14. within a single use of the scientific method, which of the following steps can only be performed after data is collected? a. conclusions are drawn. b. the initial experiment is designed. c. controls and variables are chosen. d. the initial hypothesis is formed.

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