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Problem- Some of the formulas below could be either molecular or empirical formulas; however, some could only be molecular formulas. Which of the following formulas must be molecular formulas? Select all that apply.
C4H8O4
NO2
PO
P2O5
C2H6
I need help for above question. Show each steps for the above problem.
Assume the proton-proton coupling constants for diethyl ether is 10 Hz. Draw the splitting trees for each of the multiplets in the spectrum(there are two, one triplet and one quartet).
In standardizing a solution, what would happen if instead of putting HCl solution into a buret and standardized NaOH solution into a beaker when performing a titration
How much heat is required to raise the temperature of 73.5 of water from its melting point to its boiling point?
A saturated solution of KClO3 is formed from a 100g of water. If the saturated solution is cooled from a 80 degrees C to 50 degrees C, how many grams of precipitate are formed
a typical deposit of cholesterol c27h46o in an artery has a mass of 3.90 mg. how many molecules of cholesterol are
German physicist Werner Heisenberg related the uncertainty of an object's position (?x) to the uncertainty in its velocity ?v. The mass of an electron is 9.11× 10-31 kg. What is the uncertainty in the position of an electron moving at 3.00 × 10^6 ..
The temp of both solutions before mixing was 23.0 degree celsius, and its rises to 34.8 degree celsius after the acid-base reaction. What is the enthalpy change for the reaction per mole of NaOH
Explain how the enthalpy, entropy, and free energy of this system change as the dissolving process proceeds. Of the three parameters, ÄS, ÄH, and ÄG, specified in part 1, which has a sign different from the other two. Explain.
Based on the number of chiral centers in Morphine, determine the maximum number of stereoisomers that are theoretically possible
If silicon, atomic number 14, combines with chlorine, atomic number 17 what is the most likely formula based on your knowledge of the periodic nature of the elements
A saturated solution of magnesium hydroxide (Mg(OH)2) in equilibrium with undissolved solid is prepared at 25 degree celcius. The pH of the solution is 11.03. Calculate the value of the Ksp
A chemical engineer injects limestone into the hot flue gas of a coal burning power plant to form lime, which scrubs SO2 from the gas and forms gypsum (CaSO4.2H2O). Find Kc for the following reaction
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