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Problem- What mass of potassium chromate is needed to add to exactly 500g of water to produce a solution with vapor pressure of 21.50 torr at 24 C?
Thank you! My final is tomorrow and I am in desperate need!
Question- What information would your provide to an organization or your employer on why database systems should be used
a sample of nitrogen gas expands in volume from 1.6 l to 5.4 l at constant temperature. calculate the work done in
Calculate the pH of a solution resulting from the addition of 10.0 mL of 0.10 M NaOH to 50.0 mL of 0.10 M benzoic acid (Ka = 6.5 x 10-5).
How many grams of O2 will be required to completely react with 2.43 grams of Mg metal ribbon to produce MgO.
write an equation for the acid-base reaction between nitrous acid and hydroxide ion. why does the equilibrium favor the products
A .3120g sample of a compound made up of aluminum and chlorine yields 1.006g of AgCl when mixed with enoughAgNO3 to react completely with all of the chlorine. Explain what the empirical simplest formula of the compound is
Calculate the cell potential for the following reaction as written at 53C, given that [Zn2+]= .841M and [Fe2+]= .0160M. Standard reduction potentials are Zn(s)= -.76, Fe2+(aq)= +.771, Zn2+(aq)= -.76, Fe(s)= -.04
A packing crate measures 0.40m X 0.40m X 0.25m. You must fill the crate with boxes of cookies that each measure 22.0cm X 12.0cm X 5.0cm. How many boxes of cookies can fit into the crate?
A quantity of 85.0 mL of 0.900 M HCl is mixed with 85.0 mL of 0.900 M KOH in a constant-pressure calorimeter that has a heat capacity of 325 J/°C. If the initial temperature of both solutions are the same at 18.24°C
solution of CO in water at 25 degrees celsius in which the CO concentration was 2.0 mM, what pressure of CO would you need to use?
What is the energy in joules released by the fission of a single uranium-235 atom?
If the overall of the coupled reaction is -7.60 , what is the equilibrium constant, , of the first reactions at 6? The for the hydrolysis of ATP to AMP is 31.6.
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