the normal boiling point of liquid octane is 399 K. Assuming that it's molar heat of vaporization is constant at 36.3 kJ/mol, the boiling point of C8H18 when the external pressure is 1.23 atm is?

What happens when light is scattered?

If we compare and contrast electromagnetic waves with sound waves, all but one statement is true. that is a) sound waves require a medium to travel while electromagnetic waves do not. b) electromagnetic waves can travel through the vacuum of space while sound waves cannot. c) electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere. eliminate d) sound waves must bounce off of matter in order to travel while electromagnetic waves do not require matter to be present.

Which statement would indicate the presence of an acid