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A mixture is 10 mole % ethyl alcohol, 75 mole % ethyl acetate and 15 mole % acetic acid. calculate the mass fractions of each compound. what is the average molecular weight of the mixture? what would be the mass (kg) of a sample containing 25 kmol of ethyl acetate?
Draw structural formulas (full or condensed) and give the molecular formulas for the following compounds. a)2-methylpropane b)2,4-dimethylpentane c)2,2-dimethylpentane
Acetic acid flowing at the rate of 20kg pe min. Product p is of combination leaves at rate of 100 kg per minute. Determine the composition of p?
2 O3 (g) ? 3 O2 (g) (rate expression)
The stable allotropic form of phosphorus is P4, in which each P atom is bonded to three other P atoms. Draw a Lewis structure of this molecule and describe its geometry.
What is the pH when 100 mL of 0.1 M NH3 is titrated with 50 mL of 0.2 M HCl? pKa of NH4Br is 9.25.
What is the potential at the center of the sphere, if we take the potential to be zero infinitely far from the sphere
A container holds equal masses of methane gas (molar mass 16.05 g/mol) and oxygen gas (O2, 32.00 grams/mol) The partial pressure of CH4 is how many times the partial pressure of O2?
What is an anionic sulfide complex. Explain in terms of coordination chemistry, and show reactions of their formation. When do these complexes form. Are these complexes water soluble
What is the difference in electronegativity of CO, CS, SiO, SiS, SO, and NO and rate these molecules in order if increasing dipole moment
Why do we switch the solvent in chromotagraphy column and which solvent should be switched for
The tmeperature s increased to 1200 K, so that all CaC204 decomposes to form CaO according to the reactions, The density of the gas mixture at 1200K was 0.70501 g/L. What was the mass of the calcium oxalate initially placed in the vessl?
How many moles of oxygen are needed to react with 5.0 moles of ammonia? In the above reaction, how many moles of water can be produced from 256 grams of oxygen?
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