objects with the same electrical charge.

When hydrochloric acid reacts with potassium hydroxide solution, the following reaction occurs. hcl (aq) + koh (aq) h2o (l) + kcl (aq) the reaction gives off heat energy, so it is an reaction.