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What single reagent could you add that would allow you to differentiate between the members of each pair of solid compounds below? Tell what happens to each substance when the reagent is added and write a balanced net ionic equation wherever a reaction occurs. You may use any reagent.
1. Hg2Cl2 and HgCl2
2. AgCl and PbCl2
3. AgNO3 and AgCl
4. AgCl and Hg2Cl2
5. Hg2(NO3)2 and Hg(NO3)2
6. NH4Cl and AgCl
7. PbI2 and KI
What are the names and principle differences in the two models of substrate/enzyme complex formation?
the structure of a protein by both NMR and X-ray crystallography and they differ in one region. Which is more likely to be the true structure of the protein when dissolved in solution? Why?
What is the difference b/t a chiral molecule and enantiomers?
Magnesium Hydroxide is a slightly soluble substance. If the pH of a saturated solution of Mg(OH)2 is 10.49 at 25 degrees celcius, calculate Ksp for Mg(OH)2.
Elemental exonium (not a real element) consists of two major isotopes Abundance Mass 59% 94 amu 41% 112 amu What is the atomic weight for exonium? Answer in units of amu
classfy each reaction as cmbnation, decompositon, single replacement, double replacement, or combustion
Important information about Liquid Crystals, Are there differences between the cholesteryl benzoates and the cholesteryl esters having long carbon chains?
Use the table of standard reduction potentials to calculate the equilibrium constant at a standard temperature (25 degrees C) for the following reactions:
Assuming this mechanism is correct, which is the rate-determining step if the experimental rate law is first order in nitryl chloride?
The activity of a radioactive sample is the number of nuclear disintegrations per second, which is equal to the first-order rate constant times the number of radio-active nuclei present.
A quality control chemist at Dow Chemical tried to determine purity of NaOH using titration.He measured out 0.500 g NaOH sample, and dissolved it in 20 mL water. 31.2 mL of a 0.386 mol/L HCl solution was used to reach the end point.
At constant pressure, in which of the reactions is work done by the system on the surroundings? By the surroundings on the system? In which of them is no work done?
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