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The ammonia gas is produced by reacting hydrogen gas with nitrogen gas. To produce 450 g of ammonia gas utilizing air as your source of nitrogen gas, explain what volume of air is needed if the air is introduced at 25°C as well as 740 mmHg? (The mole fraction of nitrogen gas in air is 0.781)
A. 290 LB. 425 LC. 534 LD. 338 L
Reaction of an Alcohol to Produce an Alkyl Halide, N-butanol reacts with NaBr and H2SO4 to produce n-butyl bromide, via refluxation reaction in a lab experiment.
how to choose a solvent that can be used to recrystallize a product that is less soluble than the reactant
245.0 nm ultraviolet light strikes a metal plate and ejects electrons having kinetic energy E = 1.79 eV. Calculate the binding energy of an electron at the metal surface.
How much heat is required to raise the temperature of 42.5 g of water from its melting point to its boiling point? Express your answer numerically in kilojoules.
the decomposition of dinitrogen pentaoxide has and activation energy of 102 kjmol and delta h degree rsn 55 kjmol.
A sample of an unknown peptide undergoes a single round of Edman degradation, which liberates ATZ-Gly. Another sample of the peptide is treated with trypsin, and a third sample is treated with chymotrypsin. The table below shows the fragments.
The combustion of how many moles of ethane C2H6 would be required to heat 587g of water from 25 degree to 78 degree. ( assume liquid water is formed during combustion.)
sodium hydroxide (NaOH) pellets are dissolved in water to make 8.0 L of solution. What is the pH of this solution?
The resultant mixture is then evaporated in a kettle to produce a jam contain- ing 67 wt % soluble solids. For a feed of 1000 kg crushed fruit, calculate the kg mix- ture from the mixer, kg water evaporated, and kg jam produced
what conclusions can be reached about the relative strengths of Ni2+(aq) and/vs Cu2+(aq) as oxidizers? Also write the correct reaction.
What will happen to the acetate concentration in equilibrium, [HC2H3O2]-> [H^+]+[C2H3O2^-], when sodium acetate is added
What is the empirical formula of a hydrocarbon if complete combustion or 1.900 mg of the hydrocarbon produced 6.423 mg of CO2 and 1.315 mg of H2O? Be sure to write C first in the formula.
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