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The complete combustion of 1.608g of cymene in a bomb calorimeter formed an increase in temperature of 19.35 degrees Celsius. The aromatic hydrocarbon cymene (C10H14) is found in nearly 100 species
Determine the numbers of moles of CO2 is formed when 1 Kg of CaCO3 is used to neutralize acid spill. Equation for reaction at 1atm and 25 degrees Celsius is:
Determine the theoretical yield of lithium nitride in grams when12.3 g of lithium is heated with 33.6 g of nitrogen? If actual yield of lithium nitride is 5.89 g, what is % yield of reaction?
Determine the following quantity: Volume of 2.01M calcium chloride that must be diluted with water to prepare 335 mL of a 3.26 X 10^-2M chloride ion solution.
Determine the numbers of mL does a 120 pound adult require to take? A prescription calls for 350 mg/kg of body weight if the density of the medicine is 4.8 g/cm^3
Explain what two side reactions are possible in addition to the major product of cis-norbornen-5,6-endo-dicarboxylic anhydride, in the Diels-alder reaction of cyclopentadiene and maleicanhydride.
Explain why do carboxylic acids generally have higher boiling and melting points than alcohols, ketones, and aldehydes of comparable mass?
Calculate the theoretical yield of 2-chloro2-methylbutane from reacting 10.0 mL of 2-methyl-2-butanol and 25 mL of 12 M HCl.
An acetic acid buffer which is having .50 M CH3COOH and .50M CH3COONa has a pH of 4.74. Discuss what will the pH be after 0.0020 mol of HCl has been added to 100.0 mL of the buffer?
At 34 degrees Celsius exactly 18.4 mL of water are added to a hot iron skillet. All of the water is converted into the steam at 100 degrees Celsius.
150.0 grams of AsF3 was reacted with the 180.0g of CCl4 to form AsCl3 and CCl2F2. The theoretical yield of CCl2F2 formed, in moles should be what?
In one experiment, 25.0 mL of the unknown KOH solution is placed in a beaker. Added to the KOH solution in the beakder is 25.0 mL of water and a few drops of phenolphthalein. The KHC2O4 solutio
The pH of an unknown chloride salt with the generic form (metalion)Cl is measured to be 4.62. Calculate the cation's Ka value.
An aqueous solution contains 285 mg of trichloroacetic acid (Cl3CCOOH) in 10.0 mL. Determine the analytical concentration of the acid.
The o'keefe's have 50 gallons of cucumbers for pickling. The1.5 M KOH solution costs 5$ per liter, ethanol costs 25$ per liter and 9 MH2SO4 solution costs 7.50$ per liter.
Protonation of the cyanate anion [NCO]- occurs at the N atom and gives a HNC angle of 128 degrees. Protonation of the isomeric fuolminate anion [CNO]- occurs at the C atom and gives an HCN ang
2NOBr (g) = 2NO (g) +Br2(g) in the given experiment, 0.10atm of each component is placed in a container. Is the system at equilibrium?
At 36 Torr create the phase diagram for benzene near its triple point and 5.50 degrees C using the following data: dH fusion= 10.6 kj/mol, dH vap = 30.8 kj/mol, solid state density = 0.891 g/cm^3,
Compounds such as naphthalene and 1,4 dichlorobenzene find the use as mothballs since they sublime at a slow rate at atmospheric pressure. Discuss this behavior in terms of the structure of the mol
Assume that an internal combustion engine runs on octane, for which the enthalpy of combustion is -5512kJ mol^-1 and take the mass of 1 gallon of fuel as 3kg.
The mass percentage of chloride ion in a 25.00 mL sample of seawater was measured by titrating the sample with silver nitrate precipitating the silver chloride.
Determine the pressure in point 1 and the density of the manometric fluid when a U manometer reads 20 cm using air as operating fluid and a given manometric fluid. A single branch closed tube reads
Compare the functional groups among fluorenone and fluorene determining how the NMR, IR and Mass Spec may help distinguish among the two compounds.
You have 6 grams of molecule X in 100 mL water. The solubility of molecule X in ether is 200 g/L. The solubility of molecule X in water is 70 g/L. Determine how much of molecule X will be obtained b
The standard enthalpy of combustion to CO2 (g) and H2O (l) at25*C of cyclohexane, C6H12 (l), is -3924 kj/mol. Determine the standard heat of formation of cyclohexane: