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Ethanol is frequently present in solvent -grade diethyl ether. If this grade rather than anhydrous were used what effect would the ethanol have on the formation of the grignard reagent?
suppose sulfur dioxide reacts with oxygen at 25 degrees celsius.2so2 g o2 g -gt lt- 2so3 gthe equilibrium constant kc
a 10.0-g sample of ice at -20.0degc is mixed with 105.0 g of water at 75.0degc. calculate the final temperature of the
An enzyme-catalyzed reaction was carried out in a 0.2M "Tris" buffer, pH 7.8. As a result of the reaction, 0.03 mole/liter of H+ was produced. (pKa of Tris =8.1). What was the ratio of Tris+
With respect to the condenser utilized in an apparatus for simple distillation why the lower rather than the upper be used for the water inlet?
Explain how do the bond angles of PH3 and H2S compare. If different make clear why? How do the electronic and molecular geometries compare
If a 1.67 g piece of gold is hammered into a sheet whose area is 49.2 ft2, what is the average thickness of the sheet?
Write the reaction mechanism (using arrows) of 6-ketoheptanal + NaOH to form the product 1-cylclopentyl methyl ketone. What type of reaction is this?
The mass percent of an element in a compound is the mass of the element (total mass of the element's atoms in the compound) divided by the mass of the compound (total mass of all atoms in the compound) times 100%. What is the mass percent of each ..
Determining the Lewis structures of small compounds is the first step towards determining the molecular shapes of larger and larger molecules.
Compute the ratio of potential energies for the interaction of a water molecule with anAl3+ ion and with a Be2+ ion. Take the center of the diople to belacated at Rion + 100.pm. Define which ion will attract a water molecule more strongly
a cube of solid benzene c6h6 at its melting point and weighing 8.37 g is placed in 19.3 g of water at 38.8 degc. given
A technician obtained the following results for the concentration (mg/dL) of cholesterol in a blood sample: 240, 252, 242, 238, 239, and 236. The technician re-measured the cholesterol in the same blood sample using a different method.
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