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1. As mentioned before, our asteroid is in the shape of a sphere and has a mass of 1000 kilograms. Determine the density (in grams per cubic centimeter) of this asteroid if its diameter is known to be 1.2 meters. Useful information: 1 kg = 1000 g, 1 m = 100 cm, volume of sphere = 4/3 π r3. Remember that the radius of a sphere is equal to half its diameter. Show all of your work.
The emulsifying agent from hand cream, a salt, is prepared from two chemicals. Write the structure of stearic acid.
many enzymes are inhibited irreversibly by heavy-metal ions such ashg2 cu2 or ag which can react with essential
compute the momentum of a water molecule at normal conditions assuming its kinetic energy mv2 2 is equal to 3kb t2.
The concrntration of the alkane C20H42 (FM 282.55) in particular sample of rainwater is 0.2 ppb. Assume that the density of rainwater is close to 1.00 g/mL
What carbonyl compound would the following condensation product? Which of the following could result from a self-aldol condensation followed by dehydration?
A second solution containing an unknown quantity of the analyte as well as 55.5 uM of the internal standard produced peak areas of 251 for the analyte and 563 for the internal standard. Explain what is the concentration of the analyte in the second..
Calculate the concentration of all species in a 0.100 M phosphoric acid solution. These species include [H3O+], [H2PO3-], [H3PO3], and [HPO32-]. For phosphoric acid, Ka1 = 3.0 x 10^-2 and Ka2 = 1.7 x 10^-7. (Only two of the hydrogens are ionizable..
What is the molarity of a sodium hydroxide solution if 25.0 mL of this solution reacts exactly with 22.30 mL of .253 M sulfuric acid
Explore the relationship between structure and properties. Applications are optional.
Find the velocity of an electron emitted by a metal whose threshold frequency is 2.15×1014 {rm s^{-1}} when it is exposed to visible light of wavelength 4.76×10-7 {rm m}.
What is the reaction order with respect to each reagent for the following reaction. Then write the rate law equation.
Determine osmolarity of solution when 25.0 grams of aluminum chloride dissolves in 2.50 liters of H2O.
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