Chemistry, 29.10.2019 05:31 annette211pdd8v9
Astream of humid air containing 2.00 mol% h2o(v) and the balance dry air is to be humidified to a water content of 10.0 mole% h2o.
for this purpose, liquid water is fed through a flowmeter and evaporated into the air stream.
the flowmeter reading, r, is 105.0.
the only available calibration data for the flowmeter are two points scribbled on a sheet of paper, indicating that readings r = 21.0 and r = 54.0 correspond to flow rates vā
= 42.0 ft3/h and vā
= 100.9 ft3/h, respectively.
a) estimate the flow rate of the liquid water feed if the volumetric flow rate is a linear function of r.
i) v= ft3/h
ii) n= lb-mole/h
b) estimate the flow rate of the liquid water feed if the reading r is a linear function of v^0.5
i) v= ft3/h
ii) n= lb-mole/h
Answers: 3
Chemistry, 22.06.2019 03:00
Which of these would be caused by a chemical change? a) the formation of lava. b) sedimantary rock layering over time. c) metamorphic rock forming from igneous. d) metamorphic rock eroding to form sedimentary rock.
Answers: 3
Chemistry, 23.06.2019 06:30
1.17 mol hcl and 2.5 mol naoh react according to the equation hcl + naoh -> nacl + h2o . if the limiting reactant is hcl, determine the amount of excess reactant that remains. answer in units of mol.
Answers: 1
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