The equilibrium constant for the acid ionization of mercaptoethanol (HSCH,CH,OH) is 1.91 x 10-10 HSCH CH,OH(аq) 3 H (аq) + SCH-CH,OH (аq) Which of the following is true regarding this equilibrium? The reaction is product-favored. The reaction is reactant-favored. I. II. III. Equilibrium lies far to the right. Equilibrium lies far to the left. IV. ONone of these OI and IV O II and III OI and III IL and IV

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Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.