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The hydrocarbon contains 93.75% carbon and 6.25% HYDROGEN. Calculate its empirical formula.
From your empirical formula and your experimental value for the molar mass, calculate the true formula.
Why is it necessary to add sodium chloride to the steam distillate before carrying out ether extraction
Calculate the standard cell potential (E^o) for the reaction X(s)+Y^+(aq)-->X^+(aq)+Y(s) if K = 5.33x10^-3
A sample of hydrogen gas collected at STP occupies a volume of 31.6 L. How many moles of gas does the sample contain? answer in mol please
What is the balanced equation for the formation of magnesium nitride from magnesium and nitrogen gas
Calculate the amount of heat transferred when 46.0 g of CH3OH is decomposed by this reaction at constant pressure.
Calculate the volume in liters of a 0.133mol/L copper (II) sulfate solution that contains 150.g of copper (II) sulfate (CuSO4).
25 ml of naoh 0.16 m is added to 50 ml of 0.1 m hcl. what is the ph of the final solution? what is the concentration of
Ultra-high-vacuum experiments are routinely performed at a total pressure of 1.0 x 10-10 torr. Calculate the mean free path of N2 molecules and the binary number of collisions, Z11, of N2 molecules (per liter per second) at 350 K under these condi..
A sample of chlorine gas in confinedin a 5.9L container at 220. torr and 27 degrees Celsius. How many moles of gas are present in the sample?
Calculate Delta E for a system that absorbs 744.0 kJ of heat from its surroundings and does 277.0 kJ of work on its surroundings.
in a bromine-producing plant how many liters of gaseous elemental bromine at 300 degrees celcius and 0.855 atm are
When 33.5 mL of 0.580 M H2SO4 is added to 33.5 mL of 1.16 M KOH in a coffee-cup calorimeter at 23.50°C, the temperature rises to 30.17°C. Calculate ?H of this reaction
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