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Which of the following substances is least likely to dissolve in (or be miscible with) water? a)CF4 b)CH3CH2-OH c)CH3-NH2 d)CH2CL2
an aqueous vinegar sample contains 4.4 acetic acid by mass and has a density of 1.006 gml. calculate the amount of
Consider the titration of a 25.0 mL sample of 0.100 M HC2H3O using 0.100 M NaOH as the titrant. Ka=1.8 x 10^ -5. Calculate the pH of the analyte after 10.00 mL of 0.100 M NaOH has been added. Use the Henderson-Hasselbalch equation.
determine the mass of this substance should evaporate in order to freeze 190 grams of water at 25 degree celsius
Calculate the change in Gibbs free energy for each of the following sets of ΔH ° rxn , ΔS ° rxn , and T .
Van der Waals constants can be found here. Use the ideal gas equation to calculate the pressure under the same conditions
how many grams of potassium bromide are required to prepare 350 mL of a .200 M solution.
Considor a beaker of water sitting on the pan of an electronic scale, giving a reading of 110.4g. A lead weight hanging from a string is suspended in the water and the mass reading on the scale increases to 127.9g.
If 200ml of 2.00M HCL solution is added to 400ml of 1.00M NaOH solution What molarity will the resulting solution NaCl have?
A sample of seawater consists of water, sodium ions, chloride ions, and several other dissolved salts. These ions and salts are evenly distributed throughout the water. Which term or terms could be used to describe this sample of seawater?
Based on this equation, what is the value of the Rydberg constant (R) in m^-1? (5 significant figures)
It is the universal solvent d. it does not participate in the reaction e. it is necessary for the formation of the bromonium ion
The small bubbles that form on the bottom of a water pot that is being heated (before boiling) are due to dissolved air coming out of solution.Use Henry's law and the solubilities given below to calculate the total volume of nitrogen and oxygen ga..
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