Given the equation: I + I → I2 + 35 kcal

This equation shows that the formation of an iodine molecule is an
A) endothermic process in which energy is absorbed
B) exothermic process in which energy is absorbed
C) exothermic process in which energy is released
D) endothermic process in which energy is released

How many moles of cu are needed to react with 5.8 moles of agno3? cu + 2 agno3 → cu(no3)2 + 2 ag

What prefix multiplier is appropriate for reporting a measurement of 5.57 ×10−5 m?

Using this reversible reaction, answer the questions below: n2o4 2no2 (colorless) (reddish-brown) -as the temperature increased, what happened to the n2o4 concentration? -was the formation of reactants or products favored by the addition of heat? -which reaction is exothermic? right to left or left to right? -if the change of enthalpy of this reaction when proceeding left to right is 14 kcal, which chemical equation is correct? n2o4 2no2 + 14 kcal n2o4 2no2, hr = +14 kcal n2o4 + 14 kcal 2no2 n2o4 2no2, hr = -14 kcal