What is the half-life of a radioisotope if a 100 g sample becomes 50 g after 20 years?
O A. 50 years
O B. 20 years
O C. 25 years
O D. 10 years
SUBMIT

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.

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

An object displaces 652 ml of water. the volume of the object is: 0.652 cm³ 6.52 cm³ 65.2 cm³ 652 cm³