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The bond length in an HI molecule is 1.61 angstrom and the measured dipole moment is 0.44 D. What is the magnitude (in units of e) of the negative charge on I in HI? (1 debye=3.34x10^-30 Cm; e=1.6x10^-19)
How many grams of phthalic acid o-C6H4(COOH)2 would be neutralized in 16.2 ml of a 0.100N NaOH solution?
One mole of an ideal monatomic gas initially at 300K is expanded from an initial pressure of 10 atm to a final pressure of 1 atm. Calculate change in E, q, w, and change in H and the final temp if the expansion is carried out according to each of ..
The shielding of electrons gives rise to an effective nuclear charge, Z eff which explains why boron is larger than oxygen. Estimate the approximate Z eff felt by a valence electron of boron and oxygen, respectively
the electron microscope has been widely used to obtain highly magnified images of biological and other types of
How many micrograms are present in 2.3469 g? 1g= 1x10^6 micrograms. Please show your work and use significant figures in the answer.
Solve an equilibrium problem (using an ice table) to calculate the pH of each solution. A solution that is 0.20 M in HCHO2 and 0.14M in NaCHO2
Calculate the number of calories needed to increase the temperature of 50.0 g of copper metal from 21.0 degrees C to 75.0 degrees C. Given, the specific heat of copper is 0.382 cal/g x degrees C.
Define Supercritical fliud. Give an example and it's properties. Which fundemental thermodynamic property is important to the solubility
The normal boiling and freezing points of substance X are 87.3 K and 84.0 K respectively. The triple point is at 82.7 K and 0.68 atmosphere. a. Draw a phase diagram for substance X. Label the regions in which the s,l, and g phases are stable.
aluminum may be formed by the passage of 60,714 C through an electrolytic cell that contains a molten aluminum salt.
The initial concentration of P is 0 M. What are the equilibrium concentrations of M - N and P
water is flowing through the pipeline, and (b) also when air at atmospheric pressure and 20oC with a density of 1.20 kg/m3 is flowing in the pipeline.
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