Dan described two layers of earth's atmosphere. layer a: allows long-distance radio communication layer b: separates outer space from earth's atmosphere which statement is most likely true? (5 points) layer a is the thermosphere and layer b is the exosphere. layer a is the exosphere and layer b is the thermosphere. layer a is the troposphere and layer b is the stratosphere. layer a is the stratosphere and layer b is the troposphere.
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Chemistry, 21.06.2019 18:40
Determine the mass of fuel required for the expected energy consumption in the united states for the next ten years. energy use per person per year in the united states = 3.5 x 1011joules base calculations on current population of 310,000,000.
Answers: 2
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
Dan described two layers of earth's atmosphere. layer a: allows long-distance radio communication...
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