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In an experiment, nitrogen gas was composed "over water" when sulfuric acid solution was mixed with a sodium nitrite solution. 0.02mol of nitrogen gas were collected at 0.25 atm at a temperature of 21C (294.15K). Determined the R value from this. I now require to compare my R value against the accepted R value. Explain what the accepted R value is?
what is the phase of matter of the solute and solvent of sterling silver?
what is the first step in drawing the lewis structure for a molecule or
Calculate the oxidation number of the chlorine in perchloric acid, HClO4.
calculate the energy released as heat when a typical table sugar cube of mass 1.5g is burned in air. b.) to what height could you climb on the energy a table sugar cube provides assuming 25 percent of the energy is available for work
How many liters of water are required to dissolve 5.55 grams of KOH and make a solution with a pH of 11.63
calibrated manufacturing makes an electronic component that is in great demand.nbspnbspthe component sells for 20
To convert this into a buffer having a pH of 9.3380, how many grams of KH2BO3 (M.W. 99.926) should be added to the solution?
how many grams of water can be heated from 25 degrees c to 100degrees c by the heat released from converting 49.7 g of
There is 12.0 g CCl3F in a 1.1 L container at 856 torr and 300 K. What is the mass of the liquid left over?
pKa of a carboxylic acid group found on a molecule of DOM is 4.2 and pKa of An amino group found on a molecule of DOM is 9.3. Explain how pH influences the ability of these groups to bind to metals. Illustrate how well each of these groups would b..
calculate the pOH and the pH when 45.0mL of 3.00mol/L potassium hydroxide solution is diluted by adding 100.0mL of water
Explain the fact that even though dibenzoylmethane is not a methyl ketone it gives a positive iodoform test
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