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Ethylene glycol (HOCH2CH2OH), used as an antifreeze, is produced by reacting ethylene oxide with water. A side reaction produces an undesirable dime, DEG:C2H4O + H2O----> HOCH2CH2OHHOCH2CH2OH + C2H4O-----> HOCH2CH2OCH2CH2OHThe reactor feed is 10 gmol/min ethylene oxide and 30 gmol/min water. Why is water excess reactant? If the fractional conversion of ethylene oxide is 0.92 and the selectivity is 0.85, what is the reactor outlet composition and the yield?
What is the positional entropy at absolute zero for two moles of CF3Cl?
a compound contains 78.14 boron and 21.86 oxygen. determine the empirical formula for this compound. need help
Which one of the following pairs is a conjugate acid-base pair?
What are the boiling point and freezing point of a 2.58 m solution of naphthalene in benzene. (The boiling point and freezing point of benzene are 80.1°C and 5.5°C, respectively.) boiling point °C freezing point °C
How many photons strike the CD surface during the playing of a CD 69 minutes in length?
the enthalpy change is 25.8 KJ. How many grams of H2 gas are produced? and d: How many KJ of heat are released when 50.9 g of CO gas reacts completely with H2 to form CH3 OH at constant pressure?
Calculate the amount of heat (calories) absorbed when 50.0g of water at 20deg. Celsius spreads over your skin and warms to body temperature, 37deg. celsius.
Does the octet rule mean that a diatomic molecule has 16 valence electrons? Select from the following:
Calculate the fraction of lidocaine present in the form LH . MOPS Buffer Ka = 6.3 × 10-8. Lidocaine Kb = 8.7 × 10-7
Sometimes during a reaction contamination can be introduced into the sample. If this happens which of the following would be true about the mass of the sample if it were contaminated
Which of the following molecules do you think would be subject to the Pauli principle's effects on rotational levels? (Check all that apply) a. methane b. dihydrogen c. HCl d. water e. dinitrogen f. dinitrogen where one atom is isotope 14 and the ..
sodium carbonate na2co3 is used to neutralize the sulfuric acid spill. how many kilograms of sodium carbonate must be
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