Suppose you start out with only reactants. the initial partial pressure of N2(g) is 0.675 atm and that of O2(g) is 0.472 atm. what are the partial pressure of each gas when the system reaches equilibrium?

Assume that the variables x and y are inversely related. if k = 18, what is the value of y for each of the following points? be sure and record your data to be used in the following problem.

In this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced?

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