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Propyl alcohol (CH3CH2CH2OH) and isopropyl alcohol [(CH3)2CHOH], whose space-filling models are shown, have boiling points of 97.2 °C and 82.5 °C, respectively. Explain why the boiling point of propyl alcohol is higher, even though both have the molecular formula C3H8O.
The protons that give rise to the signal at 7 ppm are more shielded than the protons that give rise to the signal at 9 ppm. B) The protons that give rise to the signal at 7 ppm are less shielded than the protons that give rise to the signal at 9 p..
Provide a structure for the following compound: EI mass spectrum: two molecular ions of about equal intensity at m/z = 180 and 182; IR: 1740 cm-1; 1H NMR
What is the pH of a buffer made by combining 0.025 moles potassium acetate with 0.015 moles acetic acid in 200 mL of water
how to calculate mole fractions of two sustances given their weight percentages ,grams
it requires a photon with a minimum energy of 4.41 x 10-14 j to emit electrons from sodium metal.a what is the minimum
How much heat (in kJ) is evolved in converting 1.00 mol of steam at 130.0 degrees C to ice at -55.0 degrees C? The heat capacity of steam is 2.01J/g and of ice is 2.09j/g.
Explain using resonance and inductive effects why trifluoroacetic acid (Pka = -0.25) is more acidic than ethanol (pKa = 16?
A stainless steel tank contains 2% fat milk (SG = 1.030). A pressure gauge at the bottom of the tank monitors the gauge pressure of the vessel, and from that reading, the height of the milk within the tank can be determined.
Calculate the heats of dissolution for lithium chloride and ammonium chloride from Tabulated ?Hf values, these can be found in Appendix B of your textbook or on-line.
If you are uncertain as to which layer in the separatory funnel is aqueous when extracting an aqueous solution with an organic solvent, how could you settle the issue
The mixture of hot iron and aluminum is then dropped into 95.7 g of water at 20.0°C. Calculate the final temperature of the metal and water mixture, assuming no heat loss to the surroundings.
Complete as well as balance the displayed half reaction in acidic aqueous solution taking into account the electrons
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