Gay-lussac's law states:
a. the volume of a gas varies inversely with pressure.
b. the volume of a gas varies directly with pressure.
c. the temperature of a gas varies inversely with pressure.
d. the temperature of a gas varies directly with pressure.

The wilson chamber is used to study: direction, speed, and distance of radioactivity the intensity of radiation the appearance of individual atoms all of the above

Calculate the mass of 0.750 mol of the following substance. na3po4.

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