What inference can be drawn from the graph? A+B = C+D
45
40
35
30
25
Concentration
20
15
10
5
0
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
3 6
Time (seconds)
О А. The reaction between A and B is reactant favored.
OB B. The amount of product is greater than the amount of reactant
C.
The reaction uses all its reactants to form products.
D.
The reaction reaches equilibrium at 1.5 seconds.
The amount of reactants is highest at equilibrium
E.

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 happens when the temperature of a solution increases?

The grooves or folds of the brain are called