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Simple distillation and Fractional distillation which method is more appropriate for separating the two unknown hydrocarbons?
What is the density of a block of marble that occupies 253 cm and has a mass of 752 g? Answer in units of g/cm
To identify a diatomic gas (\rm X_2), a researcher carried out the following experiment: She weighed an empty 1.00-\rm L bulb, then filled it with the gas at 1.10 \rm atm and 23.0 ^\circ\rm C and weighed it again.
Hexane is used to wash the solid product of a Sn1 carbocation reaction why is ice cold hexane used? and why does it need to be ice cold?
What is methanol's vapor pressure It boils at 65.0 °C and has a heat of vaporization ΔHvap = 37.4 kJ/mol. at 22.0 °C?
At beginning of the work up stage of the lab procedure, the two phase reaction mixture probably contains the following:
good primary standard for aqueous acid-base titrations. Calculate the mass, in grams, of KHP needed to produce 250. mL of a 1.50 M solution of KHP.
What is the pressure in millimeters of mercury of 0.0110 mol of helium gas with a volume of 208 mL at a temperature of 35 degrees C?
The Balmer series of transitions for the hydrogen atom result in absorption of photons that all originate from the n = 2 level. What are the longest and shortest wavelength photons in the Balmer sequence?
What is the maximum amount (in grams) of sulfur dioxide that can be produced by the reaction of 1380 g of dihydrogen sulfide with 2810 g of oxygen according to the balanced equation below
Experimentally the rate law is determined to be third order. under what conditions (if any) does your derived rate law agree with the experimental rate law
How many liters of chlorine gas, measured at STP, would be produced by the electrolysis of molten sodium chloride using a current
A sample of oxygen at 65°C under a pressure of 800 torr occupies 425 mL. What volume would it occupy at standard conditions
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