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A convenient unit for describing the mass of an atom; 1 amu=1/12 the mass of a carbon-12 atom?
Problem- Provide a brief explanation for the observation that macromolecules diffuse at a slower rate in the cytosol than they do in dilute solution.
draw two lewis structures for cl2o7 one with a chlorine-chlorine bond and one with a cl-o-cl arrangement of atoms.
There are three different possible structures known as isomers for a dibromoethene molecule, C2H2Br2. One of them has no net dipole moment, however the other two do. Depict a structure for each isomer. Comprise H atoms.
if 625g of fe3o4 is produced in the reaction, how many molecules of hydrogen are produced at the same time?
Calculate the molarity of S2O32- if 3.0 mL 0.10 M K2S2O8, 2.0 mL 0.10 M K2SO4, 1.0 mL 2% starch, 2.0 mL 0.010 M Na2S2O3, and 5.0 mL 0.20 M KI are mixed.
gasohol is a mixture of 90 gasoline and 10 ethanolch3 ch2 oh. ethanol is considered anenviornmentally friendly fuel
Dissolved oxygen in water will oxidize an alkaline suspension of Mn(OH)2 to Mn(OH)3: O2(g) + 4Mn(OH)2 + 2H2O = 4Mn(OH)3 Upon being acidified the manganese(III) hydroxide produced will oxidize iodide to iodine,
pairs of soluble solutions can be mixed. In some cases, this leads to the formation of an insoluble precipitate. Decide, in each case, whether or not an insoluble precipitate is formed.
The Rydberg constant depends on the mass of the nucleus. What is the difference in wave numbers of the 3p->1s transition in hydrogen and deuterium
The air in a laboratory was measured with a barometer to be 7.40 x 10^2 mm Hg. What is the laboratory air pressure in atm?
What are the normal boiling points of cyclohexane and toluene. Without looking up the actual value, which has a higher vapor pressure
methyl benzoate is an ester which is synthesised from benzoic acid methanol and sulfuric acid. methyl benzoate has a
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