20 grams of h₂s react with 20 grams of o₂. what is the limiting reagent?

h₂s

o₂

so₂

h₂o

Identify the electromagnets with poles that are reversed from the electromagnet shown above

List and describe the neurological effects of the vocs and other air pollutants,as described by dr.theo colborn

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