In the reaction energy diagrams shown, reaction A is _____, and it occurs _____ reaction B.

How many grams of CO2 will be produced when 9.00 grams of Na2SO4 react according to the balanced reaction shown?               Na2SO4 + 2 C → Na2S + 2 CO2

In the following reaction which species is being oxidized and which is being reduced? 2 Cr (s) + 3 Cl2 (g) → 2 CrCl3 (s)

3120kJ/mol of heat is released in the reaction of benzene (C6H6)  with oxygen gas.  Is this reaction exothermic or endothermic?

How many grams of fluorine (F2) are required to produce 40.0 grams of FeF3 from the reaction shown?               2 Fe + 3F2 → 2 FeF3

When the following reaction is balanced the coefficient in front of oxygen is: ____ C8H18 + ____ O2 → ____ CO2 + ____ H2O

For the reaction of zinc with silver nitrate,  2.9 g of silver was produced.  The reaction should have theoretically produced 3.5 g.  What is the percent yield?

The position of the equilibrium for a system where K = 4.6 × 10-15 can be described as being favored to _____; the concentration of products is relatively _____.

The scientific principle which explains the observation that the amount of heat transfer accompanying a change in one direction is numerically equal but opposite in sign to the amount of heat transfer in the opposite direction is

Which of the following ionic compounds soluble in water?