Calculating the mass of nitrogen
Calculate the mass of nitrogen dissolved at room temperature in an 99.0 {rm L} home aquarium. Assume a total pressure of 1.0 {rm atm} and a mole fraction for nitrogen of 0.78.
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When 355g or Bi2O3 reacts with excess carbon, (A) how many moles of Bi2O3 react? (B) how many moles of Bi form?
What are ΔH°´ and ΔS°´ for this binding reaction assuming that they are constant over this temperature range? Is this amino acid binding driven by entropy or enthalpy? Explain.
Process costing differs from job order costing in the way costs are accounted for. Share your thoughts about the accounting differences in process costing versus job order costing, and explain how manufacturing costs are accounted for in process c
A sample of sodium reacts completely with 0.142 kg of chlorine, forming 234 g of sodium chloride. What mass of sodium reacted?
calculate the molarity of an aqueous NaOH solution if 32 mL of it is required to titrate .6789 grams of oxalic acid to a phenolphthalein end point.
If these products are separated by DEAE-ion-exchange chromatography at pH 7.0, in what order will the products emerge from the column? Explain Why.
When 157mg of dipentylamine was added to 122mg of benzoic acid and 2 mL of water, a completey homogenous solution was formed. Draw the structures of the species present in water.
How much heat is given off when 25.6 g of ethyl acetate is burned in excess oxygen? 650. kJ The burning ethyl acetate from the previous question is used to heat 4.0 L of water at 21.3°C. What would be the final temperature of the water
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