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The comosition of the hull of a submarine is mostly iron. pieces of zinc, called zincs are placed in contact with the hull throughout the inside of the submarine. why is this done
What is the mass of a rectangular piece of copper 24.4cm x 11.4cm x 6.6cm? The density of copper is 8.92 g/cm^3.
A 55 mL sample of 0.15M Ca(OH)2 is neutralized by 47.2 mL of HBR. What is the molarity of the acid?
Use the information given to calculate the enthalpy of formation of 3-Pentanol. a. +1204 kJmol-1 b. +2637 kJmol-1 c. -7000 kJmol-1 d. -372 kJmol-1
Write a balanced chemical equation for the reaction: Na2CO3 and AgNO3? And Its ionic equation please
a beam of 632.8 nm photons from a he-ne laser strikes a detector area of 5.0 mm2. the laser has a flux of 3.18 x 1015
A solution contains some or all of the ions Cu^{2+}, Al^{3+}, K^+, Ca^{2+}, Ba^{2+}, Pb^{2+}, and {NH_4}^+. The following tests were performed, in order, on the solution
During a acid catalyzed dehydration of 2-octanol. Why is trans-2-octene the major product instead of cis-2-octene
The mixture was stirred, causing all of the sample to dissolve. The excess HCl in the solution required 38.4 mL of 0.164 M NaOH for complete neutralization in a titration. What was the molecular formula of the white substance
CCl4 dipole-dipole dispersion ion-dipole ion-ion (b) CsBr dipole-dipole dispersion ion-dipole ion-ion (c) BaCl2 dipole-dipole dispersion ion-dipole ion-ion
you have a stock solution of 14.8m ammonia. determine how many milliliters of this solution should you dilute to make
The amino acid glycine is often used for biochemical buffers. The amino group of glycing can exist in a protonated form or as a free base (pKa 9.6).
One of the most common causes of inaccurate melting points is too rapid heating of the melting point bath. Under these circumstance
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