What type of hazards do the standard pictograms represent?
(Multiple correct answers apply)
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Chemistry, 14.12.2020 21:00 bobbyhsu3751
What type of hazards do the standard pictograms represent?
(Multiple correct answers apply)
a) chemical
b) physical
c) health
d) environmental
Answers: 3
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Calculate the number of molecules present in 0.750 mol of mgo.
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Which of these conditions most likely produces an unstable isotope?
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Chemistry, 22.06.2019 10:50
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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How does the motion of particles in a gas change as the gas cools
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