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the osmotic pressure of 0.010 M solutions of CaCl2 and urea at 25c are 0.605 atm and 0.245 amt respectively. calculate the van't hoff factor for the CaCl2.
Identifying dipolar ions, There is a question in my textbook that reads P-amino acid is not a dipolar ion, whereas glycine (aminoacetic acid) is not a dipolar ion- how do you account for this?
A 1.200 gram sample of C7H6O2 was dissolved in 11.42 grams of lauric acid, and it was determined that the freezing point of the lauric acid was lowered by 1.680 Celcius.
In the Balmer-Rydberg equation, what value of is used to determine the wavelengths of the Balmer series?
How many joules of heat are required to heat 143 g of aluminum from 55.0 oC to 66.5oC?
In an acid-base titration experiment, 50.00 mL of a 0.0500 M solution of acetic acid (ka=1.75 x 10^-5) was titrated with a 0.0500 M solution of NaOH at 25 degree C
what volume of 0.366M Ni(NO3)2 is required to completely react with 55.8 ml of 0.500M Na2CO3.
Find the pH of a solution that has a weak acid concentration of 1.72 M and a weak base concentration
Explain why triethylamine is a weaker base than dimethylamine or methylamine.
How much time (in minutes) will it take for the water heater to heat the 5.5 Liters of water from 23 Celsius to 49 Celsius?
A researcher conducts an experiment to determine the work function of a palladium surface. She fires a laser with a wavelength of 254 nm at a certain time and observes electrons hitting a detector
If solubility of a gas is 7.5 g/L at 404 kPa pressure, what is the solubility of the gas when the pressure is 2021 kPa?
After equilibrium was established, which of the ions listed below was present in the greatest concentration?A) H2C6H5O7^-
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