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When considering the numerical values for the first six successive ionization energies of Al (measured in kJ mol-1), which statement is true? 1. the value for the second ionization will be smaller than the first 2. the value for the second and third values will exhibit the largest difference of any two consequitve values. 3. The sixth ionization energy will have the largest magnitude A. I only B. II only C. III only D. I and II only E. I and III only
Iron (III) oxide reacts with carbon monoxide to form elemental iron and carbon dioxide. How many grams of CO are required to react with 2.78 grams of Fe2O3?
what is the dose in rads to the animal in the first 4.0 hours following the ingestion of the radioactive material?
The freezing temperature of ethanol is -114.0 oC, the density is 0.789 g/cm3, and Kf is 1.99oC/m. Calculate the new freezing point when 0.100 L of methanol
illustrate the reaction that would form a carboxylate ion from 2-Methylbutanoic acid. Write the IUPAC name for the ion that forms. Can you please show the condensed format versus the line angle?
How many moles of MgI2 are in 1.3L of a 0.2M solution? How many moles of Mg2+ are in the solution? How many moles of I-?
Barium peroxide decomposes when heated to give BaO and O2. Write the balanced equation for this reaction. How many moles of O2 is formed when 0.500 mole of BaO2 is decomposed
A chemistry lab experiment requires 36.3 g of silver nitrate. How many grams of a 12.5% by mass solution of silver nitrate should be used?
How many grams of NaOH are contained in 230.0 mL of a 0.800 M sodium hydroxide solution?
Why is there a differance in the change in enthalpy and the change in internal engery for the zinc/hydrochloric acid reaction but not for the neutralization reactions
The reactant concentration in a second-order reaction was 0.410 M after 190s and 1.60×10^?2 M after 820s . What is the rate constant for this reaction
Using a proton NMR how could you experimentally determine that you have a trans isomer rather than a cis isomer of Chalcone
The atmospheric pressure was measured to be0.9337 atm, the room temperature was 20.00oC. At this temperature, the vapor pressure of water is 17.50 torr -- but assume a 50% relative humidity as outlined in the procedure for this experiment.
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