If the distance between a proton and electron is 0.50 nm, would you expect the force of attrac-tion to be greater than or less than 0.26 × 10 –8N?

What is the density of the black hole

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

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5