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Consider a two dimensional potential box (where V= 0 if x is between 0 and a and if y is between 0 and b). Show one example that the energy is degernerated
What wavelength of light would you report in units of nm, if the light had a wavelength of 7.60 x 10-10 m?
Phosphorus pentachloride decomposes to phosphorus trichloride at high temperatures according to the equation
Naturally occuring chlorine has two isotopes, Cl-35, which has an atomic mass of 34.969 amu and Cl-37. If the average atomic mass of chlorine is 35.46 amu and its natural abundance is 75.53%
Sodium nitrate decomposes upon heating to form sodium nitrite and oxygen gas. This reaction is sometimes used to produce small quantities of oxygen in the lab. How many grams of sodium nitrate must be heated to produce 128g of oxygen?
An object made of aluminum has a mass of 8.37g. When it was placed in a graduated cylinder containing 20.0mL of water, the water level rose to 23.1mL. Calculate the density and specific gravity of the object.
Using graphical techniques, which form of chlorendic acid (neutral, mono-anionic, or di-anionic) is not responsible for the inhibitory effect
Calculate the pH of a 0.42 M solution of sodium acetate, CH3COONa. (Ka(acetic acid) = 1.8 x 10-5 )
If 120.9 mL of water is shaken with a gas at 0.860 atm, it will dissolve 0.00286 g of the gas. Estimate the Henry's law constant for the gas in water in units of g L-1 atm-1.
Inorganic phosphorous is spectrophotochemically measured in blood serum by formation of a reduced heteropoly acid (heteropoly blue) and comparison of its absorbance with a standard treated by the same procedure.
Solid lithium hydroxide is used in space vehicles to remove exhaled carbon dioxide. The products are solid lithium carbonate and liquid water
How many grams of the element nickel are contained in 10.0 g of a 10.2 wt % solution of nickel sulfate hexahydrate, NiSO4 . 6H2O (FM 262.85)?
The rate constant for the first order decomposition of SO2Cl2 is 1.37 x 10^-3 min-1 at a certain temperature. If the concentration is initially 0.500 M, predict it after 300 min.
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