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Explain what is the purpose of washing the ether layer in separatory funnel with saturated aqueous sodium chloride in the synthesis of triphenylmethanol?
a) The aqeuous sodium chloride removes any remaining magnesium sulfate.
b) The aqeuous sodium chloride helps to remove water soluble impurities
c) Sodium chloride acts to remove the ether from the reaction mixture
What are the equations for Tin (IV) Chloride reacting with each of these? (ethanol, toluene, NaOH, dilute, HCL and conc HCL)
You work for a local chemical company. In your capacity as a chemist at this company, you developed a novel catalyst for the reaction with delta G = -10.5 kJ/mol at 50 degrees celcius For the uncatalyzed reaction at 50°C, the kf (the forward rate ..
If none of the available reagents can be used for this purpose, then identify another reagent from the table that could be used. For each reagent you've identified, write down a balanced chemical equation for the reaction that occurs.
Silver has only two naturally occurring isotopes 107ag with a mass of 106.90509 amu and an abundance of 51.84% and 109 ag with a mass of 108.9047 amu. calculate the atomic mass of silver.
The activation energy for the isomerization ol cyclopropane to propene is 274 kJ/mol. By what factor does the rate of this reaction increase as the temperature rises from 256 to 297 oC.
A compound composed of sulfur and fluorine is found to contain 25.24% by mass of sulfur. If the molar mass of the compound is 254.11 g/mol, what is its molecular formula?
From the subsequent Information, compute the standard change of enthalpy for the combustion of coal. Compound DeltaHf (kj/mol)
Oftern solutions can be hazardous in ways that are not necessarily related to ther acidity of basicity. Briefly comment on the hazards that you need to be aware ofwhen working with
Assume a weather balloon is a perfect sphere with radius, r=3m. Archimede's principle states that if something is less dense than air it will rise until its density is equal to the density of air it displaced. Assume air is 80% nitrogen and 20% ox..
r-134a is throttled from 1200kpa and 40oc to 200kpa. it is known that heat of 5kjkg is lost from r-134a to the
The vapor pressure of benzene is 100 mmmHg at 26.1 C. Calculate the vapor pressure of a solution containing 26 g of camphor (C10H16O) dissolved in 98.5g of benzene. (Camphor us a low-volality solid.)
It is written in chemical shorthand as NaCl. How would you go about finding approximately how much salt there is in our body
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