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Estimate the solubility of silver iodide in pure water at 25 degrees Celsius (a) in moles per liter and (b) in grams per liter.
Suppose that coal of density 1.5 g/cm3 is pure carbon. (It is, in fact, much more complicated, but this is a reasonable first approximation.)
A multiple stage evaporate process concentrates a weak solution of LiOH from 4.48 wt% to 26.78wt%. This evaporator processes 10 metric tonnes of solution each day.
Calculate the entropy change for each of the following reactions. Justify why these are physically reasonable answers.
When concentrated sulfuric acid (18.0 M) is added to sodium chloride, hydrogen chloride gas is formed.
A 2.446 g sample thought to contain only one volatile substance, MgCO3, was heated in a nitrogen atmosphere for 30 minutes. After cooling
List the following compouns from highest to lowest frequency.
Strontium carbonate decomposes upon heating to strontium oxide and carbon dioxide. Calculate the number of g of carbon dioxide produced by heating 10.7 g of strontium.
In this experiment we used ortho-vanillin and p-toluidine to form the imine. Why does the reaction mixture turn into a liquid when the ortho-vanillin and p-toluidine are initially mixed? What is the name or melting point of the product?
Concentrated sulfuric acid has a concentration of 18 M. How much concentrated sulfuric acid would be needed to make 255 mL of 1.0 M sulfuric acid?
Given the concentration of either hydrogen ion or hydroxide ion, use the ion product constant of water to calculate the concentration of the other ion at 298K.
Consider the titration of 100.0 mL of 0.100 M HNO3 by 0.200 M NaOH.Calculate the pH after 34.5 mL of NaOH has been added.At what volume (in mL) of NaOH added does the pH of the resulting solution equal 7.00.
When 4 g sample of NH4NO3(s) was dissolved in 60 g of water in a coffee-cup calorimeter, the temperature drops from 296 to 291 K.
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