Chemistry, 19.08.2019 23:30 skylarschumacher7
Too much can slow and eventually stop the heart, and supplements should be taken only under the care of a physician.
a. niacin
b. potassium
c. iron
d. calcium
Answers: 1
Chemistry, 21.06.2019 15:30, hannah5143
Determine the empirical formula of a compound containing 40.6 grams of carbon, 5.1 grams of hydrogen, and 54.2 grams of oxygen. in an experiment, the molar mass of the compound was determined to be 118.084 g/mol. what is the molecular formula of the compound? for both questions, show your work or explain how you determined the formulas by giving specific values used in calculations.
Answers: 3
Chemistry, 22.06.2019 05:00, smartboy2296
Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change
Answers: 3
Chemistry, 22.06.2019 10:50, mi364
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.
Answers: 3
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