If every household in the US pledged to reduce their carbon footprint by the same amount as your family, how many tons of CO2 would we avoid putting into the atmosphere? (According to a 2011 report by the US Census Bureau, there are about 114,761,359 households in the US.) Show your calculations.

Idon’t understand this page, can someone ?

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

What properties would have caused early researchers to name hydrogen "inflammable air”