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which pair of compound form a hemiacetal
a. ch3ch2cho and ch3coohb. ch3cooh and ch3ch2ohc. ch3ch2cho abd ch3ch2ohd. ch3coch3 and ch3cooh
A 2.50 g sample of white solid was vaporized in a 345 mL vessel. If the vapor has a pressure of 985 mmHg at 180°C, what is the molecular weight of the solid.
If 28 mL of NaCl reacts completely with 46 mL of 0.44 AgNO3, what is the molarity of the NaCl solution? The reaction is: AgNO3 + NaCl = AgCl + NaNO3
The specific heat capacity of graphite is .71 J/gC. Calculate the energy required to raise the termperature of 283 grams of graphite by 112 degree C.
When 2-bromopropane reacts with ethoxide ion, two products are formed; one is the product of Sn2 substitution and the other is the product of E2 elimination.
Determine the new equilibrium concentration of hydrogen, if the hydrogen concentration is raised by 0.299 M?
At room temperature (20), milk turns sour in about 63 hours. In a refrigerator at 3, milk can be stored three times as long before it sours.
if it takes 6.02 kJ of heat energy to melt a mole of ice, how much heat is absorbed when 6.30 g of water melts?
Calculate the mass of water formed by the complete reaction of 758 g of propane (C3H8) with excess oxygen
A solution of ethanol (C2H5OH) in water is prepared by dissolving 57.0 mL of ethanol (density = 0.79 g/cm3) in enough water to make 255.0 mL of solution.
the density of aluminum is 2.70 gm/cm3 the density of chromium is 7.19 gm/cm3. if equal masses of Al and Cr are addede to equal vol of H2O in separate graduate cylinder which would have the greatest change in volume
What might you conclude about the structures of these 3 (X,Y,Z)compounds?
A student determines the mass of a bone to be 23.3751g. A 50 mL graduated cylinder contains 30.3 mL of water. When the bone is placed in the water-filled cylinder,
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