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The isomerization of cyclopropane to form propene (shown below) is a first order reaction. At 760 K, 85% of cyclopropane changes to propene in 79.0 minutes
a) Calculate the reaction's rate constant (k) at this temperature.
b) Calculate the reaction's half-life (t1/2) at this temperature
Describe the basic steps involved in a gravimetric analysis. How does this procedure help us determine the identity of a compound or the purity of a compound if its formula is unknown?
Consider a cylindrical container partially filled with ethanol (C2H6O). Using the model in which ethanol vapor pressure is a result of equilibrium between the rate of ethanol evaporation and condensation.
The enthalpy change when 1 mol methane (CH4) is burned is -890 kJ. It takes 44.0 kJ to vaporize 1 mol water. What mass of methane must be burned to provide the heat needed to vaporize 1.00 g of water
layered 20 mL of 2% sebacoyl chloride (decanedioyl chloride)/hexane on top of the aqueous solution. And then we used forceps to draw the solid that forms at the interface A(nylon) into a thread and wound the thread around a test tube. (It was whit..
The density of the resulting solution is 1.12g/mol. What is the molarity of the solution?
Gas was obtained by boiling liquid nitrogen stored in a 175.0 L tank. What volume ofN2 is released at 0.940 atm of pressure and 25 C from a tank full of liquid N2(d=0.808g/mol)
C2H4 + 3O2 = 2CO2 + 2H2O if you start with 45 grams of ethylene (C2H4), how many grams of carbon dioxide will be produced.
sodium hydroxide is extremely soluble in water. At a certain temperature, a saturated solution contains 551g of NaOH (s) per liter of solution. Calculate the molarity of this saturated NaOH (aq) solution.
Describe in details how we can determine the acid dissociation constant Ka for a week acid HA , include the description of the titration method and how determine the Ka from the reaction curve
The heat of vaporization of liquid water is 40.67 kJ/mol, and the molar heat capacity is 75.3 J/(K*mol) for the liquid and 33.6 J/(K*mol)for the vapor.
Suppose that 347 mL of argon is collected over water at 25 ?C and 715 torr. Compute the volume of the dry argon at STP. The water partial pressure at 25 ?C is 23.8 torr.Answer in units of mL
the international unit for weighing diamonds carat 1 carat 200 mg exactly. determine the volume of a 0.76 carat
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