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The Ksp of AgBr is 5.4 ´ 10-13 at 25 °C. Calculate the molar solubility of AgBr in 0.015 M NaBr(aq) at 25 °C.
Identify each of the following unbalanced aqueous reactions as an acid/base reaction (a), a redox reaction (r) or a precipitation reaction (p).
what is the balanced net ionic equation for the reaction below in acidic solution? enter the coefficient for each
What is the velocity of a hydrogen molecule after absorbing a photon @ 58.4 nm. What is the translational energy of the molecule in J mol-1
What substance (element on the periodic table) resides at the heart of the structure of vitamin B12? 2 points
what mass of the hydrate could be recovered from the solution? when separated from a h2o solution copper sulphate forms
whether these collisions are elastic or inelastic makes no difference as long as the walls are at the same temperature as the gas. Explain. Explain the kinetic molecular theory of gases
For analysis, a short peptide seven residues long is treated with FDNB, followed by complete acid hydrolysis and amino acid chromatography. What are the products of these steps. What kind of information can be obtained by amino acid chromatography..
The Ksp value for ferrous hydroxide is 1.6 x 10/\-14. Calculate the molar concentration of ferrous ion (Fe2+) in an aqueous solution that has been buffered to maintain a pH of exactly 10.00 and is saturated with Fe(OH)2.
Calculate the energy in joules and calories required to heat 40.0 silver (Ag) from 112 C to 270 C
What is H in kJ for the process of freezing a 39.2 g sample of liquid antimony at its normal melting point of 631oC. is it positive or negative
Ionization energy is the energy needed to eject an electron from an atom or ion. Calculate the ionization energy, IE
Calculate the pH of 0.300 L of a 0.500 M NaHSO3 / 0.300 M Na2SO3 buffer before and after the addition of the following solutions. Assume that the volume remains constant.
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