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Thirty pounds of coal (analysis 80% C and 20% H ignoring the ash) are burned with 600 lbs of air (with a variable humidity), yielding a gas have an Orsat analysis in which the ratio of CO2 to CO is 3 to 2. What is the percent excess air?
It is proposed to produce ethylene oxide ((CH2)2O) by the oxidation of ethane (C2H6) in the gas phase:
C2H6 + O2 --> (CH2)2O + H2O
The ratio of the air to the ethane in the gross feed into the reactor is 10 to one, and conversion of ethane on one pass through the reactor is 18%. The unreacted ethane is separated from the reactor products and recycled in a gas recycle with purge. The products can be separated out. For 100 moles of ethane feed into the system, what is the ratio of the recycle stream to the feed stream, and what is the composition of the outlet gas from the reactor. Both answers should be functions of the purge fraction (use xp as the variable for the purge fraction).
Table gives some halides and oxides of the 3 d series elements, selected to show the range of stable oxidation states. These follow the similar trends as required in aqueous chem
the atomic number of element represents
The positive charge of an atom is: (1) Spread all over the atom (2) Distributed around the nucleus (3)Concentrated at the nucleus (4) All of these Ans: Concentr
formula of alocholic acidity
The electronic configuration of calcium ion ( Ca2 + ) is: (1) 1s 1 , 2s 2, 2p 6 , 3s 2 , 3p 6 , 4s 2 (2) 1s 1 , 2s 2 , sp 6 , 3s 2 , 3p 6 , 4s 1
In 2008, Safeway has converted all its trucks to bio-diesel B20 which is a mixture of 20% of bio-diesel produced from soybean and 80% of diesel in volume. It claimed that 34,000 to
names of different polyfunctional groups alon g with their structures
Calculation of empirical formula The steps included in the calculation are as follows, (a) Divide the percentage (%) of each element by its atomic volume. This gives th
I don''t understand the concept of normality and gram equivalent
Manufacture of cement Cement is a composite mixture of calcium silicates & calcium aluminates which is a popular material used for construction. 1) Raw materials : Raw material
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