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1) Draw Lewis structures for all 6 structural and geometric isomers of c4h8. (Hint: Each of the isomers will contain exactly one double bond or ring.)
2.) Two of the isomers have C-C-C bond angles that deviate significantly from those predicted by VSEPR theory. On this basis, which isomer would you predict is the least stable one? the second least stable?
how many grams of solid NaOCl must be added to 50 mL of .14 molar HOCl to obtain a buffer solution with a pH of 7.49.
How can I make up 100ml of a solution containing Compound A (solid, purity of 83.7%) at 90 ug/ml and compound B (liquid, density 1.12 and purity of 90.5) at 30 ug/mL for HPLC reference standard.
Use the Henderson Hasselbalch Equation to calculate the pH after the addition of 0.10 M NaOH to this solution, assuming no change in volume?
Why are fluorescence measurements made at 90 degrees from the incident beam in most cases? 3. What is the ideal cuvette placement to avoid pre- and post-filter effects?
Given that the density of the gas mixture =0.312 g/L at the pressure of 0.2 atm and temperature 500 Kelvin At equilibrium. Determine the value of Kc also express your answer in units of (mol/L)?
When propene is treated with hypochlorous acid (HOCl), the product isolated is 1-chloro-2-propanol.
A powder contains FeSO4·7H2O (molar mass = 278.01 g/mol) among other components. A 3.585-g sample of the powder was dissolved in HNO3 and heated to convert all iron to Fe3
Calculate the number of grams of H2 formed If the wet Hydrogen gas formed occupies a volume of 9.67 Litres
Calculate the mass of silver nitrate (in grams) in a 145 mL solution of 5.38 M AgNO3.
Calcium carbide, CaC2, reacts with water to form acetylene. CaC2(s) + 2 H2O(l) -> C2H2(g) + Ca(OH)2(s)
A chemist dissolves 0.9 g of an unknown monoprotic (one acidic H) acid in water. She finds that 14.6 mL of 0.426 M NaOH are required to neutralize the acid.
The solubility of N2 in blood can be a serious problem (the "bends") for divers breathing compressed air (78% N2 by volume) at depths greater than 50 ft.
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