Propanol, C3H7OH, consists of mostly bonds and it might be expected to dissolve only in hexane, however, the C-O and O-H bonds allow this compound to dissolve in water. A)
polar covalent, ionic

B)
metallic, polar covalent

C)
polar covalent, nonpolar covalent

D)
nonpolar covalent, polar covalent

Why should the scientific method be used to answer a question? a. it provides a way to test an idea without any bias. b. it provides a way to test a hypothesis. c. it provides a way to ensure all hypotheses are proven correct. d. it provides a way to quickly turn a hypothesis into a scientific theory.

The table lists the lattice energies of some compounds. compoundlattice energy (kj/mol)lif            –1,036licl            –853naf            –923kf            –821nacl            –786which statement about crystal lattice energy is  best  supported by the information in the table? the lattice energy increases as cations get smaller, as shown by lif and kf. the lattice energy increases as the cations get larger, as shown by lif and licl. the lattice energy decreases as cations get smaller, as shown by nacl and naf. the lattice energy decreases as the cations get smaller, as shown by naf and kf.

Δu of , in kj/kg, as it isto k, (a)as a of , (b) at , (c) at .