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The density of liquid gallium is 6.09 g/cm3 at 35°C. If this element is employed in a barometer instead of mercury, what is the height of a column of gallium sustained in the barometer at 1 atm pressure?
Determine the enthalpy change for the combustion of ammonium nitrate(NH4NO3)with decane (C10H22) in oxygen. Hf for C10H22= -249.7 kJ/mol
If B gas at 0.221 bar is injected into a container at 665 °C that contains excess A, what are the partial pressures of all gases present at equilibrium?
Using the periodic table, arrange the atoms in each of the following sets in order of increasing electronegativity: a) CL, F, Br; b) B, O, N; c) Mg, F, S
Problem- What is the pH of a solution that is 0.010M in ammonia ,NH3 and 0.010M in ammonium nitrate, NH4NO3. Kb=1.8 x 10 ^ -5 for NH3
Balance the following redox equation using the smallest integers possible and select the correct coefficient for the hydrogen sulfite ion.
A Chemistry experiment requires 25.2g of silver nitrate, how many grams of a 15.5% by mass solution of silver nitrate should be used
A solution of sodium bromate has an ionic strength = 0.2725. the solution is connected to a SCE reference cell = 0.241 V, and a potential of Ecell = 1.169 V is measured. determine the concentration of the Bromate in the solution. E^o = .613V
What volume of 0.250 M Na3PO4 is required to precipitate all the lead(II) ions from 180.0 mL of 0.550 M Pb(NO3)2
Dioxane has a boiling point of 101 degrees celsius. could you seperate dioxane from methylcyclohexane by distillation? explain why or why not, based on the liquid and vapor compositions during the distillation. How might these liquids be seperated
chemistry of proteins and hemoglobin.1. protein a has a binding site for ligand x with a kdof 10-6m. protein b has a
Recognize the basic concepts of organic chemistry and the classes of organic compounds - Discuss the various phases of matter
Many important drugs contain the amine functional group, which makes them basic. Many drugs also contain an amide group, which is effectively neutral. Suggest a way to separate ephedrine, a stimulant and decongestant drug shown below
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