Intensive or Extensive? The shipping cost of a book(depends on weight)
The number of pages in the first chapter.
The number of pages in a book.

Which metal exist in liquid state and can be cut with knife ?

A5.000 g sample of niso4 h2o decomposed to give 2.755 g of anhydrous niso4. what is the formula of the hydrate? what is the full chemical name for the hydrate? what is the molar mass of the hydrate? niso4•_h2o what is the mass % of water in the hydrate?

When the mercury level in a barometer decreases that atmospheric pressure has