Who first proposed the concept of free energy? a. Gibbs
b. Lavoisier
c. Dalton
d. Hess

Which other elements contain the same number of outer electrons as sodium

What is the correct equation for cellular respiration?

Before it was launched, a helium-filled balloon had a pressure of 201 kpa at a temperature of 27°c. at an altitude of 15,000 m, the pressure had decreased to 2.5 kpa and the temperature had dropped to -14 °c. the volume of the balloon increased to 59.3 m3. what is the original volume of the balloon? 13 m3 0.85 m3 0.077 m3 1.17 m3