The standard enthalpy of a certain reaction is approximately constant at 125 kJ/mol from 800 K up to 1500 K. The standard reaction Gibbs energy is 22 kJ/mol at 1120 K. Estimate the temperature at which the equilibrium constant becomes greater than 1.

Agas mixture with a total pressure of 745 mmhg contains each of the following gases at the indicated partial pressures: co2, 245 mmhg ; ar, 119 mmhg ; and o2, 163 mmhg . the mixture also contains helium gas. part a what is the partial pressure of the helium gas? phe p h e = nothing mmhg request answer part b what mass of helium gas is present in a 10.2-l sample of this mixture at 283 k ? m m = nothing g request answer

Idon’t know how to solve this question

What are the three major branches of natural science? • earth and space science, life science, physical science •earth and space science, physical science, chemistry •physical science, life science, chemistry •life science, chemistry, physics