At 1000K, an equilibrium nixture in the reaction CO2 + H2 yields CO +H20 containts .276 mol H2, .276 mol CO2, .224 mol CO, and .224 mol H2O. a) what is K at 1000K? B) calculate delta G at 1000K C) in which direction would a spontaneous reaction occur if the

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

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?

How do dying stars contribute to the formation of planets