Which best explains how fiber-optic technology benefits the field of medicine? O It allows doctors to view internal body structures to help them diagnose illnesses.
O It helps surgeons make more accurate repairs to broken blood vessels.
O It allows doctors to magnify cells so they can identify unhealthy cells that cause cancer.
O It helps surgeons make cuts that are smaller and less painful than traditional methods.

Agas diffuses 1/7 times faster than hydrogen gas (h2). what is the molar mass of the gas? 100.10 g/mol 98.78 g/mol 86.68 g/mol 79.98 g/mol

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?

Match the following vocabulary terms to their definitions. 1. amount of energy required to change 1 gram of material from the solid to the liquid state at its melting point 2. a measure of the kinetic energy of the particles of a substance 3. the amount of heat energy required to raise the temperature of 1 gram of liquid water from 14.5°c to 15.5°c 4. amount of energy required to change 1 gram of material from the liquid to the gaseous state at its boiling point 5. the amount of energy required to change 1 gram of a substance 1°c a. temperature b. latent heat of vaporization c. latent heat of fusion d. calorie e. specific heat