How many moles of sodium metal are needed to make one mole of the final product? OH OH он з -> OH OH -OH OH OH он он a. two b. none of the other answers c. one d. four e. three What is the byproduct of the following reaction, not the phenylthiohydantoin? 1. PhN=C=S 2. F3CCOH byproduct? a. Leu-Ala b. Leu-Val c. Ala-Val d. none of the other answers

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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.