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Why is the angular momentum of some nuclei and molecules observable? How is it observed? What are some typical results?
Which of the following reasons is most important in explaining why butanol, CH3CH2CH2CH2OH , has a higher boiling point than butane, CH3CH2CH2CH3. 1.Butanol molecules are subjet to dipole-dipole forces
The disinfectant hydrogen peroxide (H2O2) decomposes to form water and oxygen gas.How much O2 will result from the decomposition of 3.21 mol of hydrogen peroxide?Answer in units of mol.
Give the product expected from the reaction of cis-1,2-diacetylcyclohexane with aniline. Suggest a reason for the unsuitability of 2,4-dinitroaniline as a replacement
What is the maximum number of electrons that can be identified with each of the following sets of quantum numbers? In some cases, the answer may be "none."
determine the entropy change for freezing 6.33 grams of c2h5oh at 158.7 k? h -4600 jmol. express your answer in units
A 50.0 mL sample of 0.40 M benzoic acid, C6H5COOH, a weak monoprotic acid, is titrated with 0.48 M NaOH. Calculate the pH at the equivalence point. Ka of C6H5COOH = 6.5 10-5
How much heat is absorbed when 5.53 mol of NH4NO3 solid is dissolved in water? (Heat of soluton = 25.7 kJ/mol)
What was the Ka value calculated by the student if the pH of the solution was 2.60? Express your answer numerically using two significant figures
A quantity of 7.031 g of an organic compound is dissolved in water to make 282.0 mL of solution. The solution has an osmotic pressure of 1.43 atm at 27°C.
for the reaction n2g2 o2g2no2g kc is 8.3 x 10-10 at 25 degrees celcius. what is the concentration of n2 gas at
When the reaction 2 H2S g ~ PCl3 + Cl2 is carried out at 1065 degrees celcius, Kp = 0.012. Starting with pure H2S at 1065degrees, what must the initial pressure of H2S be if the equilbrated mixture at this temperature is to contain 0.250 atm of H2..
one day you notice that the outside temperature increase by 16 degrees Fahrenheit between your early morning jog and your lunch at noon. what is the corresponding change in temperature in the Celsius and Kelvin scales?
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