1. Materials or substances such as minerals, forests, water, and fertile land 7 points that occur in nature and can be used for economic gain= *
Solar Energy
Soil
Oil
Coal
Fish
Birds
Trees
Plants
Water
Oceans
Timber
Energy
Metals
Flowers
Animals
Minerals
Oxygen
Natural Gas Fossil Fuels
Atmosphere
resources
ideas

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