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Draw the structures of the following amines and classify each as 1 degree, 2 degree, 3 degree, or 4 degree amine. Include Hydrogen Atoms.
1) 2-methyl-2propanamine
2) ethylmethylamine (N-methylethanamine)
What is the pH of a 1L buffer containing 1.5M Acetic Acid and 1.0M Sodium Acetate? What is the pH of the buffer when 0.5 moles of NaOH is added to solution? Assume no change in volume.
Another Reaction, A -> Products, is a first order reaction. An experiment was performed at 25C which determined the rate constant is 0.015min^-1. THe activation energy of this reaction is +34.8kJ/mol. Calculate the temperature, in C, of the reacti..
How many grams of sucrose, C12H22O11, must be dissolved in 750. mL of water to prepare a 0.250 molal solution?
Calculate the amount of heat (calories) absorbed when 50.0g of water at 20deg. Celsius spreads over your skin and warms to body temperature, 37deg. celsius.
Derive the rate law, and show that this reaction may follow the first-order equation at high pressures and the second-order equation at low pressures.
What is the de Broglie wavelength in cm, of a 12.7 g hummingbird flying at 1.15 multiplied by 102 mph? (1 mile = 1.61 km.)
Urea (NH2CONH2) an important nitrogen fertilizer is produced industrially by the reaction given that ?G initial = -13.6KJ, calculate ?G at 298K for the following sets of conditions
Calculate the pH of a buffer solution prepared by dissolving 23.4 g benzoic acid (HC7H5O2) and 35.0 g sodium benzoate in 215.0 mL of solution.
What temperature T2, in Celsius, is needed to reach this pressure. Express the temperature numerically in degrees Celsius.
Combustion of 2.80 g of this compound produced 5.59 g of CO2 and 2.29 g of H2O. What is the empirical formula of the unknown compound?
Calculate the pH of a buffer that contains 0.270 M hydrofluoric acid (HF) and 0.180 M cesium fluoride (CsF). The Ka of hydrofluoric acid is 6.80 x 10^-4.
Which of the following enzymes is used in both glycolysis and gluconeogenesis? A. hexokinase B. pyruvate carboxylase C. malate dehydrogenase D. triose phosphate isomerase E. isocitrate dehydrogenase
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