Which statement would be the most useful for deriving the ideal gas law?

Volume is directly proportional to the number of moles.
Volume is inversely proportional to the temperature.
Pressure is directly proportional to the volume.
Pressure is inversely proportional to the number of moles.

1)each group 16 element has how many valence electrons? ( )4 ( )6 ( )8 ( )16 2)how many dots appear in the dot structure for calcium ion, ca2+? ( )zero ( )one ( )two ( )eight 3) which of the following atoms forms a cation to obtain an octet of outer shell electrons? ( )magnesium ( )oxygen ( )fluorine ( )helium 4) an al3+ ion contains 13 protons and 10 electrons. ( )true ( )false 5) valence and non-valence electrons are represented in lewis dot structures. ( )true ( )false

What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion

If 1.8 l of water is added to 2.5l of a 7.0 m koh solution, what is the molarity of the new solution