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An open test tube at 293 K is filled at the bottom with 24.2 cm of Hg, and 11.2 cm of water is placed above the Hg. Calculate the pressure at the bottom of the test tube if the atmospheric pressure is 756 mmHg. Use a density of 13.55 g/cm3 for mercury and 0.998 g/cm3 for water.
Give the answer in terms of
(a) dyne/cm2
(b) psia, and
(c) kPa
hittorf rule
During a titration with EDTA, using eriochrome black T as indicator to determine Ca 2+ , an analyst obtained the following volumes of EDTA in three different trials: 5.01, 4.93 an
all explanation
Volumetric method for acids and bases - chemical methods Molecular mass of an acid can be ascertained by dissolving a known mass of the acid in water and titrating the solution
Ask A mixture of water and graphite is heated to 890 K in a 10 L container. When the system comes to equilibrium it contains 0.875 mol each of CO and H2 and 0.289 mol of H2O and s
2+2
Explain Ethanolysis Ethanolysis of the acetal linkage occurs in ethanol just as hydrolysis occurs in water. An ethyl pyranoside is also produced from the glucose residue at th
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Q. What is the basic structure of Alkynes? Ans. Alcohols have the general chemical formula of ROH. The R stands for the rest of the molecule and is usually an alkyl group
Q. Show the Ionization of Acids in Water? Ans. Like ionic compounds, acids are electrolytes . When dissolved in water, acids break down into ions. Ionization refers to
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