The human body is 60% water. Water has a molar mass of 18.02 g/mol. If a person weighs 75 kg (75,000 grams), how many moles of water would that person contain? 

What is the oxidation state of each individual carbon atom in c2o42−?

What powdery mineral is a health hazard when airborne?

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