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Naphthalene combustion can be utilized to calibrate the heat capacity of a bomb calorimeter. The heat of combustion of naphthalene is-40.1 kJ/g. While 0.8210 g of naphthalene was burned in a calorimeter containing 1,000g of water a temperature rise of4.21°C was observed. Explain what is the heat capacity of the bomb calorimeter excluding the water?
What types of stationary phases used for column chromatography and HPLC? How these staionary phase work and what types of compounds can be separated using this?
How do you tell whether a solution is basic, acidic or neutral just by looking at the formula? Like KCl. I need to know how to figure out whether it's neutral, basic or acidic and have no clue how this is done.
the Van der Waals equation of state to find the critical temp and pressure for a fluid
In an acid-base titration experiment, 50.00 mL of a 0.0500 M solution of acetic acid (ka=1.75 x 10^-5) was titrated with a 0.0500 M solution of NaOH at 25 degree C
What is the fischer projection for (2S,3R)-2-chloro-3-bromobutane. (the wedged dashed bond is for chloride and filled wedged bond is for bromide).
Use Hess's law and the measured mean enthalpy changes for the NaOH-HCl(36.2) and NH3-HCl(31.9) reactions to calculate the enthalpy change to be expected from the reaction: NaOH + NH4Cl----NaCl + NH3 +H2O
a and b liquids on mixing produced a warm solution.which type deviation is there and why is that type of
Calculate the standard enthalpy of formation of gaseous carbon dioxide (CO2) using the following thermochemical information: 2 C(s) + H2(g) C2H2(g) H = +226.8 kJ 2 C2H2(g) + 5 O2(g) 4 CO2(g) + 2 H2O(l) H = -2599.3 kJ 2 H2O(l) 2 H2(g) + O2(g) H = +..
Barium sulfate,BaSO4 , is used in medical imaging of the gastrointestinal tract because it is opaque to X rays. A barium sulfate solution, sometimes called a cocktail, is ingested by the patient
Explain how would the structures look for two transition alkyl metal complexes where beta-hydrogen elimination process is stabilized or eliminated
Calculating the concentration of the acetate ion when dissociation of acetic acid occurs in water and over varying pH conditions?
Calculate the mass of pure silver that when heated from 12.0 degrees celcius to 15.2 degrees celcius it required 1.25 kj of energy
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