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How many grams of dry NH4Cl need to be added to 2.10L of a 0.500 M solution of ammonia, , to prepare a buffer solution that has a of 8.84? Kb for ammonia is 1.8*10^-5.
Write the structure of the two products that form when Baeyer Test is performed on cyclobutene.
When ammonia is burned in oxygen, free nitrogen gas and water are produced. What volume of ammonia will react completely with 25.0 L of oxygen? What volume of nitrogen gas is formed?
A rectangular beam made using concrete with f'c = 6000 psi and steel with fy=60000 psi has a width b= 20 in. The concrete modulus of rupture fr=530 psi. The elastic moduli of the concrete and steel are, respectively,
the atmosphere and since CO2 dissolved in water causes it to be slightly acidic, will the use of deionized water that has not been previously boiled cause the mass
What is the value of Kc for the decomposi- tion of ammonium carbamate into ammonia and carbon dioxide?
sulfur is used in the production of vulcanized rubber detergents dyes pharmaceuticals insecticides and many other
Part A: Thymolphthalein is an indicator that changes color over a range from pH = 9.3 to pH = 10.5 . What is Ka of thymolphthalein. Part B: Alizarin yellow R, Ka=7.9x10^-12
exists for each of these chemical reaction types above and why might it be of importance to healthcare professionals?
The total volume of hydrogen needed to fill the Hindenberg was 2.0x10^8 L at 1.00 atm and 25 C. How many kilojoules of energy were evolved when it burned?
a zero-order reaction has a constant rate of 3.70times10-4 . if after 45.0 seconds the concentration has dropped to
You mix 55 mL of 1.00M silver nitrate with 25 mL of 0.81 M sodium chloride. What mass of silver chloride should you form?
What is the concentration of [Cl?] in a solution of 10 mL of 12 M HCl when 6 mL of water is added?
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