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ammonium Carbonate, NH4CO2NH2 decomposes as follows:
NH4CO2NH2(s)<=> 2NH3(g) + CO2(g)
starting with only the solid, it is found that 40 degrees Celsius the total gas pressure (NH3 and CO2) is 0.363 atm. Calculate the partial pressure of NH3 and CO2.
What is the purpose of the gas trap in the reaction set-up? (Hint: What gas(es) are present?What are their safety issues?)
Calculate the capacity factor for decane on HP-1 column (25 m length, 0.25 mm I.D., 0.5 mkm film thickness) at 120 C. Explain.
Car air bags operate by the explosive reaction of NaN3: 2NaN ( ) 2Na( ) 3N ( ) 3 2 s s + g
Assuming the solution has a heat capacity of 4.18 J/°C · g and assuming no heat loss to the calorimeter, calculate the enthalpy change for the dissolution of NH4NO3 in units of kJ/mol.
When C2H5OH +3O2 produces 2CO2 + 3H2O,determine how many grams of oxygen gas are essential for complete combustion of 421grams of ethanol ?
0.554g sample that is a mixture of oxalic acid, H2C2O4 and another solid that does not react with sodium hydroxide. If 29.58 mL of 0.550 M NaOH is required to titrate the oxalic acid in the 0.554g sample to the equivalence point
find the electronic configuration for ionization energies of magnesium the orbital number in which the electrons are
Calculate pFe2+ at each of the following points in the titration of 25.00 mL of 0.02075 M Fe2+ by 0.03540 M EDTA at pH 7.00: a) 11.50 mL, b) Ve, c) 19.00 mL.
what is the mass in grams of 3.17x10^20 atoms of the element?
suppose you have a calorimeter that contains 100.0 grams of water at an initial temperature of 25 c. a salt 2.19 g
Explain how molecular spectroscopy can be used for either the measurement or identification of a molecule.
If a protein sample has a molar mass of approximately 14,000 u, what is the expected freezing point depression when 1.00g is dissolved in 50.0mL of distilled water
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