What location is 90 degrees away from the equator? A) The south pole
B) Polaris
C) Both A & B
D) The north pole

Exit what is the density of an object having a mass of 5.0 g and a volume of 45.0 cm3?

The term gas is limited to those substances that exist in the gaseous state at

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