10. A tracer is a radioactive element whose pathway through which a chemical reaction can be followed. Tracers are commonly used in the medical field and in the study of plants and animals. Radioactive Iodine-131(I131) can be used to study the function of the gland assisting in detecting disease. a. Adrenal
b. Salivary
c. Pituitary
d. Thyroid

What does a particular point on a line of a phase diagram represent? o a. the maximum temperature a substance can exist at without bonds breaking b. the pressure created by the kinetic energy of molecules at a particular temperature c. the melting point or boiling point of a substance at a specific pressure d. the conditions in which temperature and pressure have equal effects on a substance

Name the intersection of plane bpq and plane cpq.

Areaction is first order with respect to reactant x and second order with respect to reactant y. which statement describes the rate law for this reaction?