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Question - Water is heated at a constant pressure of 0.7 MPa. The boiling point is 164.97°C. The initial temperature of water is 0oC. The latent heat of evaporation is 2066.3 kJ/kg. Find the increase of entropy of water, if the final state is steam.
for many material applications the mass density is an important parameter particularly in the transportation industry.
Determine the trend in sizes of the ions O 2- ,N 3- , F - and also explain why does the trend exist? Also describe which of the molecules contains polar covalent bonds but is NOT itself a polar molecule?
According to the equation, how many grams of sodium acetate will you need to add to 125 mL of 0.100 M acetic acid to make a pH=4.74 buffer. What is the actual pH of the resulting buffer when you add that many grams of sodium acetate to 125 mL of 0.1..
Question- The flask shown here contains 0.884 g of acid and a few drops of phenolphthalein indicator dissolved in water. The buret contains 0.310 M NaOH.
You are given a 1 M MgSO4-7 H2O solution and a 0.5 M EDTA solution. Calculate how to make a 100 mL solution containing 50 mM MgSO4 and 10 mM EDTA. List the amounts of all components including water.
An unequal stereoisomeric product mixture results from the reaction of trans-stilbene with pyridinium tribromide. What is the major product of this reaction and should there be any optical activity in a solution containing the product mixture?
When the following deuterium-labled isomer undergoes elimination, the reaction yields only trans-2-butene and cis-2-butene-2-d.
Five structural isomers have the formula C6H14. Where needed, draw the structure and give the IUPAC name of all five isomers
If the heat released during condensation goes only to warming the iron block, what is the final temperature (in ) of the iron block. (Assume a constant enthalpy of vaporization for water of 44.0.)
An orange compound was added to the top of a chromatography column. Solvent was added immediately, and the entire volume of solvent in the solvent reservoir turned orange.
Bromobenzene doesn't react with either sodium iodide in acetone, or with silver nitrate in ethanol. Draw the structure of bromobenzene, then explain.
Provide a clear and yet somewhat concise description of how solid-state chemical sensors work.
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