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What total volume of gas forms if it is collected over water at a temperature of 25 and a total pressure of 763 ?
Calculate the total volume of gas (at 120 and 754 ) produced by the complete decomposition of 1.51 of ammonium nitrate.
N2 + 3H2 --> 2NH3 what volume of hydrogen is necessary to react with five liters of nitrogen to produce ammonia?
if 135 g of steam at 100 degrees C and 475 g of ice at 0 degrees C are combined, what is the temperature of the resultant water, assuming that no heat is lost?
The enthalpy of formation of compound X is -612 kJ/mol, and the sole product of its combustion has a enthalpy of formation of -671 kJ/mol. What is the enthalpy of combustion of compound X?
A litre of solution containing 0.1 M of CH3COOH and 0.1 M of CH3COONa provides a buffer of pH 4.74 . calculate the pH of a solution after the addition of 0.02 M of NaOH .
compute the energy levels for the rotation perpendicular to its symmetry axis at J=1. T he bond length in the 14NH 3 =101.2 pm and NHN bond angle 106
calculate the concentrations of all species in a .890 m sodium sulfite solution. the ionization constants for sulfurous acid are ka1= 1.4x10^-2 and ka2=6.3x10^-8
Cd2 forms two complexes with C2H3O2, with the following formation constants:(a) Find K2 for the reaction, (b) You prepare 1.00 L of solution containing 0.110 mol CH3CO2Na and 4.00 × 10-4 mol Cd(ClO4)2. Compute the fraction of cadmium in the form ..
A wastewater treatment plant discharges treated sewage into a river, the effluent contains a daily average of 15mg/L of NH4+. The rate constant of NH4+ bio-consumption is 0.03 1/d
A small bubble rises from the bottom of a lake, where the temperature and pressure are 8ºC and 6.4 atm, to the water's surface, where the temperature is 25ºC and pressure is 1.0 atm.
The compounds below cannot be identifed from IR and H NMR spectra alone. Explain. Suggest how other types of spectroscopy might be useful in solving the structure
Ammonia gas at 223°C and 90. atm flows into a reactor at a rate of 680. L/min. Carbon dioxide at 223°C and 43 atm flows into the reactor at a rate of 600. L/min. What mass of urea is produced per minute by this reaction assuming 100% yield?
If the pressure exerted by a gas at 25°C in a volume of 0.032 L is 2.79 atm, how many moles of gas are present?
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