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The first-order rate constant for the reaction of methyl chloride (CH3Cl) with water to produce methanol (CH3OH) and hydrochloric acid (HCl) is 3.32 10-10s-1 at 25°C. Calculate the rate constant at 37°C if the activation energy is 116 kJ/mol.
Using appendix C compare entropies at 25 degrees C for the following pairs of substances. For each pair, explain the difference in the entropy values.
what is the pH of the mixture without considering the ionic strength effect? Sulfathiazole reacts in part with NaOH to give sodium sulfathiazole. The pKa of sulfathiazole is 7.12.
A sample of 1.00 mol of a perfect monatomic gas with a molar heat capacity at constant volume of 3/2R initially at 298K and 10 L is expanded with the surroundings maintained at 298K, to a final volume of 20 L in three ways
According to the Balmer-Rydberg equation, electromagnetic radiation with the shortest wavelength will be emitted when an electron undergoes which of the following transitions? (Balmer-Rydberg equation: 1/? = 1.09737 ? 107 m-1 (1/m2 - 1/n2)
Assuming that the smallest measurable wavelength in an experiment is 0.670 fm (femtometers), what is the maximum mass of an object traveling at 605 m·s-1 for which the de Broglie wavelength is observable
General Chemistry: Energy, Volume, Mass, Molarity, and Moles, Benzene is an organic solvent with the formula C6H6. It boils at 80.1 degrees celcius and melts at 5.5 degrees Celsius. Benzene's density is 0.88gm/ml; its heat of vaporization is 30.0 ..
as 3.6g soil sample was treated with hclo4 and hf was distilled from the mixture. the hf distillate was then diluted to
ethanol c2h5oh melts at -114degc. the enthalpy of fusion is 5.02 kjmol. the specific heats of solid and liquid ethanol
what is the mass in grams of 17.55ml of acetone? and what is the volume in milliter of 7.26g of acetone?
what should the stock concentration of atp be so that if you pipette a 100 uL aliquot you will obtain a final concentration of 2mM in an assay volume of 3.0 mL
Write balanced nuclear equation for the following transformation. gold-188 decays by positron emission.
Treat 250.0 g of Ca3(PO4)2 with 150.0 g of H2SO4. How many grams of superphosphate could be formed?
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