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At 20°C only 0.24 g of an organic acid "A" dissolves in 100. mL of water, but 2.70 g of the same acid dissolves in 100. mL of ether. Calculate the value of the partition coefficient.
A 0.1276 g sample of a monoprotic acid (molar mass=1.10 x 10^2) was dissolved in 25 mL of water and titrated with 0.0633 M NaOH. After 10 mL of base had been added, the pH was determined to be 5.57. What is the Ka for the acid
What is the Lewis structure, VSEPR type, molecular geometry, and bond angle for each of the following: NaClO2, KICl4,
Calculate the change in chemical potential of the 12g of carbon dioxide after being completely released from the cartridge at room temperature.
The final volume of the balloon is 1500 mL. The atmospheric pressure is 1.00 atm. What was the original pressure of HI in the cylinder before the release of HI
which of the following is a neutralization reaction?a. kcl nano3 --gt kno3 naclb. hno3 koh --gt h2o kno3c. h2o so3
Compound A has a parent peak of M+ = 95 m/z in its mass spectrum and shows a medium intensity sharp infrared absorption band at 2280 cm. The HNMR of compound A shows 3 signals in a 4:4:1 ratio.
calculate the number of moles of gaseous N2 contained in a sample of 300 ml of gas saturated with water vapour at 25 degree celcius and 95 kPa.
The mass of a cube of iron is 252 g. Iron has a density of 7.87 g/cm3. What is the mass of a cube of lead that has the same dimensions?
Which of the following compounds would have the lowest boiling point. a) CH4 b) HF C)K2O D) NO2 E) LiCl
how many calories are required to raise the temperature of a 150.g sample of gold from 25 Degrees C to 175 Degrees C
Write a series of nuclear equations to represent the bombardment of Al-27 with a neutron to form a product that then undergoes an alpha decay followed by a beta decay
What is the total pressure in a 11.0 L flask 20.0°C, which contains 0.127 moles of H2 and 0.288 moles of N2
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