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What is the splitting of the signal in the 1H NMR spectrum for the methyl protons of ethane? What is the splitting of the signal in the 1H NMR spectrum for the methyl protons of 1-bromo-2-methylpropane? Please explain?
water and placed in a polarimeter tube 20.0 cm long. The measured rotation was -2.17° at 25 °C. Calculate the specific rotation of the compound.
Given the following balanced equation, determine the rate of reaction with respect to [NOCl]. If the rate of Cl2 loss is 4.84 x 10-2 M/s, what is the rate of formation of NOCl?
AgBr is the light-sensitive compound in most photographic films. Assume, when film is exposed, that the light energy absorbed dissociates the molecule into atoms.
What is the mechanism of the synthesis of the dye para red from anilin?
What molecule does a most probable speed of 393 m/s at 25*C? Also calculate the mean speead and root mean square speed.
Calculate the pH of a 7.40×10^-1 M aqueous solution of sodium fluoride (NaF). (For hydrofluoric acid, HF, Ka = 7.20×10^-4)
A 295mLflask contains pure helium at a pressure of 742torr . A second flask with a volume of 465mL contains pure argon at a pressure of 717torr .
A compound's 13C NMR spectrum shows a resonance at 176 and 85 ppm. What possible structural subunit does the compound contain
Rank the diffusion coefficients from least (1) to greatest (4) for the following cases. Assume the temperature is the same for all cases. 1-4 Interdiffusion C in gamma-Fe
What is the concentration of hydroxide (OH1-) ions in saturated limewater if the [H3O1+] = 3.98 x 10-13? Is limewater acidic (A), basic (B), or neutral (N)
The catalytic converter on your automobile contains small amounts of a precious metal catalyst. Which of the following components would you expect to be decreased in your tailpipe emissions.
A thermos container has 0.075 kilograms of distilled water at a temperature of 27 degrees Celcius. A 0.0076 kilogram sample of solid ammonium nitrate is dissolved in the water in the Thermos container and the temperature is measured to be 22.4 deg..
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