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what would be the effect on my calculated molecular weight of p-dichlorobenzene if my lab partner left the stopper off of the apparatus while I was weighing the solid p-chlorobenzene. Explain in detail what would happen if this occured and how it would affect my result.
A sample of vanadium haveing 5.67 grams of mass upon heating combined with oxegen of 4.45gramsto make vanadium oxide. Determine the emperical formula for this compound?
Compute the final x value using quadratic formula If two moles of caron mono oxide gas and one mole of chlorine gas are placed in the vessel and heated to 500 Kelvin temperature to start the reaction?
A solution containing Pt4+ is electrolyzed with a current of 4.20 A. How long will it take to plate out 65% of the platinum in 0.50 L of a 0.010 M solution of Pt4+
A sample of gas with an initial volume of 32.5 L at a pressure of 760 mmHg and a temperature of 315 K is compressed to a volume of 16.3 L and warmed to a temperature of 435 K
A 0.150- M solution of chloroacetic acid (HC2H2ClO2) has a pH of 1.86. What is the value of Ka for this acid and the percent ionization?
What ions have a larger radius than their parent atom. What is the effect on atomic properties of increasing nuclear charge
A stock solution is prepared by adding 21 mL of 1 M AlCl3 to enough water to make 76 mL. What is the Cl- concentration of 40 mL of the stock solution?
The complete combustion of acetylene, C2H2(g), produces 1300. kJ of energy per mole of acetylene consumed. How many grams of acetylene must be burned
An unknown acid has a molar mass of 90. g/mol and a mass composition of, 40%-C, 6.7%-H, and 53.3% -O. What is the molecular formula of the acid
An empty vial weights 31.45 g. If the vial weighs 179.56 g when filled with liquid mercury (d=13.53g/cm3), what is its volume
Carbonyl fluoride, COF2 , is an important intermediate used in the production of fluorine-containing compounds. For instance, it is used to make the refrigerant carbon tetrafluoride
Reduction of Conjugated Ketones with Sodium Borohydride, Suggest mechanisms of reaction for 1,2-addition and for conjugate addition (1,4-addition) of NaBH4 to a conjugated
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