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the air in the laboratory was measured with a barometer to be 7.20 x 10 squared mm Hg. what is the laboratory air pressure in atm.
What is the purpose of adding sodium sulfate to the organic layer after all of the extractions are complete?
Draw the molecular orbital diagram for CO. Based on your diagram, why does CO always bond through the carbon and not the oxygen atom?
What is the absolute error in pKa according to pKa from the mid-point pH value? The true value is given in # (5) (9) What is the relative % error in pKa according to pKa from the mid-point pH value?
what is the voltage after the addition of the following volume of NaI solution? The reduction potential for the saturated calomel electrode is E = 0.241 V. The standard reduction potential for the reaction is E0 = 0.79993 V.
How many grams of solute are needed to prepare 500.0 mL of a 0.375 M CH3OH solution.
Calculate the amount of heat transferred when 45.0 g of CH3OH(g) is decomposed by this reaction at constant pressure.
Which of the following will react with Benedict's reagent?
Complete the following equations in molecular form. The reactant coefficients are correct. Indicate precipitation, redox, or acid – base. Write the equations in NET ionic form (no spectator s). Balance charges and use the correct suffixes.
Consider a process carried out on 1.00 mol of a monatomic ideal gas by the following pathway from state A to state B
a 1.628 gram sample of a hydrate of magnesium iodide is heated until all of the water is removed. its mass is now 1.072 grams. what is the formula of the hydrate?
how many grams of carbon dioxide are produced when 2.50g of sodium hydrogen carbnate reacts with excess citric acid according to the equation: 3NaHCO3 + H3C6H5O7 -> Na3C6H5O7 + 3CO2 + 3H2O.
According to the valence bond theory, which of the following molecules involves sp2 hybridization of orbitals on the central atom?
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