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Problem- What is the buffer range of a solution composed of equal molar concentration of phenol and sodium phenolate? (Ka = 1.3x10-10)
I want you to explain the chemistry in this problem
light of wavelength 221nm striking a sample of tungsten causes electrons to be ejected with a speed of 6.04x10^5 m/s. calculate the work function of tungsten
an automobile fuel tank is filled to the brim with 56.0 liters 14.9 gallon of gasoline at 11.5 deg c. immediately
How much dry solute would you take to prepare each of the following solutions from the dry solute and the solvent?
Arsine (AsH3) has a vapor pressure is 35 Torr at -111.95?C and 253 Torr at -83.6 ?C. What is the normal boiling point of arsine.
a cylinder storing oxygen at 20 mpa at 0 degrees celcius might explode if the pressure exceeds 50 mpa. what is the
Question- How many grams of metal are deposited at the cathode by the passage of 2.30A of current for 80min in the electrolysis of an aqueous solution containing the following ions
One Step is a product sold as a cleaner/sanitizer and has the formula 2Na2CO3?3H2O2. If 15.175 g of this compound is dissolved in water and diluted to exactly 1 gallon as directed
Calculate the entropy change for the system and the surroundings. The heat of fusion of water is 6.02 kJ/mol; Cp (water)=4.184 J/K/g, Cp(ice)=2.094 J/K/g.
how many grams of sodium chloride would be made if 507 g fecl2 were used up in the reaction fecl2 2naoh feoh2s 2nacl
A sample of 1.00 mol of perfect gas molecules, originally at 1.00 atm, with a molar heat capacity at constant pressure of 7/2 R is put through the following cycle:
polyaromatic hydrocarbons are commonly associated with soot particles as adsorbances on the surface. calculate the
How many mL of 1.183 M H2SO4 must be added to 18.22 mL of 0.531 M NaOH to just completely react all of the NaOH according to the equation
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