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Ammonia gas is produced by reacting hydrogen gas with nitrogen gas. To produce 856 g of ammonia gas using air as your source of nitrogen gas, what volume of air is required if the air is introduced at 27°C and 760 mmHg? (the mole fraction of nitrogen gas in air is 0.781)
The molecular formula of glycine (an amino acid) is NH2CH2COOH, the molecular mass is 75.07grams/mole. If 10 glycines are joined together by a dehydration reaction to make a polypeptide, what would the molecular mass of the polypeptide equal.
A scuba diver 40 ft below the ocean surface inhales 50.0 mL of compressed air mixture in a scuba tank at a pressure of 3.00 atm and a temperature of 8 degrees C
The current concentration of carbon dioxide in the atmosphere is 378 ppmv. Annual anthropogenic additions to the atmosphere are about 8 Gt (as C) of which about 4 Gt are removed into the oceans and terrestrial environment.
Determine which ion will precipitate first and at what concentration of sulfate ion will the first precipitate begin to form?
Write a balanced net-ionic equation for the two half redox reactions below. 1) BiO3^1(aq) + 6H^+(aq) + 2e- -------------> Bi^3+(aq) + 3H2O(l) 2) Mn^2+(aq) + 4H2O(l) ------------------------> MnO3^-(aq) + 8H^+(aq) + 5e- Also identify the oxidizing ..
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..
a volume of 100 litres of is at room temperature that was twenty two degree celsius initially. a cooled steel rod at
A solution is prepared by mixing 79.0 mL of 5.00 M HCl and 34.0 mL of 8.00 M HNO3. Water is then added until the final volume is 1.00 L. Calculate [H+ ], [OH - ], and the pH for this solution.
be at the same concentration B) collide with suffiecient energy to break bonds C) bounce off the walls of the container
The energy for the process (H)+(energy) yields (H+)-(e-) is called the ionization energy of hydrogen. The experimentally determined value for the ionization energy of hydrogen is 1310 kJ/mol. How does this compare to your calculation
Write a balanced equation for the decomposition reaction described, using the smallest possible integer coefficients. When calcium carbonate decomposes, calcium oxide and carbon dioxide are formed.
a fixed quantity of gas at 25degc exhibits a pressure of 724 torr and occupies a volume of 5.90 l.a use boyles law to
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