A chemist fills a reaction vessel with 4.75 atm nitrogen (N2) gas, 9.57 atm oxygen (02) gas, and 0.695 atm nitrogen monoxide (NO) gas at a temperature of
25.0°C.
Under these conditions, calculate the reaction free energy G for the following chemical reaction:
N2(g)+02(g) 2NO(g)

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 twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?

What is a difference between a mixture of elements and a mixture of compounds