If 22.5 L of nitrogen gas at 3.5 atm are compressed to 0.8 atm at constant temperature, what is the new volume? Assume amount of gas remains constant.

Asample of radium-226 will decay 1/4 of its original amount after 3200years. what is the half-life of radium-226?

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?

Some familiar products contain some of the same types of atoms. for instance, the chemical formula for baking soda is nahco 3. the chemical formula for liquid bleach is naclo, and the chemical formula for table salt is nacl. which choice best describes why these three products have some of the same types of atoms in common?