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Calculate the number of grams of isopropyl alcohol (rubbing alcohol), C3H8O, which must be added to 275 g of water to prepare a 2.00 m solution of isopropyl alcohol.
Which of the following would be the best procedure for extracting acetaldehyde from an aqueous layer to the organic layer? a. Extracting the aqueous layer one time with 200 mL of the organic solvent.
the titration of 40.0ml of 0.200M HONH2 (Kb=1.1 x 10-3) by 0.100 M HNO2. Calculate the pH of the resulting solution after the following volumes of HNO3 have been added
What main type of intermolecular attraction would you expect for cl2c0?
Environmental magazine about the success of global initiatives in solving environmental concerns, using the Montreal Protocol and ozone depletion as a focus.
A 30.5 g sample of an alloy at 91.8°C is placed into 50.5 g water at 22.1°C in an insulated coffee cup. The heat capacity of the coffee cup (without the water) is 9.2 J/K.
The activation energy for a given reaction is 87 kJ/mol. What is the ratio of the rate constants for this reaction when the temperature is decreased from 37 °C to 15 °C
If this gas is brought to a final temperature of 150 degrees Celsius while the volume is held constant, what is the final pressure?
Compare and contrast conventional current regulations and oversights that exist in the United States with that of nonconventional medicine.
Is each of the following salts acidic, basic or neutral in aqueous solution. Use appropriate equations to explain why for each please. a) NH4Cl b) NaClO4 c) NaNO2
Calculate the molar gibbs energy of fusion (melting) for water at -3degree and 1bar, given that Cp(s)=38J/kmol Cp(l)=75.3j/kmol
How can you distinguish chemically between starch and three other carbohydrates (sucrose, glucose, & lactose)? What would you expect to observe when adding one drop of iodine-potassium iodine reagent to each of the four carbohydrates?
The specific rate constant at 293 K is found to be 2.35 x 10^-4 s^-1 and at 303 K the specific rate constant is found to be 9.15 x 10^-4 s^-1. Calculate the frequency factor for the reaction at 303 K.
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