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For phenylanaline can be modeled as particle on a ring. Calculate the probability of finding electrons in one half of the ring from the ground state
how many moles of NaCl would be made by combining 20,000 moles of Na with 2 moles of Cl
What is the de Broglie wavelength of a 11.5 g hummingbird flying at 109 mph?
A container consists of CO2 gas at a temperature of 15 C and at a pressure of .990 atmospheres. The volume of the container is 500 mL. How many grams of CO2 would be in the container?
what volume of bleach (6%w/v=6g/100ml) would be required to oxidize 5.0 mL of methanol (density 0.890 g/ml) to methanone?
Calculating the molecular formula of an organic compound. Worked example, using fundamental formula and balanced equations.
An unknown sample of gas was put into a jar with a sample of nitrous oxide gas. The density of the gas is 1.098 g/L at 25 degree celcius when the atmospheric pressure is 756 torr.
Ideally what should the ratio between the three slopes (AlCl3 slope= 483.0 , CaCl2 slope= 421.4, and NaCl slope= 181.9) be? What are your actual experimental ratios?
which of the following exhibits dipole-dipole intermolecular forces: HBr, NBr3, SBr2, CBr4?
If 1.4% of the mass of a human body is calcium, how many kilograms of calcium are there in a 173-pound man?
What will happen to the equilibrium as OH- ions are added?
What is the heat change in J associated with 37 g of gaseous methanol at 89 oC changing to liquid at -64 oC?
The pH of a sample of rain is found to be 4.0. Calculate the percentage of HSO4- that is ionized in this sample, given that the acid dissociation constant for the second stage of ionization of H2SO4 is 1.2E-2.
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