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What is the detector in a spectrograph in which spectral lines are recorded photographically?
Estimate the temperature where ?G=0 for the following reaction: (giving ?H= -176 kJ, and ?S= -284.5 J/K) CAUTION Beware of units. NH3(g)+HCl(g)--->NH4Cl(s)
If a sample is composed of 39% of the lighter isotope (with the balance being 7Li), calculate the average molar mass of the sample.
Determine the maximum number of moles of SO2 produced from 12 moles of H2S and 4.0 moles of O2
What is the big difference between concentrated and aqueous acids, and what role would that difference play in the reaction between 9-fluorenol and sulfuric acid?
What is the pressure in atmosphere of a gas mixture that consit of 0.2 moles of nitrogen and 0.3 mols of oxygen
how many grams of NACL would you need to add to 1 liter water sample ph=7 so that ionic strength equaled to 0.1M
Find vapor pressure and density of liquid water at room temperature; state your source. Calculate the new vapor pressure of water at the same temperature when 740 torr of dry
What mass of carbon dioxide is produced from the complete combustion of 7.00×10?3g of methane
discuss how to prepare the solution in question A starting from 0.100 M formic acid and 0.150 M sodium formate
The heat of solution of ammonium chloride is 15.2 kJ/mol. If a 6.323 g sample of NH4Cl is added to 65.0 mL of water in a calorimeter at 24.5°C, what is the minimum temperature reached by the solution?
The CO2 reacts. yielding a precipitate of BaCO3, but the CO does not react. This method was used to analyze the equilibrium composition of the gas obtained when 1.77 g of CO2 reacted 2.0 g of graphite in a 1.000L container at 1100K. The analysis y..
A reaction with the activation energy Ea= 219.00 kJ/mol, has a rate constant k = 2.400 x 101 at 565.00 Kelvin. Determine the rate constant when the temperature is changed to 861.00 Kelvin. R = 8.314 J K-1mol-1
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