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An equilibrium mixture contains {\rm{N}}_2 {\rm{O}}_4, (P = 0.27 atm) and {\rm{NO}}_2 (P = 1.2 atm) at 350 {\rm K}. The volume of the container is doubled at constant temperature.
Calculate the equilibrium pressure of {\rm N}_2{\rm O}_4 when the system reaches a new equilibrium.
Calculate the equilibrium pressure of {\rm NO}_2 when the system reaches a new equilibrium.
During an extraction a student loses track of which layer is the organic layer. How could she determine which layer is the aqueous phase?
How many liters of CO2 are produced when 15 liters of O2 are consumed
Lidocaine is thought to bind to receptors in its methylated form. identify in writting the atoms or groups in the compound that could be involved in its binding to a receptor via- hydrogen bonding (1 example)
Write chemical equations for the reaction of calcium with the following substances, making sure that the numbers and kinds of atoms are the same on both sides of the equations
Sketch a cube. How many vertices does it have? How many edges? How many faces? Mark four vertices of the cube that are also vertices of a regular tetrahedron.
A 5.34 g sample of an aluminum alloy is reacted with hydrochloric acid to produce aluminum chloride and hydrogen gas. At a temperature of 298 Kelvin and a pressure of 1.03 atm, a volume of 1.53 L of hydrogen gas is collected.
You use 27.5 mL of NaOH to titrate 100.0 mL of HCl and 18.4 mL of NaOH to titrate 50.0 mL of 0.0782 M H2SO4. What are the concentrations of the HCl and NaOH respectively?
Consider 4 L of a buffer composed of 2 M HCN and 3 M NaCN? How many moles of strong acid could this buffer withstand?
Draw the base pairing between 8-oxoguanine and cytosine and 8-oxoguanine and adenine. Use single bonds to represent hydrogen bonds.
One of the steps in the commercial process for converting ammonia to nitric acid is the conversion of ammonia to nitric oxide.
Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons.
At what temperature is the change in entropy for the reaction equal to the change in entropy for the surroundings?
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