Which statement is the correct reason why reversible reactions may be classified as equilibrium systems?
A. At equilibrium, the total amount of product is greater then reactants. B. At equilibrium, the total amount of reactants is greater then products. C. The forward and reverse reactions occur at equal rates.* D. The forward and reverse reactions occur at unequal rates. 5) What is the volume of the liquid shown in the illustration to the left? A. 35.0 ml B. 36.0 ml C. 36.5 ml* D. 37.5 ml Question Stem with Rationales 6) Which of the following statements explains why a crystal that is invisible underwater becomes visible in air when removed from the water? A. The air’s index of refraction is the same as that of water B. The crystal can produce interference with light in air. C. The air’s index of refraction is different then that of water.* D. The crystal is a solid substance with a specific shape and size. This item requires the examinee to demonstrate the ability analyze information about the index of refraction of a crystal that becomes invisible when submerged underwater, but reappea
