2. here is a chemical equation:
ch4 + o2 → co2 + h2o
• balance this chemical equation.
• state what type of chemical reaction this is.
• what will accompany the products as a result of this reaction?
• discuss how your balanced chemical equation agrees with the law of conservation of mass.

Who examines and coordinates the cleanup of polluted sites?

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

Both ionic and molecular compounds form three dimensional repeating patterns called