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0.101 M HNO2 solution contains 0.0067 M H+ ions at 25 oC. What is the percent ionization of this acid under these conditions?
a. 66b. 0.0066c. 10.1d. 67e. 6.6
what is the change in enthalpy for 2.854 moles of the liquid?
In a seperate trial the student puts 214 mL of the same liquid into the same flask at the same conditions. What will the pressure measure (in kPa) in the second trial?
solution containing a silver electrode. Determine the initial voltage of the cell at 298 K
How many moles of O2 are needed to burn 1.05 mol of C8H18
Type the electron configuration for the following ions according to the rules in your text. Use the format {He} 2s2 2p2 for carbon. Pay attention to the spaces.
Compute the pressure (in atmospheres) Using the van der Waals equation, exerted by water(H2O) of 23.93 grams at 36.11 degree celsius in a 1.00 Litre container.
An excess sample of solid Ag2SO3 is added to 100 mL of water. After equilibrium is achieved between the solid and its aqueous ions the silver ion concentration is found to be 2.486e-05 Use this information to find Ksp for Ag2SO3
How many fluoride atoms are in the tube of toothpaste? How many grams of sodium ion are in 2.10 toothpaste? How many molecules of triclosan are in the tube of toothpaste?
what is the minimum rate that fresh air has to be supplied to the room so that the concentration of CO2 in the room doesn't exceed 0.500% by mole? Assume the room is well mixed, and the volume of the solid dry ice does not change.
Draw a Lewis structure for each of the following compounds. Specify the hybrid orbitals that overlap to form each bond. Then label each bond as a pi or sigma bond
Explain for which of the following species resonance is an important property: HONO, HONO2, N3-, NO2-, NO2.
Write equation for the reaction : Mg+H2SO4(diluted) Identify the oxidizing agent and the reducing agent.
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