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Describe a carbon nanotube and the physical properties of a nanotube compared to the other allotypes of carbon. What are the ares were it appears nanotubes will be used in the future.
Calculate the pH and molar concentration of each protonated form for a 0.133 M solution of NaHA.
Calculate the mass/mass percent concentration for each of the following solutions. 1.) 1.05g NaCl in 95.0g of solution 2.) 2.00g K2Cr2O7 in 103.0g of solution 3.) 50.0g C6H12O6 in 125.0g of solution
Why is it important to use a large excess of sodium borohydride when doing a reduction in aqueous ethanol. Consider what reaction might occur between water and sodium borohydride.
what would be the chemical equation to this problem? In an investigation of the reaction between copper(II) ions, Cu2+, and hydrazine, N2H4, in alkaline conditions the following observations were made: 25 mL of a solution containing 25 g/L CuSO4.5..
consider a situation in which 235g of p4 are exposed to 272g of o2. what is the maximum amount of p2o5 that can
Calculate the weight of benzene codistilled with each gram of water and the percentage composition of the vapor produced during a steam distillation. The boiling point of the mixture is 69.4°C is 227.7 mmHg.
Indicate if you would expect a disruption of the three-dimensional structure of a protein if the following substances were added and briefly state why
The value for Ksp for manganese(II) hydroxide, Mn(OH)2, is 1.6 x 10^-13. Calculate the molar solubility of Mn(OH)2 in a solution that contains 0.020 M NaOH.
A buffer contains 0.16mol of propionic acid (C2H5COOH) and 0.17mol of sodium propionate(C2H5COONa) in 1.20 L. 1)What is the pH of this buffer?
In which pair of substances below does the substance with the greater entropy not follow the substance with the lesser entropy
what is the purpose of using acetic anhydride in an experiment reacting with salicylic acid to produce acetylsalicylic
Acetic acid(HC2H3O3) is an important ingredient of vinegar. A sample of 50.0mL of a commercial vinegar is titrated against a 1.00M NaOH solution. What is the concentration(inM) of acetic acid present in the vinegar
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