How many molecules of butane (C 4 H 10 ) are contained in 5.70 * 10 ^ 5 The answer should be provided in scientific notation.

Draw any one of the skeletal structures of a 2° alkyl bromide having the molecular formula of c6h13br and two stereogenic centers. indicate chirality by using wedge and hashed wedge notation. lone pairs do not need to be shown.

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

Do polar molecules have ionic bonds?