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The following reaction takes place: A2B<---> 2AB + heat. If 2 moles of A2B is added into a 1L container, it is found that 40% of the reactant dissociates to reach equilibrium. Find the Keq for the reaction?
Oxygen interferes with the absorption of nitrogen Problem- Although the atmosphere contains 78% nitrogen, most plants cannot use it as a source of nitrogen for growth because
A gas at 89 degrees celcius occupies a volume of 0.67 L. At what kelvin temperature will the volume increase to 1.12 L. ?
If a sample of nitrogen gas has a volume of 14.3 L at 5.2 atm. If the pressure is reduced to 1.2atm at constant temperature state what will the new volume be
Define why trans-p-anisalacetophenone would be expected to be additional stable than the corresponding cis isomer.
a solution is prepared by dissolving 4.21 g of a nonelectrolyte in 50.0 g of water. If the boiling point increases by 0.203 C what is the molar mass of the solute? The boiling point elevation constant for water is 0.512 C/.
A three-step industrial process involves both heat and work. Calculate the overall change in energy DE for the entire process, given these three individual steps.
A Breathalyzer instrument contains two ampules, each of which contains 0.75 mg K2Cr2O7 dissolved in 3 mL of 9 mol L^-1 H2SO4(aq). One of the ampules is used as reference. When a person exhales into the tube of the Breathalyzer, the breath is direc..
calculate the grams of copper in the Jefferson nickel used to make the initial solution. Nickel placed into (A Beaker) then transfer 5ml into (beaker B) then into cuvet.
In the laboratory a student measures the percent ionization of a 0.381 M solution of hydrofluoric acid to be 4.19 %.
Will a red blood cell undergo crenation, hemolysis, or no change in each of the following solutions
Determine which monomer will have the higher degree of polymerization (DP) and by how much?
Aqueous sulfuric acid reacts with solid sodium hydroxide to produce aqueous sodium sulfate and liquid water. If 1.92 g of sodium sulfate is produced from the reaction of 4.9 g of sulfuric acid and 7.8 g of sodium hydroxide, calculate the percent y..
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