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Which set of the following choices contains all the true statments and none of the false statements?
a) The H atom and Be3+ ion each have one electron. Their line spectra are identical.
b) The H atom and Be3+ ion each have one electron.The Bohr model predicts their spectra accurately.
c) The Bohr model is valid for all atoms.
If the gas was not pure butane but 10 mole percent propane and 90 mole percent butane then determine how would the MW value be affected?
What are the likely ground-state electron configurations of the following anions? Se2-, N-3
First ,2-chlorotoluene react with acetylchloride. then acylation product (an oil ) react with its corresponding carboxylic acid(aluminum(3) chloride)
What is the gas pressure (in atm) inside a 2.43-L bulb that contains 2.88-g of Ne at a temperature of 32.9 C?
how many liters of O2 can be made from 342 g H2O2 if the density of O2 is 1.428 g/L?
Draw a titration curve for both of these peptides. Be sure to label the axes properly, indicate the pKa values, the equivalence points and the buffering regions.
For a given reaction, ?H= -19.9 kJ/mol and ?S= -55.5 J/K-mol. The reaction will have ?G=0 at what temperature? Assume that H and S do not vary with temperature.
There are two isomeric alkenes that would produce 1-iodo-1-methylcyclohexane on treatment with HI. One is more reactive than the other
If 18.4mL of 0.800M solution are needed to neutralize 5.00mL of a household ammonia solution, what is the molar concentration of the ammonia?
In fermentation of glucose, 780 mL of CO2 gas was produced at 37 degrees C and 1.00 atm. What is the volume(L) of the gas when measured at 22 degrees C and 675 mmHg?
What is the Zn2+: Cu2+ concentration ratio in the following cell 25 degrees if the measured cell potential
how many grams of solid NaOCl must be added to 50 mL of .14 molar HOCl to obtain a buffer solution with a pH of 7.49.
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