You have two solid substance that look to see what measurement and tests whorls you perform to determine whether they are the same?

What is the value of keq for the reaction expressed in scientific notation

Consider the following reaction at equilibrium. 2co2 (g) 2co (g) + o2 (g) h° = -514 kj le châtelier's principle predicts that the equilibrium partial pressure of co (g) can be maximized by carrying out the reaction a. at high temperature and high pressure b. at high temperature and low pressure c. at low temperature and low pressure d. at low temperature and high pressure e. in the presence of solid carbon

Find the mass, in grams, of 5.00*10^23 molecules of f2