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A set of data lists ratios r-/r+ for perfect packing in structures having coordination numbers of four, six, and eight. In practice a range of values for these ratios is observed within a series of compounds having the same structure. The typical range for the three coordination numbers are (4.44 - 2.44) for coordination number four; (2.44 - 1.37) for coordination number six; 1.37 and below for coordination number eight. With this in mind, predict coordination numbers of four, six, or eight for the compounds NaF, KBr and LiCl
Describe in details how we can determine the acid dissociation constant Ka for a week acid HA , include the description of the titration method and how determine the Ka from the reaction curve
At constant pressure, it is cooled to 18.00 °C where its final volume is 1.75 L. What was the initial temperature?
Consider the titration of 43.2mL of .240M HF with .220M NaOH. Calculate the pH at halfway to the equivalence point. Ka = 3.5 * 10^4
A system at equilibrium contains I2(g) at a pressure of 0.16 atm and I(g) at a pressure of 0.20 atm. The system is then compressed to half its volume
write a electrn configuration for an octahedral complex, write the electron configuration for [RhCl6]^-3 in terms of MO labels for ground electronic state.
Given the following equation: 2 C4H10 + 13 O2 ---> 8 CO2 + 10 H2O, show what the following molar ratios should be.
what is the remaining Ag+ ion concentration and is precipitation complete? The solubility product constant of AgBr is 5.0 × 10-13.
Fluorescence resonance energy transfer (FRET) is a common technique to measure distances between donor (D) and acceptor (A) fluorescent molecules
Determine the molar solubility of BaF2 in a solution containing 0.0750 M LiF. The Ksp for BaF2 is 2.45E-5.
Consider the 1H19F molecule. The bond length of 1H19F is 91.7 pm. The wavenumber of light associated with a transition from the ground vibrational state to the first excited state is 1159.18 cm^-1.
Consider the following reaction at equilibrium. what effect will increasing the volume of the reaction mixture have on the system?
A sugar-water mixture contains 45.8 g of sugar and 108.5 g of water. What is the percent by mass of sugar and the percent by mass of water in the solution?
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