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Identifying an unknown hydrocarbonIs it possible to identify what the hydrocarbon is with just knowing the volume of it (9.61 ml), the mass (7.669 g/ml), density (0.798 g/ml)? Under tensor lamp, in ambient light, and in dark light there was no color noticed. It smelled somewhat like gasoline maybe and was smoky as far as combustion characteristics. Boiling point is unknown.
Possibly identified as Cyclohexene.
Can you identify what this may be and what the boiling point should be of the hydrocarbon?
Calculate the amount of heat liberated (in kJ) from 375 g of mercury when it cools from 89.2°C to 15.7°C
Determine the limiting reactant -reaction mixture initially contains no products
Calculate the energy in joules and calories lost when 10.0 gm ethanol, {C_2H_5OH}, cools from 62.5 0C to -46.0 0C?
A spoon was silver plated electrolytically in a Silver nitrate solution. If 0.750 grams of silver was deposited on the spoon at a constant current of twenty mili amperes, determine how long in hours did the electrolysis take?
A compound is found to be 30.45% N and 69.55 % O by mass. If 1.63 g of this compound occupy 389 mL at 0.00°C and 775 mm Hg, what is the molecular formula of the compound.
Two vessels are labeled A and B. Vessel A contains NH3 gas at 73 degrees C and vessel B contains Ne gas at the same temperature. If the average kinetic energy of NH3 is 7.1 10-21 J/molecule at 70 degrees C.
If the heat of combustion for a specific compound is -1390.0 kJ/mol and its molar mass is 61.39 g/mol, how many grams of this compound must you burn to release 821.90 kJ of heat.
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A laser pulse with wavelength 555nm contains 4.40mJ of energy. How many photons are in the laser pulse.
Calculate the dilution factor for all 7 test test tubes. Show all work/calculations. 0.1 ml of the solution from the serial dilution 10^-4, 10^-5 and 10^-6 was pipetted onto three separate agar plates.
The tabulated mass of Cl is 35.45 amu. The two dominant isotopes of naturally occurring Cl are 35Cl (34.97 amu) and 37Cl (36.97 amu).
By Solving this problem student is able to understand how to calculate theoretical and percent yields in an experiment - determine theoretical and percent yields for this experiment.
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