L 2.3.2 Quiz: Organization and History of the Periodic Table Question 2 of 10 How did Mendeleev arrange the known elements in his periodic table? O A. According to atomic number O B. According to the number of protons C. According to the number of electrons O D. According to atomic mass

If the mass of the products measured 120g what would the mass of the reactants a. 30g b. 60g c. 120g d. 240g

A100 kmol/h stream that is 97 mole% carbon tetrachloride (ccl4) and 3% carbon disulfide (cs2) is to be recovered from the bottom of a distillation column. the feed to the column is 16 mole% cs2 and 84% ccl4, and 2% of the ccl4 entering the column is contained in the overhead stream leaving the top of the column. calculate the mass and mole fractions of ccl4 in the overhead stream, and determine the molar flow rates of ccl4 and cs2 in the overhead and feed streams. 12. mw_ccla- 153.82; mw_cs2-76.14.

Why is retrograde motion an apparent motion