At 485 mm Hg, a sample of nitrogen gas occupies 496 What volume does the gas occupy if the temperature remains constant and the pressure increases to 756.7 mm Hg ?

2. how is heavy water different from normal water

How many moles of magnesium is 3.01 x10^22 atoms of magnesium?

If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.