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Many atomic dimensions are measured in Angstroms, 1 A= 10^-10m. What is the wavelength in angstroms of red light with a wavelength of 754nm? The scandium III ion has a radius of .81 angstroms, what is the radius in picometers?
Question- How many grams of strontium may be formed by the passage of 43.8 amps for 7.31 hours through an electrolytic cell that contains a molten strontium salt
Calculate the expected change in temperature for 1.7 g of NH NO dissolved in 50.0 2 cal mL of H O. Assume that the calorimeter absorbs no heat. (ie. C =0)(Remember to use dimensional analysis
for Drying agents, for desiccants, are sometimes used to keep humidity low inside packaged goods(like leather shoes and purses, or camera equipment). What type of substance encountered in this experiment might serve well as a desiccant
The esterification reaction of acetic acid with ethanol to give ethyl acetate proceeds with the following stoichiometry: CH3COOH + C2H5OH ----> H20 + CH3COOC2H5.
What is the composition of the purge stream. What is the flow rate of gas leaving the separator. What is the flow rate of gas in the recycle line.
Rank the subsequent chemical species from lowest absolute entropy (So) (1) to highest absolute entropy (5) at 298 K?
Benzaldehyde is easily oxidized by air and produces a white crystalline material. What is the name of this oxidation product
Which of the following is less soluble in hexane, ethanol or CCl3H(l). Don't try to type the subscripts, just use letters and numbers.
What volume of .2 M Na2SO4 will completely react with 50 mL of .135 M Ba(NO3)2
compute the enthalpy change, (Delta H), for this reaction per mole of A. suppose that the specific heat =[4.18J/(g*Degrees C) and density=1.00(g/mL)?
When a reddish-brown bromine solution (the solvent is often carbon tetrachloride) is added to the alkene shown below, the brown color of the bromine solution disappears
What is the role played by rna and dna in genetic diseases, and are there any breakthroughs in the treatment and management of genetic diseases
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