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The rate of the reaction of methyl ethyl acetate with hydroxide to form acetate ion and ethanol as shown in the following reaction, CH3COOC2H5(aq) + OH-(aq) => CH3COO-(aq) + C2H5OH(aq) was measured at several temperatures and the following data were collected:
Temp. (Degrees C) Rate Constant k (M-1s-1)
15 0.0521
25 0.101
35 0.184
45 0.332
How much Fe++ could be present in water containing 0.4 x 1e-02 M HCO3- (bicarbonate) without causing the precipitation of FeCO3 (Ksp=10**(-10.7))
identify the absorptions associated witht he carbonyl group and with the aromatic rings
Describe the preparation of 1.5 liters of a 0.1 M acetate buffer, pH 5.0, starting from solid sodium acetate trihydrate
A 0.300-M solution of X (Mm = 171 g/mol) has a density of 1.096 g/ml. What is the molality of X in the solution?
Identify the mass spectral (MS) peaks you would expect for 4-Heptanone (M+ and m/z for all fragments). Just FYI, the professor said
What is the nickel ion concentration in a solution prepared by mixing 389 mL of 0.428 M nickel nitrate with 467 mL of 0.323 M sodium hydroxide
One mole of sucrose weighs 342.3 grams. 1mol=6.02*10^23 molecules. Dietary fats (typically 18-20 carbons) contain about 9 dietary calories per gram. Assume all food consumed goes to making ATP
If we exchange the labels on particles that are part of a wavefunction (for example, if we exchange the labels on particles 1 and 2 and call them particles 2 and 1 instead), what might happen to our wavefunction
Assume you dissolve 2.56g of malic acid, C4H605 in half a liter of water (500g). Calculate the molarity, molality, mole fraction, and weight percentage of acid in the solution.
using a solution containing 55.0 g of glycerol c3h5oh3 and 250 g of water? what will be the freezing point and boiling
At 8:00 a.m., a patient receives a 58-mg dose of I -131 to obtain an image of her thyroid. If the nuclide has a half-life of 8 days, what mass of the nuclide remains in the patient at 5:00 p.m.
There is substance that needs to be heated. the substance is gas. If were given T and P of the inlet and outlet, and given two equaitons one a z equation, for example:
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