How many times faster will the reaction occur
Assume that the activation energy for a certain reaction is 173 kJ/mol and the reaction is started with equal initial concentrations of reactants. How many times faster will the reaction occur at 40 degrees Celsius than at 10 degrees Celsius?
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How much sodium hydroxide in grams must be added to a sampleof seawater to completely precipitate the 83.2 mg of magnesiumions present?
A 90.0mL sample of 1.00M NaOH is mixed with 45.0mL of 1.00M H2SO4 in a large Styrofoam coffee cup; the cup is fitted with a lib through which passes a calibrated thermometer.
Phenol is a common organic compound that may be used as a disinfectant. Its pKa in water is 10.0 while in methanol its pKa = 14.4. Is it a stronger acid in water or methanol? Explain the difference in the pKa for phenol in the different solvents.
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An electron microscope focuses electrons through magnetic lenses toobserve objects at higher magnification than is possible with alight microscope. For any microscope, the smallest object that can be observed is one-half the wavelength of the radi
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 degrees C.
If all the energy obtained from burning 1.28 pounds of butane(fuel value is 10.85Kcal/g) is used to heat 123.0kg of water at an initial temperature of 18.7 C, what is the final temperature?
Assume you have a solution that is 0.020M in both Cd2+ions and Ni2+ ions. If you add sulfide ions, CdS and NiSwill precipitate. Which ion will precipitate first?
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