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At a certain temperature, the Kp for the decompositon of H2S is 0.800. H2S(g0<----->H2(g)+S(g) Initally, only H2S is present at a pressure of 0.239 atm in a closed container. What is the total pressure in the container at equilibrium?
How much heat energy is liberated when 11.0 grams of manganese is used in the formation of Mn2O3. PHf° for Mn2O3 is -962.3 kJ/mol
500cm3 of 0.250M of Na2SO4 is added to an aqueous solution of 15.0g of BaCl2 resulting in a white precipitate of insoluble BaSO4.
Proteins are biopolymers formed via multiple condensation coupling of which two functional groups
What mass (in grams) of solid KCl would need to be added to 500 grams of water to make an ideal solution with a boiling point of 106.8
Determine how many grams of copper sulphate are there in 219 grams of an aqeous solution that is 20.2% by weight of copper sulphate?
what is the volume change when 2 kg of water at 6.8 MPa and 93 Celsius expands to 1.6 bar
You have available at your lab bench a 0.1 M solution of TRIS in its protonated form, 0.1 M solutions of HCL and NaOH, and ample distilled water. Describe the preparation of a 1 L solution of 0.2 M TRIS buffer, pH 7.8
if you lived in the mountains where the atmospheric pressure is 685 mm Hg, what would the partial pressure of oxygen and of nitrogen be ?
how many meters away is a cliff if an echo is heard one half second away? assume that sound ws traveled at 343 m/s on that day.
The small bubbles that form on the bottom of a water pot that is being heated (before boiling) are due to dissolved air coming out of solution.Use Henry's law and the solubilities given below to calculate the total volume of nitrogen and oxygen ga..
How many kilojoules of energy are required to heat 50.0 g of ethanol from -20.0°C to 68.0°C?
A sample of an oxide of iron weighing 2.40g was heated in a stream of hydrogen until it was completely converted to the metal,
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