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The ammonia gas is produced by reacting hydrogen gas with nitrogen gas. To produce 856 g of ammonia gas utilizing air as your source of nitrogen gas, explain what volume of air is required if the air is introduced at 27°C and 760 mmHg? Define the mole fraction of nitrogen gas in air is 0.781
A. 644 LB. 425 LC. 792 LD. 534 L
What weight of sulfuric acid will be needed to react completely 35.5g of ammonia in the production of ammonium sulfate.
Draw the reaction between benzoic acid and NaOH and explain why it is neccessary to use 3M NaOH as the aqueous layer to better separate the benzoic acid.
sulfate dissolves as follows: Na2SO4(s) → 2Na+(aq) + SO42- (aq). How many moles of Na2SO4 are required to make 1.0 L of solution in which the Na concentration is 0.10 M?
sketch the corresponding Gibbs free energy curve showing all phases that appear on the sketch. Indicate the equilibrium phase compositions.
Calculate the standard enthalpy of formation of solid diboron trioxide (B2O3) using the following thermochemical information
A certain reaction requires 80 minutes to reach completion in refluxing diethyl ether (bp 35 deg C). Estimate the reflux time required if the reaction is run in tetrahydrofuran (bp 65 deg C).
A compound contains only carbon, hydrogen, and oxygen. Combustion of 10.68g of the compound yields 16.01g of CO2 and 4.37g of H2O. The molar mass of the compound is 176.1g/mol. What is the empirical and molecular formulas of the compound
In which solution (acidic, basic, neutral water, or doesn't matter) is potassium bromide most soluble
Concerns over the harmful effects of chlorofluorocarbon on stratospheric ozone motivated a search for new refrigerants. One alternative was 2,2-dichloro-1,1-trifluoroethane (''refrigerant 123''). Estimate the temperature change that would accompany..
The excess EDTA from this reaction required 19.77 mL of 0.01883 M Pb2+ standard solution to reach an end point. Calculate [Cu2+] in the unknown
How many moles of sucrose are contained within the 100.0 mL that was transferred into the volumetric? If the 1 L volumetric is filled with enough DI water to make the volume of solution 1 L (referred to as being "brought to volume"), what will the ..
When heated, ammonium carbonate decomposes as follows. NH4CO2NH2(s) -> 2NH3(g)+CO2(g) At a certain temp, the equilibrium pressure of the system is 0.318 atm. Calculate Kp for the reaction.
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