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The following pairs of solvents/solutions are not miscible. Which of the pair would sink to the bottom of the container?
a) pentane and waterb) methyl acetate and waterc) chloroform and waterd) 5% by weight sodium chloride solution in water and hexane
A sample of oxygen gas is collected over water at 25 degrees C. and a total pressure of 654 torr. The volume of gas collected is 500 mL. What mass of oxygen is collected? The vapor pressure of water is 25 degrees C at 23.8 torr.
Understanding the high-temperature behavior of nitrogen oxides is essential for controlling pollution generated in automobile engines. The decomposition of nitric oxide (NO) to N2 and O2 is second order with a rate constant of 0.0796 M?
an area of 1.15 m^2 and given that the acceleration due to gravity is 9.8 m/s^2, what is the mass of this column?
(a) Can you suggest a reason that accounts for this unusual behavior? (b) Suggest an experiment with labeled compounds that would confirm this mode of attack.
What is the purpose of putting anti-freeze in your car radiator? (Anti-freeze is usually Ethylene glycol)
write the rate law for each elementary reaction in the mechanism. D) if the first step is slow and the second one is fast, what rate law do you expect to be observed for the overall reaction.
The crystalline form of silver (Ag) is composed of face-centered cubic unit cells. If the density of silver is 10.48 g/cm3 at room temperature
Calculated the percentage of alcohol in the patient's body. State the chemical reaction that took place in the patient's body.
what is its empirical formula. A 0.2000 gram sample of a compound (vitamin C) composed of only C, H, and O is burned completely with excess O2 . 0.2998 g of CO2 and 0.0819 g of H2O are produced. What is the empirical formula?
If wave (a) has a wavelength of 1.0 m and a frequency of 3.0*10^8 cycles, what are the wavelength of wave
when you reduce benzoin with NaBH4, why do you get mostly the meso compound?
what common laboratory test of viscoelasticity does this test most closely correspond? Estimate the average life of the same tubing in the same rupture test at 30 deg C and 37 deg C
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