50 POINTS!! PLEASE HELP! What is the original pressure of 20.0L of compressed gas if the pressure changes to 560.0mmHg when the volume is decreased to 15700mL?

If two atoms are bonded to a central atom with no lone pairs,how will they be arranged

Consider the following reactions. (note: (s) = solid, (l) = liquid, and (g) = gas.) mg(s) + ½o2(g) → mgo(s) + 146 kcal/mole h2(g) + ½o2(g) → h2o(g), δh = -57.82 kcal/mole what type of reaction is represented by the previous two examples?

Asubstance is a good conductor of electricity which of the following best explains a probable position of the substance in a periodic table