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During the cooling of the fired crucible, water condensed on the crucible wall before its mass measurement. Will the percent water in the hydrated salt be reported as being too high, too low or unaffected? Explain.
Some aromatic compounds also undergo nucleophilic substitution, propose a mechanism for this reaction and indicate what types of substituents would be expected to be most reactive
an unknown compound has the following chemical formula crohx where x stands for a whole number. measurements also show
How many ml of oxygen is dissolved in 50 ml blood plasma at 38 degrees C, if the partial pressure of oxygen in the plasma is 13.3 kPa?
Calculate the equilibrium constant at 40 K for a reaction with ?Ho = 10 kJ and ?So = 100 J/K.
Keq is 1.60 at 933 K for this reaction. H2(g) + CO2(g) H2O(g) + CO(g) Calculate the equilibrium concentration of hydrogen when [CO2] = 0.290 mol/L, [H2O] = 0.250 mol/L, and [CO] = 0.210 mol/L.
Explain in detail how you would prepare exactly 250 mL of a 4.75 M solution of sodium hydroxide, starting with solid NaOH.
Show by flow diagram the reaction equation for how you could resolve a racemic carboxylic acid [(+-)-RCOOH] using an enantiomerically pure amine
what is the chemical equation name and formula for the follwing?when strongly heated magnesium sulfide formed a yellow
The emulsifying agent from hand cream, a salt, is prepared from two chemicals. Write the structure of stearic acid.
15.0 mL of 0.50 M HCl is added to a 100.-mL sample of 0.496 M HNO2 (Ka for HNO2 = 4.0 × 10-4). What is the equilibrium concentration of NO2- ions?
A sample of 88.0 g CO2 is held at 291 K in a 50.0 L container. What is the pressure this gas exerts on the container. Express your answer in kPa. Enter only a numerical value
What is the [H+] of a solution prepared by mixing 100 ml of 0.1 M acetic acid and 50 ml of 0.1 N NaOH
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