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Calculate the mass of Nitrogen (N2) that will react completely with 6.00g of Hydrogen (H2) to form Ammonia, via the reaction: N2+3H2=2NH3
In the preparation of esters, the reaction product was extracted with 5% of sodium bicarbonate solution in the isolation step. Why? What gas was evolved during this washing step? Write a balanced equation for the reaction that produced it.
The solubility of oxygen gas in water at 25 °C and 1.0 atm pressure of oxygen is 0.041 g/L The solubility of oxygen in water at 3.0 atm and 25 °C is __________ g/L.
Calculate the change in internal energy of the following system: a balloon is cooled by removing 0.651kJ of heat. It shrinks on cooling, and the atmosphere does 384J of work on the balloon.
a student measured 50.0 ml of a salt water solution (density=1.021 g/ml) into a flask. The Cl minus in the measured sample required 16.67 ml of 1.0466 M AgNO3 solution to reach the end point.
If this codon is mutated to the sequence 5'-UUG-3' what is the expected consequence for the cell
What is the osmotic pressure associated with a 0.0200 M aqueous solution of a nonvolatile nonelectrolyte solute at 75C
Explain why most multicellular organisms use an iron-containing protein for oxygen binding rather than free iron. Your answer should include an explanation of (a) the role of heme and (b) the role of the protein itself.
Assume that an incorrectly adjusted lawn mower is operated in a garage such that the combustion reaction in the engine is:
4 HNO3(aq) + Cu(s) => Cu(NO3)2(aq) + 2 H2O(l) + 2 NO2(g) Considering which elements are being oxidized and reduced, determine
A 4.30 g nugget of pure gold absorbed 293 J of heat. The initial temperature was 29.0°C. What was the final temperature?
Will a precipitate form when a solution of sodium acetate and a solution of ammonium sulfate mix and what is the net ionic equation that describes the chemical change. what about for a solution of calcium chloride and a solution of mercury (I) nit..
What is the "mass per volume" percent sodium hypochlorite content of your household bleach product?
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